Innovations 2018

ACB
- Two Steps Ahead

World Class Air

Terasaki’s TemPower2
A.C.B is the result of
an intensive market
r e s e a rc h p ro g r a mwhich took into account the requirements of switchboard
builders, consultantsand end users.
TemPower2 Air Circuit
Breaker is one of thesmallest in the market
with a 1 second rating(Icw).
ZBased Standards

Innovations
fThe product range of the world’s smallest
ACBs, TemPower2 broadens with new
5000A and 6300A models.
fA TemPower2 model with a frame size of
4000A is downsized.

JIS C 8201-2-1 Ann.1 Ann.2 ................
IEC60947-2 ...........................................
EN60947-2 ............................................
AS 3947-2 .............................................
NEMA PUB NO.SG3 .............................
ANSI C37.13 ........................................

ZCertiﬁcation andAuthorization

ASTA, UK ..............................................
NK, Japan .............................................
LR, UK ..................................................
ABS, USA .............................................
GL, Germany ........................................
BV, France.............................................

Circuit Breakers...................Japanese Industrial Standard...................International Electrotechnical Commission...................European Standard...................Australian Standard...................National Electrical Manufacturers Association...................American National Standard InstituteContents
1. Features ....................................................2
2. Appearance and Internal Construction ...13
3. Ratings....................................................14
4. Speciﬁcations..........................................16
CTypes of Mounting ...............................17
AAccessories for Draw-out Type ............18,Spring Charged Operation ..................20?Accessories for Spring
Charged Operation..............................21+Trip Devices .........................................22
7Over-current Releases ........................24
6Other Accessories ...............................36
Operation Environments......................43
5. Outline Dimensions.................................44
6. Connection..............................................58
CConductors connection area ...............58
ABusbars connection.............................63,Recommendationfor Busbars connection........................63
7. Circuit Diagram .......................................64
8. Technical and Application Data ...............70
9. Order Forms ...........................................76...................ASTA Certiﬁcation Services...................Nippon Kaiji Kyokai...................Lloyd's Register of Shipping...................American Bureau of Shipping...................Germanischer Lloyd...................Bureau Veritas

11 Features
The ultimate in compactness and operational capability
Icw,1s = Ics for all TemPower2 ACBs.
TemPower2

TemPower2 is the world’s first“Double Break” ACB, having two

Conventional
ACB

Saved space

breaking contacts per phase.
The unique pole str ucturemeans that the shor t timewithstand rating (I cw, 1sec)
is equal to the service shortcircuit breaking capacity (Ics)
for all models. Full selectivity is
guaranteed up to the full systemfault level. TemPower2 ACBs
have the world’s smallest depth
resulting in space saving inswitchboards.
More than twenty design patents have been registered for
the TemPower2 ACB.

345
458

Terasaki’s core business belief is commitment to our customers and the progressive innovation of the
TemPower2 AR ACB. With this in mind we are introducing our new AR440SB (Compact) 4000A ACB andnew AR6 - 5000A and 6300A ACB. With the introduction of these new ACBs there will be a solution from
800A to 6300A all with the same front cover dimension and standardized accessories throughout therange.
Maximum power from minimum volume was central to the design speciﬁcation. With a depth of 290mm forthe ﬁxed type and 345mm for draw-out, it is one of the smallest ACBs in the world.
ACBs with front connections are available off-the-shelf.
Front connections are especially suitable for smaller-depth switchboards.

H:460

D:345
W:354

Standard series 800–2000A
High fault series 1250–2000A

2

D:375

D:345

D:380

W:460

W:631

W:799

2500–4000A
1600– 3200A

4000A
4000A

5000-6300A
6300A

Increased accessibility from the front
It enhances ease of installation, operation, and maintenance.
Connection to the main circuit(for front connections)

Connection to the control circuit

Accessory fitting(Removing the front cover enables
replacement of internal parts.)

Manual operation
The double insulated design
ensures that most accessories can be safely and easily,
installed by the user. Control,
auxiliary and position switch
ter minals are mounted at
the front on the ACB bodyfor easy access. Horizontal,
vertical and front terminal
connections, can also bechanged by the user for any
last minute alterations. Dueto the increased level of harmonics within the distribution
network, the neutral phase isfully rated as standard.

Breaker fixing bolts(optional)

Draw-out operation

No extra arc space required,vertical stacking permitted

Replacement of
the main contactsf
The ﬁxed and moving main contacts can easily

No extra arc space required

be replaced in the field, thus prolonging thelife on the circuit breaker. Changing each pole

The TemPower2 ACB dissipates all arc energy within
its unique “DoubleBreak”

takes around 15 minutes.

arc chamber. The internalenergy dissipation within
the ACB allows the clearance distance of the ACB
to nearby ear thed metal
to be zero. This will assistin minimizing switchboard
height and costs.
f: Not possible on AR63

1 Features
A high performance and reliability
Very fast interruption by“DoubleBreak” systemf
The unique “DoubleBreak” main contact system ensures extremely fast interruption of short circuit currents and substantially reduces main contact wear.
The internally symmetrical “DoubleBreak” structuremeans the moving contact is isolated from the supply
voltage even when the ACB is reverse connected. The
neutral pole of all TemPower2 ACBs are of early make/late break design. This eliminates the risk of abnormalline to neutral voltages, which may damage sensitiveelectronic equipment.
“DoubleBreak” contacts increase service life - Electricaland mechanical endurance ratings are the best available, and exceed the requirements of IEC 60947-2.
f: Except AR6

No clamp screws used forthe main circuit
contact unitsf
There are no clamp screws or ﬂexible leads inthe main circuit contact units.
This substantially enhances the durability ofthe main circuit contact units and improves thereliability in ON-OFF operation.

Isolating main contact

Fixed main contact

Moving main contact

Main circuit contact units

f: Except AR6

Easy Maintenance
The unique design of TemPower2 incorporates its isolating clusters and main contacts on the ACB body.
Allowing for quick easy maintenance of the main electrical contact points and for maintenance to be completed without having to isolate the switchboard.

4

Enhanced selectivity

L
S
I

Long time delay
Short time delay
Instantaneous

At Terasaki our protection relays
have ‘LSI’ characteristics asstandard.
This provides an adjustable timedelay on overload (L) and also thel2t ramp characteristic (S).
As shown, these are essential toprovide selectivity when gradingwith other protective devices suchas downstream fuses and upstream relays.
The standard ‘LSI’ curve provides
more than five million combinations of unique time current characteristics. Zone selective interlocking is available to provide zero time delay selectivity.
As the rated breaking capacity is identical to the rated short-time withstand current full selectivity can be achieved.

Performance

Type and rated current AR208S 800A AR212H 1250A AR325S 2500A AR316H
AR212S 1250A AR216H 1600A AR332S 3200A AR320H
AR216S 1600A AR220H 2000A
AR325H
AR220S 2000A
AR332H

Rated
With INST trip function
breaking
current
With ST delay trip function(at AC440V) (Without INST trip functions)

65kA

80kA

85kA

1600A AR440SB 4000A AR650S 5000A
2000A AR440S 4000A AR663S 6300A
2500A
3200A

100kA

100kA

120kA

AR663H 5000A
6300A

135kA

Rated short-time withstand current(for 1 sec.)

A substantial improvement in life cycles
The TemPower2 series has achieved very high life cycles compared with our competitors.
More than
30,000 cycles
More than
25,000 cycles
More than
20,000 cycles
More than
15,000 cycles

800A
1600A

2000A

More than
10,000 cycles

2500A
3200A

4000A

5000A
6300A

(Standard Series)
Note: above ﬁgures are the mechanical endurance with maintenance. For details please refer to pages 14 & 15.

5

1 Features
TemPower2 provides positive protection for electric power systems.
The TemPower2 series is equipped with an RMS sensing over-current
release (OCR) having a wide range of protection functions and capabilities.

Standard OCR with adjustment dial

Standard OCR with LCD-‘Ammeter’

Enhanced OCR with LCD- ‘Analyser’Type AGR-11B.

Type AGR-21B,22B.

Type AGR-31B.

Backlit LCD optional

Backlit LCD installed

Overload protection

Reverse power trip function(S-characteristic)

Adjustable from 40–100% of rated current. True r.m.s detecthtion up to the 19 harmonic, a distant vision for the competith

This feature provides additional protection when paralleling
generators. The AGR22B/31B OCR for generator protection

tion who rarely see past the 7 . Neutral protection for allwith the reverse power trip function, negates the need for in-those Triple-N harmonics, such as 3rd, 9th and 15th. Also installation and wiring in an external reverse power relay. Thiscase we forgot to mention, a “thermal memory” ia available

feature is available using an AGR OCR with a generator “S”

on the AGR21B/31B.

type characteristic only.

6For general feeder circuits (L-characteristic)
For general feeder circuits (R-characteristic)
For generator protection (S-characteristic)
FOR FULL DETAILS REFER TO THE FEATURES TABLE PAGE 28-29

Two channel pre-trip alarmfunction (optional)

Advanced L.C.D. display,
Over Current Relay

This function can be used to monitor and switch on additional

The AGR-31B OCR comes standard with the backlit LCD

power backup to feed critical circuits. For example, the func-

display. It can monitor and indicate phase currents, voltages,

tion can be set so that when a pre-trip alarm is activated, an

power, energy, power factor, frequency, and more. For fea-

emergency generator starts to ensure a constant supply. Thistures refer page 27. The backlit LCD is optional for AGR-21B

feature is only available on some AGR22B/31B OCR models

and AGR-22B.

with a generator “S” characteristic.

N-phase protection
function (optional)

Remote Communications
Protocols (optional)
Data communications via Modbus, an open network, are sup-In 3-phase, 4-wire systems that contain harmonic distortion,

ported.

the 3rd harmonic may cause large currents to ﬂow throughEnergy Measurement

the neutral conductor. The N-phase protection function pre-I, V, kW, MWh, kVar, cosø, frequency

vents the neutral conductor from sustaining damage or burn-Intelligent Fault Analysis

out due to these large currents. Available in all OCRs except

Status, fault type, fault size, tripping time, fault history

for generator “S” characteristic types.

Maintenance Information
Trip circuit supervision, contact temperature monitoring.
For details please refer to page 12.

Ground fault trip
function
This function eliminates external relays to provide a ground
fault protection to TN-C or TN-S power distribution systems
on the load side. Ground fault protection on the line side isalso available as an option.

For other protocols please contact terasaki.

Contact temperaturemonitoring function (optional)
This function monitors the temperature of the ACBs maincontacts. An alarm indicates when the temperature exceeds

Earth leakage trip
function

155°C. Continuous monitoring of the contact temperatureprovides valuable input for preventative and predictive maintenance programs.

Used in conjunction with Zero phase Current Transformer(ZCT), this function provides protection against leakage toearth of very small levels of current. Trip or alarm indication,and contact output is available to enhance the level of system
protection.

Phase rotation
protection function
This function detects the negative-phase current occurring
due to reverse phase or phase loss and prevents burnout ofa motor or damage to equipment.

7

1 Features
Optimum protective
coordination
Why use a separate panel mounted protection relay when
you can have all the beneﬁts of I.D.M.T. protection integral
to the ACB?
TemPower2 is available with a choice of ﬂexible protection curves
to assist in selectivity applications.
S.I. Standard Inverse
V.I. Very Inverse
E.I. Extremely Inverse

I0.02t = S.I.

All these curves are user deﬁnable and comply with IEC 60255-3.
Standard transformer and generator protection characteristics
are also available.

I3t

AGR-L Industrial & transformer protection
AGR-S Generator protection
AGR-R Characteristics to IEC 60255-3

Zone Interlocking
In conventional discrimination systems, short time delays
are used to allow a short-circuit current to be tripped by
the circuit breaker nearest the fault. The disadvantage ofthis type of system is during a fault; considerable thermal
and mechanical stresses are placed on the entire system.
With the TemPower2 Z Interlock system the breaker
nearest the fault irrespective of the short time delay
setting will trip ﬁrst.
Example of operation:
If a fault occurs in Zone 2, only AR Z Interlock‘A’ will sense any fault current fault, a no fault signal will besent by AR Z Interlock ‘B’ & ‘C’, consequently AR Z Interlock ‘A’ trips the ACB immediately, overriding its short timedelay.

8

It = V.I.
I2t = E.I.

I4t

Inverse Deﬁnite Minimum Time (I.D.M.T.)

Double opening andclosing coils
Double Opening and Closing Coils provides extended control
system redundancy to an ACB. Double coils allow designers
to implement back-up tripping and closing systems. It provides
the end user with ultimate reliability on critical UPS circuits
connected to critical loads.

Earthing Device
The unique design of TemPower2 ACBs allows for the earthingof either the busbar (line) or the circuit (load) of a low voltage
system. Thus allowing system ﬂexibility.
Some other manufactures only offer one option either,busbar or circuit earthing.
For full details refer to page 42

Protection relay
performance

External
Relay

Ensure that the ACB you specify suffers no loss of
performance when tripped by an external protection relay!
The TemPower2 ACB suffers no loss in performance when
tripped through an external protection relay.

100kA

Some competitor’s ACBs have reduced breaking
performance when an external protection relay is used.
“TemPower2 ACB”
With internal or external
protection relay.

65kA 85kA 100kA
9

1 Features
TemCurve
TemCurve Selectivity Analysis Softwareis shaped around the extensive
range of Terasaki circuit breakers,
but also includes a large number ofcomplimentary protective devices
such as High and Low Voltage Fuses
to BS88/IEC60269, IDMT Relays
to BS142/IEC60255. As a result,
TemCurve can assist in protection
device grading from the transformer
primary to the point of ﬁnal distribution,
giving the facility to produce overcurrent
and earth fault studies.

Maximum rated current of 6300A
The AR6 air circuit breaker interrupts thecurrent at two points on the line side while
dissipating heat from contacts or terminals
by efﬁcient air convection through a pressure
valve.

Pressure valve

Efficient air convection through a pressure valve
Patent granted10Meeting customer
requirements
TemPower2 provides solutions to satisfy customer needs.

SWITCHBOARD BUILDERs Compact size for high packing density
s No extra arc space required for clearances Low temperature dissipations Built in trip supervision circuits Fully rated neutral as standard
s Terminal connections and accessories are ﬁeld changeables Uniform panel cut out size

CONSULTANT
s Time Current Characteristics to IEC 60255-3
s Standard, Very and Extremely Inverse curves availables Restricted and Unrestricted ground fault protection in one
relay
s LSI characteristic curves as standards True r.m.s. protections Integral reverse power protection and load shedding relay

END USERs Self checking protection relay and tripping coils Built in relay tester available on AGR21B/22B/31B can checkon line without tripping the ACB
s Contact temperature monitorings Fault diagnosis - type of fault, magnitude, tripping time & trip
historys High making capacity for operator safetys Communication via B.M.S. or S.C.A.D.A. systems Main contacts can be changed within around 15 minutes perpole
111 Features
Communication facility
added to TemPower2
TemPower2 is equipped with an optional communication interface unit that allows data exchange with a host
PC via a Modbus open network. Data communicatedincludes measurements, fault log, maintenance information, ON/OFF status, settings, and control (ON/OFF/RESET) signals.

Data measurement
Phase current

Phase current I1, I2, I3, IN, Ig and max current
Imax are measured and transmitted.

Line-to-line voltage V12, V23 and V31 are measured.
Active power

Three-phase power and the reverse power aremeasured.

Demand active power Active power demand (over time) and historicalmax. power are recorded.
Accumulated power Accumulated power is measured.

Fault log
Cause

Whichever trip functions, LTD, STD, INST,
or GF is activated is then transmitted.

Fault current

The fault current at which the breaker tripped
open is transmitted.

Trip pickup time

The trip pickup time is transmitted.

Power factor

Circuit power factor is measured.

Frequency

Frequency is measured.

Note) Above is for type AGR-31 OCR.
Type AGR-21 and AGR-22 measure only phase current.

Network interface I/O speciﬁcations
Item

ModbusTransmission standard RS-485
Transmission method

Maintenance information
Tripping circuit
monitoring

The tripping coil is always monitored for
disconnection. If the breaker is not open withinapprox. 300 ms of a trip signal delivered fromthe OCR, an alarm signal is generated.

On-screen PC monitor

Two-wire half-duplex

Topology

Multi-drop bus

Transmission rate

19.2 kbps max

Transmission distance 1.2 km max (at 19.2 kbps)
Data format

Modbus-RTU or ASCIIMax number of nodes

1 – 31

Communication network

Power Monitoring

Host PC
Next page

Host networkTRø kVA V
Fault cause OCR status

Long time-delay
Short time-delay
Instantaneous
Ground fault

Fault current

A

ACB Tripping timesec.

ACB No.
I
V Power factor
PowerElectric energy

Print

ON
A

V

 %
 kW
 kWhCommercial gateway or PLC

RS485
ON

ON

ON

OFF

ON


A
  KWh A
 KWhA
 KWh

A
 KWh



Power supply No. 1

Power supply No. 2

Power supply No. 3

Pump

A
KWh

Conveyer

ModbusUp to 31 units can beconnected per system

122 Appearance andInternal Construction
Appearance

fRed ON button and GREEN OFF button are available on request.

Internal Construction

Control circuit terminals

Main circuit terminal

Charging motor
Isolating main contact
Closing coil
Fixed main contact

Moving main contact
Closing spring
Measuring CT
Arc chamber
Closing mechanism
Moulded insulating cover

Power CT
Draw-out arm

13

3 Ratings
Series
AMPERE RATING(A)TYPE
RATED CURRENT (max) [In](A):@JIS, IEC, EN, AS
NEMA, ANSIMarineNEUTRAL POLE AMPERES FRAME (A)NUMBER OF POLES. ;RATED PRIMARY CURRENT OF OVER–CURRENT
RELEASE [ICT](A)s FOR GENERAL FEEDER CIRCUIT USE

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





































































: 6ALUES IN OPEN AIR AT # # FOR MARINE APPLICATIONS @ 6ALUES OF !23 !23 !23 FOR DRAW OUT TYPE WITH HORIZONTALTERMINALS 6ALUES OF THE OTHER !#"S FOR DRAW OUT TYPE WITH VERTICAL TERMINALS
. &OR  POLE !#"S USE OUTSIDE POLES OF  POLE !#"; POLES !#"S WITHOUT .EUTRAL PHASES PROTECTION CAN NOT APPLY )4 EARTHINGSYSTEM= #ANNOT APPLY )4 EARTHING SYSTEM IE INSULATED FROM EARTH
B &OR 6 !#> !2' /#2S CAN NOT BE USED FOR $# 0LEASE CONTACT 4%2!3!+) FOR $#APPLICATION
2 ! SPECIAL VERSION OF THE BREAKER IS AVAILABLE TO USE ABOVE 6 $#
!PPLICABLE TO ONLY DRAW OUT !#"S #ONTACT 4ERASAKI FOR DETAILS
8 !PPLICABLE TO ONLY  POLE !#"S

14(IGH FAULT
AR212H
































1000EInE2000








 &OR VERTICAL TERMINALS OR HORIZONTAL TERMINALS
 4HESE WEIGHTS ARE BASED ON NORMAL SPECIlCATIONS WITH THE /#2 AND
STANDARD ACCESSORIES #OMPLY WITH *)3 #    !NN !NN 6ALUES FOR !#"S WITH ).34 K! FOR !#"S WITH -#2 #AN APPLY )4 SYSTEM WITH SPECIAL SPECIlCATION #ONTACT 4%2!3!+) FOR THE
DETAIL !VAILABLE AS STANDARD
7HEN ORDERING !#" WITH REVERSE POWER TRIP FUNCTION /#2S !'2 " OR !'2
" THAT THIS FUNCTION NEEDS INFORMATION OF NORMAL OR REVERSE CONNECTION
f #ONTACT 4%2!3!+) FOR THE RATINGS
Note: 7HEN THE ).34 TRIP FUNCTION IS SET TO ./. THE -#2 FUNCTION SHOULD BE
ENABLED OTHERWISE THE RATED BREAKING CAPACITY IS REDUCED TO THE RATEDLATCHING CURRENTHigh fault
2000
AR320H
2000
2000
2000
2000
3
4
2000

High fault
2000
AR420H
2000
2000
2000
2000
3
800
2000

Standard
2500
AR325S
2500
2500
2500
2500
3
4
2500

High fault
2500
AR325H
2500
2500
2500
2500
3
4
2500

Standard
3200
AR332S
3200
3200
3200
3200
3
4
3200

High fault
3200
AR332H
3200
3200
3200
3200
3
4
3200

Standard
4000
AR440SB
4000
3310
4000
4000
3
4
4000

Standard
4000
AR440S
4000
3700
4000
4000
3
4
4000

High fault
4000
AR440H
4000
3700
4000
4000
3
4000

Standard
5000
AR650S
5000
4700
5000
5000
3
4
5000

Standard
6300
AR663S
6300
5680
6300
6300
3
4
6300

High fault
6300
AR663H
6300
5680
6300
6300
3
4
5000
6300

1000EInE2000 400EInE800 1250EInE2500 1250EInE2500 1600EInE3200 1600EInE3200 2000EInE4000 2000EInE4000 2000EInE4000 2500EInE5000 3150EInE6300 2500EInE5000
1000EInE2000
3150EInE6300

1000
690

1000
690

1000
690

1000
690

1000
690

1000
690

1000
690

1000
690

1000
690

1000
690

1000
690

1000
690

85/187100/220
50/11580/184100/230
40/40
85/201
100/233
85/201
100/233

12
100
75
85
0.03

75/165 =120/264 
65/149.5
75/172.5
120/27640/40
75/179120/287
75/179120/287

12
100
85
100
0.03

65/143 =85/187 B
50/11565/149.5
85/195.5
40/40
65/15385/201 B
65/15385/201 B

12
85
65
85
0.03

85/187100/220
50/11580/184100/230
40/40
85/201
100/233
85/201
100/233

12
100
75
85
0.03

65/143 =85/187 B
50/11565/149.5
85/195.5
40/40
65/15385/201 B
65/15385/201 B

12
85
65
85
0.03

85/187100/220
50/11580/184100/230
40/40
85/201
100/233
85/201
100/233

12
100
75
85
0.03

85/187100/220
50/11580/184100/230
40/40——
85/198100/233

12
100
75
85
0.03

75/165 =100/22065/149.5
75/172.5
100/230
40/40
75/179100/245
75/179100/245

12
100
85
100
0.03

75/165 =120/264 
65/149.5
75/172.5
120/27640/40
75/179120/287
75/179120/287

12
100
85
100
0.03

85/187 
120/264
65/149.5
80/184100/230
40/40
85/201
120/287
85/201
120/287

12
120
85
120
0.05

85/187 =120/264
65/149.5
80/184100/230
40/40
85/201
120/287
85/201
120/287

12
120
85
120
0.05

85/187 =135/297
65/149.5
80/184100/230
40/40
85/201
138/32285/201
138/322

12
135
85
120
0.05

10
0.08

10
0.08

10
0.08

10
0.08

10
0.08

10
0.08

10
0.08

10
0.08

10
0.08

10
0.1

10
0.1

10
0.1

25000
12000
10000
7000
56
68
49
57
105 125
80
92

15000
8000
3000
2500
71
76
147
—

20000
10000
7000
5000
56
68
49
57
105 125
80
92

20000
10000
7000
5000
56
68
49
57
105 125
80
92

20000
10000
7000
5000
56
68
49
57
105 125
80
92

20000
10000
7000
5000
56
68
49
57
105 125
80
92

15000
8000
3000
2500
58
71
68
87
126 158
—
—

15000
8000
3000
2500
71
92
68
84
139 176
—
—

15000
8000
3000
2500
71
76
147
—

10000
5000
1000
500
125 160
75
100
200 260
—
—

10000
5000
1000
500
140 18080
105
220 285
—
—

10000
5000
1000
500
140 18080
105
220 285
—
—

466
460
290
75
460
460
345
40

—
—
—
—
631
460
375
53

466
460
290
75
460
460
345
40

466
460
290
75
460
460
345
40

466
460
290
75
460
460
345
40

466
460
290
75
460
460
345
40

—
—
—
—
460
460
345
140

—
—
—
—
631
460
375
53

—
—
—
—
631
460
375
53

—
—
—
—
799
460
380
60

586

580

586

580

586

580

586

580

586

580

—

580

—

801

—

—
—
—
—
1034 799
460
380
60

—

—
—
—
—
1034 799
460
380
60

—

1034

15

4 Speciﬁcations
TemPower2 series ACBs have an extensive range of accessories available,
enabling the ACBs to be “custom built” to suit every application.
ACB typeStandard Series

AR208S

AR212S

AR216S

AR220S

AR325S

AR332S

AR440SB

AR440S

AR650S

AR663SHigh fault Series

AR212H

AR216H

AR220H

AR316H

AR320H

AR325H

AR332H

AR420H

AR440H

AR663H

3-poles

4-poles

Main circuit safety shutters (See P. 18)
Control circuit safety shutter (See P. 18)
Position switches (See P. 19)

Type of mounting

Fixed typeDraw-out type

Test jumper (See P. 18)
Mal-insertion prevention device (See P.18)
Breaker fixing bolts (See P. 18)
Door interlock (See P. 19)(Note 5)

Horizontal terminals

Vertical terminals

Front connections

Lifting plate (See P.41)
Inter-pole barrier (Note 1) (See P. 42)

Control circuit screw terminals

Automatic closing
spring release (See P. 21)
Earthing device (See P. 42)

Spring charged operation

Manual charging

Motor charging

Over-current release (OCR)

For general feeder circuit (L, R)

For generator protection (S)O.C.R. Type AGR-21,22B,31B

Standard O.C.R. Type AGR-11B

LT , ST , INST or MCR

LT , ST , INST

Step - down transformer (See P. 21)

Pre-trip alarm, 1-channel (See P. 25)

Ground fault trip (See P. 25)

Pre-trip alarm, 2-channel (See P. 25)

Spring charge indicator (See P. 21)

Ground fault trip (See P. 25)
Earth leakage trip f (See P. 25)
Reverse power trip (See P. 25)

Operation indication(via individual contacts)
Field test

Operation indication(via single contact)“Ready to close” contact (See P. 39)
Trip indicator (See P.38 )N-phase protection (Note2) (See P.25)

Spring charge indicator (See P. 21)

Mechanical reset facility (See P.26)“Ready to close” contact (See P. 39)

CT for neutral line (Note 3) (See P. 37)

Trip indicator (See P. 38)

OCR checker (See P. 36)

N-phase protection (Note2) (See P. 25)

OCR test interface unit (See P. 36)

Contact temperature monitoring function (See P.25)
Phase rotation protection (See P.25)

Auxiliary switches with 4c contacts arrangement (standard)

Auxiliary switch assembly(Note 4) (See P. 38)

Zone interlock (See P.26)

Door flange (See P. 41)

Mechanical interlock f(See P. 40)

Communication function f (See P. 12)

Key lock (See P. 39)

ON-OFF cycle counter (See P. 38)

CT for neutral line (Note 3) (See P. 37)

Key interlock (See P. 39)

Control circuit terminal cover (See P. 41)

OCR checker (See P. 36)

Continuous-rated shunt trip device (See P. 22)

IP cover (See P. 42)

OCR test interface unit (See P. 36)

Capacitor trip device (See P. 22)

Lifter (See P. 18)

Undervoltage alarm (See P. 26)

Undervoltage trip (See P. 23)
OFF Padlock (OFA) (See P. 42)
Tropicalization (See P. 43)

Normal environment

Special environment

Cold climate treatment (See P. 43)
Anti-corrosion treatment (See P. 43)

TemPower2 suited to your application
Note 1: Not applicable to ACBs equipped with front connections.
Note 2: Applicable to 4-pole ACBs.
Note 3: Required for ground fault protection for 3-poles ACB on 3-phase,
4-wire systems.

16

Note 4: Microload switch assembly with 3c arrangement available.
Note 5: Vertical terminal is standard and horizontal terminal is optional for Highfault series. Front connection is not available for High fault series.
f: Contact Terasaki for details.

1Types of Mounting

Draw-out type

Fixed typeThis type of ACB consists of a breaker body and a draw-out

This type of ACB has no draw-out cradle and is designed tocradle. The breaker body can be moved within or removed

be directly mounted in the switchboard.

from the draw-out cradle that is ﬁxed in the switchboard.
There are four breaker body positions: CONNECTED, TEST,ISOLATED, and WITHDRAWN. The switchboard panel door
can be kept closed in the CONNECTED, TEST, and ISOLATED positions (“shut-in three positions”).

C CONNECTED position

Terminal arrangements
Main circuit terminals
Three(3) types of main circuit terminal arrangements areavailable: vertical terminals, horizontal terminals, and front
connections. Different types of terminal arrangements canbe speciﬁed for the line and load sides.
Note: The max. rated current [In] may be reduced dependingon the main circuit terminal arrangement. For more information see page 70.

Position indicator
ISOLATED

TEST

Type
CONN

RELEASE
BUTTON

Both the main and control circuits are connected fornormal service.

A TEST position

Vertical terminals Horizontal terminals Front connections

AR208S, AR212S, AR216S
AR220S, AR325S, AR332S
AR212H, AR216H, AR220H, AR316H,
AR320H, AR325H, AR332H
AR440SB, AR440S, AR650S, AR663S,
AR420H, AR440H, AR663H

[
]

]
[

[
[

]

\

—

]

—

—

]: Standard. This configuration used unless otherwise specified.
[: Optional standard. Specify when ordering.
\: “yes” or “available”. —: “no” or “not available”.

Position indicator
ISOLATED

TEST

CONN

RELEASE
BUTTONThe main circuit is isolated and the control circuits areconnected. This position permits operation tests without theneed for opening the switchboard panel door.

cHorizontal terminals, ISOLATED position
Position indicator
ISOLATED

TEST

CONN

RELEASE
BUTTONcFront connections

cVertical terminals

Both the main and control circuits are isolated.
The switchboard panel door does not need to be opened.

? WITHDRAWN position

Control circuit terminals
Control circuit terminals are front located to allow easy wiring/access.
s 4HE TER MINAL BLOCKS FOR
auxiliary switches, position
switches, and control circuits) are positioned on the
top of the ACB front panel
and can be accessed from

The breaker body is fully withdrawn from the draw-out
cradle.

the front for wiring.

cScrew terminalss - SCREW TERMINALS ARE STANDARD

17

4 Speciﬁcations
2

Accessories for Draw-out Type

f: Standard equipment

Main circuit safety shutters

Control circuit safety shutter

The main circuit safety shutters auto-

The control circuit safety shutter covers

The breaker fixing bolts hold thematically conceal the main circuit con-the control circuit contacts, ensuring

breaker body securely to the draw-out

tacts on the draw-out cradle when thesafety.

cradle in position. Use them if the ACB

ACB is drawn out.

Breaker ﬁxing bolts

is subject to strong vibration.

s 4HE TOP AND BOTTOM SHUTTERS OPERATE
independently and can be separately
padlocked in the closed position.
s 5P TO THREE PADLOCKS WITH  HASP
can be installed on each side using
padlocking unit. (Padlock not supplied)s )N THE CLOSED POSITION THE SHUTTERS ARE
locked to the extent that they cannot
be easily unlocked by hand. They can

Position padlock lever f

Test jumper
The test jumper is a plug-in type,

Using the position padlock lever pre-for the purpose of inspection or main-

and allows ON-OFF tests on all thevents the breaker body from inadver-

tenance.

TemPower2 series ACBs with the breakertently being drawn out. The position

body drawn out from the draw-out cradle.

padlock lever in the pulled-out position

The standard jumper cable is 5 m long.

locks the breaker body in the CON-be unlocked and held open if required

NECTED, TEST, or ISOLATED position. Up to three padlocks (with ø6hasp) can be installed.

Mal-insertion prevention device

LifterA special lifter is available to allow

Interchangeability exists within theeasy and safe transportation or instal-

TemPower2 series of ACBs. Becauseof this feature, there is a possibility

lation of the ACB. A drop prevention
ACB

mechanism is standard.

for an ACB of a different speciﬁcation

Loader2300

being placed into the draw-out cradle.
Using the mal-insertion prevention de-

GripThis device is capable of distinguishing

ACB mounting position
f190Max.

ACB front panel

vice eliminates such a possibility.
nine different breaker bodies.

Winch handle

Please specify the Code 1A, 1B, 1C,
2A, 2B, 2C, 3A, 3B, 3C for each ACB.

95

D

Switchboard panel doorf: If 190 mm is exceeded, contact Terasaki.

18

Type of
Lifter
AWR-1B
AWR-2BW

Weight

D

W

(kg)

(mm)

(mm)

92
110

887
912

710
1150

Applicable
ACBs
AR2, AR3, AR440SB
AR2, AR3, AR4, AR6

Position switches
The position switch operates to give an indication of the breaker position: CONNECTED, TEST, ISOLATED, and INSERT.
There are two contact arrangements: 2c and 4c.
Connections to the switches are made via screw type terminals.
The following table lists the available types of the switches.

Type

Number ofcontacts

ALR-0110P
ALR-0101P
ALR-0011P
ALR-0200P
ALR-0020P
ALR-0002P
ALR-1111P
ALR-1210P
ALR-1201P
ALR-0211P
ALR-1120P
ALR-1021P
ALR-0121P
ALR-1102P
ALR-1012P
ALR-0112P
ALR-0220P
ALR-0202P
ALR-0022P
ALR-1030P
ALR-0130P
ALR-0031P
ALR-1003P
ALR-0103P
ALR-0013P
ALR-0040P
ALR-0004P

Contact arrangement
INSERT ISOLATED

2c

4c

0
0
0
0
0
0
1
1
1
0
1
1
0
1
1
0
0
0
0
1
0
0
1
0
0
0
0

1
1
0
2
0
0
1
2
2
2
1
0
1
1
0
1
2
2
0
0
1
0
0
1
0
0
0

TEST

CONN

1
0
1
0
2
0
1
1
0
1
2
2
2
0
1
1
2
0
2
3
3
3
0
0
1
4
0

0
1
1
0
0
2
1
0
1
1
0
1
1
2
2
2
0
2
2
0
0
1
3
3
3
0
4

Position switch operation sequence
ISOLATEDTESTCONNECTED
a- contact ON

CONNECTED position switch

a- contact ON

TEST position switch
ISOLATED position switch a- contact ON

a- contact ON

INSERT position switch

INSERT position means the breaker body is in any position
between ISOLATED and CONNECTED.

Position switch ratings
Voltage

Resistive load (A)Inductive load (A)(COS ø = 0.6, L/R = 0.07)

AC 100-250V
DC 250V
DC 125V
DC 30V
DC 8V

11
0.3
0.6
6
10

6
0.3
0.6
5
6

Door interlock
The door interlock prevents the switchboard door from being opened unless the breaker body is in the ISOLATED position.
When the draw-out handle is removed while the ACB is in the ISOLATED position, the interlock is released and the switchboard
door can be opened.
The breaker body cannot be inserted unless the switchboard door is closed.
Contact Terasaki for details.
Note 1: When the door interlock is installed, the standard draw-out handle cannot be stored in the switchboard. A storage drawout handle is available as an option. The storage draw-out handle can be housed ﬂush with the front surface of the ACB.
(The storage handle will incur extra cost).
2: Door interlock cannot be ﬁtted with Door ﬂange or IP cover.

19

4 Speciﬁcations
3

Spring Charged Operation

Manual charging type
For this type of ACB, the closing springs are charged by means of the spring charging handle. ON/OFF operation of the ACB isperformed by means of ON/OFF buttons on the ACB.
Charging the closing springs
Pumping the spring charging handle by hand charges the closing springs.
Closing the ACB
Pressing the ON button on the ACB closes the ACB.
Opening the ACB
Pressing the OFF button on the ACB opens the ACB.
The ACB cannot be closed as long as the OFF button is pressed.

Motor charging type
For this type of ACB, the closing springs are charged by means of a motor. ON/OFF operation of the ACB can be performed remotely.
A manual charging mechanism is also ﬁtted to facilitate inspection or maintenance work.
Charging the closing springs
A motor is used to charge the closing springs.
When the closing springs are released to close the ACB, they are automatically charged again by the motor for the next ON operation.
Closing the ACB
Turning on “remote” ON switch enables the ACB to be remotely closed.
s !NTI PUMPING MECHANISM
Even if the ON switch is kept on, ACB closing operation is performed only once.
To close the ACB again, remove the ON signal to reset the anti-pumping mechanism and then reapply the ON signal.
s )F /. AND /&& SIGNALS ARE SIMULTANEOUSLY GIVEN TO THE !#" THE /. SIGNAL IS IGNOREDs /. SIGNAL SHOULD BE GIVEN TO THE !#" ON AND OVER MS AFTER /&& SIGNAL
Opening the ACB
For opening the ACB remotely, specify the shunt trip device (See page 22) or the undervoltage trip (See page 23).
Operation power supply
Rated voltage(V)
AC 100AC 110AC 120AC 200AC 220AC 240DC 24
DC 48
DC 100DC 110DC 125
DC 200DC 220Applicable voltage range (V)CHARGE/ON operation
085–110094–121
102–132
170–220
187–242
204–264
18–26
36–53
075–110082–121
93–138150–220
165–242

OFF operation(Note1)

Operation power supply ratings
Motor inrush
current (peak) (A)
7
7
7
4
4
4
14
10
6
6
6
4
4

Note 1: For the ratings refer to the shunt trip device of page 22.
f Split circuit for motor and closing coil available on request.

20

Motor steady-state
current (A)
1.1
1.1
1.1
0.7
0.7
0.7
4
1.6
0.8
0.8
0.8
0.5
0.5

Closing commandcurrent (peak) (A)
0.29
0.25
0.22
0.15
0.13
0.11
1.04
0.51
0.25
0.22
0.21
0.13
0.12

4

Accessories for Spring Charged Operation

Automatic closing spring release

Spring charge indicator

This device allows the charged closing springs to be auto-

This switch can be used to indicate that the closing springs

matically released when the ACB is drawn out.

have been fully charged.

ANSI or NEMA-compliant ACBs require this option.
N Normal contacts for general service
Voltage (V)ACDC

Switch contact ratings
Resistive load

Inductive load

250

3

3

250

0.1

0.1

125

0.5

0.5

30

3

2

Minimum applicable load is DC24V 10mA.

N Gold contacts for microload
Voltage (V)Switch contact ratings
Resistive load

Inductive load

AC

250

0.1

0.1

DC

30

0.1

0.1

Minimum applicable load is DC24V 1mA.

Step-down transformer (external)
The maximum rated control voltage applicable tothe operation power supply is AC240V. For higher
voltages, a step-down transformer is needed.
The following step-down transformers are available as options.

Rated control
voltage
AC410 –470V
AC350–395V

Transformer
Type
Capacity Voltage ratio
TSE-30M 300VA 450/220V
TSE-30M 300VA 380/220V

21

4 Speciﬁcations
5

Trip Devices

Continuously-rated shunt trip device
The continuous-rated shunt trip device allows the ACB to be opened when an external protection relay against overcurrent orreverse power is activated.
Because of its continuous rating, the device can also be used to provide an electrical interlock to the ACB.
* Continuously rated shunt trip and undervoltage trip can not
be ﬁtted to the same ACB. However, by ﬁtting a special continuously rated shunt trip to the side plate of a ACB chassis
will allow an undervoltage trip to be used in conjunction witha continuously rated shunt trip. A mechanical interlock can
not be ﬁtted with this combination.
* Instantaneously rated shunt trip also available with special
speciﬁcation. This shunt trip can be ﬁtted with undervoltage
trip to the same ACB.
* Instantaneously rated shunt trip device can be used tomonitor the break of the shunt trip circuit.
* Special double opening and closing coils are available.
For more information contact TERASAKI.

Shunt Trip Rating (Continuously rated type)
Type

Rated
voltage(V)

Operational
voltage(V)

Max. excitation
current(A)

AC100
AC70–110AC110
AC77–121
AC120
AC84–132
AC200
AC140–220
AC220
AC154–242
AC240
AC168–264
AVR–1C
DC24
DC16.8–26.4
DC30
DC21–33
DC48
DC33.6–52.8
DC100
DC70–110
DC110
DC77–121
DC125
DC87.5–137.5
DC200
DC140–220
DC220
DC154–242
fFor AR6, the opening time is 60msec.

Opening time
(max.)
(ms)

0.29
0.25
0.22
0.15
0.13
0.11
1.04
0.85
0.51
0.25
0.22
0.21
0.13
0.12

50f

Capacitor trip device
In conjunction with the continuously-rated shunt trip device,
the capacitor trip device can be used to trip the ACB within alimited period of 30 sec if a large voltage drop occurs due toan ac power failure or short-circuit.
When the continuously-rated shunt trip is used with a capacitor trip device, “a” contact of auxiliary switch of ACB should
be inserted in series, otherwise internal damage may occur.
PB (OPEN) or
OCRy etc.

s #ONTROL #IRCUIT

Note: It is not possible to test the capacitor trip device when
the test jumper is used.
Type
Rated Voltage
Operational Voltage
Rated frequecy
Rated Voltage of Shunt Trip Used
Power Consumption

AQR-1
AC100-120V
Rated Voltage X 70 to 110%
50/60Hz
DC48V
100VA

s /UTLINE $IMENSIONS

2–ø7.1Mtg.holes

10

NEON LAMP

3SHT
AVR–IC

B

A

NP
POWER SWITCH

4POWER SUPPLY
AC100V~120V
CAPACITOR TRIP

71.5
78

20

f1

Auxiliary Switch
User Wiring

22

120
140

2

1
2
3
4

101

1

f1: Use Auxiliary Switch for capacitor trip95

Undervoltage trip device (UVT)The undervoltage trip device (UVT) trips the ACB when the

Undervoltage trip control circuit (for AC)

control voltage drops below the opening voltage. When thecontrol voltage is restored to the pick-up voltage, the ACB
can be closed. The pick-up voltage is fixed to 85% of the

f1 PB(OPEN) or OCRy etc.
AC power supply

08 18 28 f2

24

rated voltage.
The UVT consists of a tripping mechanism and an undervoltage trip control device. The trip control device is available
in two types: AUR-ICS and AUR-ICD.

UVT
coil

Type AUR-ICS provides an instantaneous trip (below
200ms.) to the ACB when the control voltage drops below

Control circuit

the opening voltage. Type AUR-ICD provides a delayed trip
to the ACB when the control voltage remains below the
opening voltage for at least 500 ms.f
Adding a pushbutton switch (with normally opened contacts)
between terminals P and Q allows the ACB to be tripped
remotely.
fTime-delay trip over 1 sec. or 3 sec. is available as special

0930

f1 Tripping signal is 48 VDC/5 mA.
Apply tripping signal for at least 80 ms.
f2 For DC type use W as the (–) terminal and W as the (+) terminal.

speciﬁcation.
It takes max. 1.5sec. for UVT coil to be adsorbed after the rated voltage is applied to the undervoltage trip device. Therefore, for the closing command, the closing signal should beapplied on and over 1.5sec. after the rated voltage is applied.

s 2ATINGS
Type of UVTControl Device

RatedVoltage
50/60Hz (V)Opening
Voltage (V)Pick-up
Voltage (V)AUR-1CSAC

100

35 – 70

85 or less110

38.5 – 77.0

93.5 or less120

42 – 84

102 or less

AUR-1CD200

70 – 140

170 or less

220

77 – 154

187 or less240

84 – 168204 or less380

133 – 266

323 or less

400f3

140 – 280

340 or less415

145 – 290

352 or less

440

DC

154 – 308

374 or less

450f3

157.5 – 315.0

382.5 or less

480f3

168 – 336

408 or less

24 f3

8.4 – 16.8

20.4 or less

48 f3

16.8 – 33.6

40.8 or less

35 – 70

85 or less

100 f3 f4

Coil Excitation
Current (A)0.1Power Consumption (VA)
Normal

Reset

8

10

f3: Special speciﬁcation.
f4: Not possilble to ﬁt with Instantaneously rated shunt trip.

23

4 Speciﬁcations
6

Over-current Releases (OCRs)

The AGR series of over-current releases (OCRs) featuring high reliability and multiple protection capabilities is available for TemPower2.
Controlled by an internal 16-bit microprocessor, the OCR provides reliable protection against overcurrent.
The OCR range is divided into three groups: L-characteristic, R-characteristic (both for general feeder) and S-characteristic (forgenerator protection).
Each group consists of:Type AGR-11B: Standard OCR with adjustment dial
Type AGR-21B,22B: Standard OCR with L.C.D. (Backlit L.C.D. optional)
Type AGR-31B: Enhanced OCR with backlit L.C.D.
Optional protection functions of the OCR include those against ground fault, earth leakage, undervoltage and reverse power.
Pre-trip alarm function can also be installed.
An AGR-11B over-current mechanical reset facility is available for special application. For more information contact TERASAKI.

Protective functions:Adjustable long time-delay trip function LT@Adjustable short time-delay trip function ST

RMS sensing is used to accurately read through distorted
waveforms.
In addition to the standard L and S-characteristics, the Rcharacteristic is available in ﬁve types for long time-delay trip.
The R-characteristic can be used to give selectivity with e.g.
fuses. (See page 8).

The ST delay trip function has a “deﬁnite time delay characteristic” and a “ramp characteristic”. These characteristics
are selectable.
The ramp characteristic provides close selectivity with downstream circuit breakers or fuses.
The group AGR-L and AGR-R OCRs come in operation withthe deﬁnite time characteristic when the load current reaches
1000% or more of the rated current [In] (500% or more of the
rated current [In] for AGR-S).
The ST trip function is factory set to the deﬁnite time characteristic.

selected.

Ramp characteristic curve(“L” or “R” characteristic)
Operating time

HOT start mode (applicable to L-characteristic of AGR21B, 31B)
HOT or COLD start mode is user-selectable.
In HOT start mode, the OCR operates faster than in COLD
start mode in response to an overload. The HOT start mode
gives protection, taking account of the behavior of loads under heat stress.
Note: In the standard shipmemt mode, COLD start mode is

Isd

2.5

tsd

0.1

200% 1000%
Current.Adjustable instantaneous trip function INST/MCR
The INST trip function trips the ACB when the short circuitcurrent exceeds the pickup current setting, irrespective of thestate of the ACB.
The making current release (MCR) trips the ACB when the
short circuit current exceeds the pickup current setting during closing operation. After the ACB is closed, the MCR islocked and kept inoperative.
The INST and MCR are selectable for AGR-21B, 22B and
31B. (AGR-11B is INST only , MCR is not selectable)
Note) The MCR needs the control power. If the control poweris lost, the MCR provides the INST trip function only.

24

;Adjustable pre-trip alarm function PTA>Earth leakage trip function ELTThe pre-trip alarm function provides an alarm signal via the(For AGR-31B only.)

alarm contact (1a-contact) when the load current exceed-

In conjunction with Zero phase Current Transformer (ZCT),

ing a predetermined value lasts for a predetermined time. A

the ELT function provides protection against earth leakage.

2-channel pre-trip alarm function is available for S-charac-

The ELT pickup current can be set at 0.2, 0.3 and 0.5A

teristic. This function can be used to adjust feeding to loads(Medium sensitivity) or 1, 2, 3, 5 and 10A (Low sensitivity).

according to their priority.

This function needs the control power.

The pre-trip alarm is automatically reset when the load cur-

Note 1: Contact Terasaki for outline dimension of ACBs ﬁtted

rent drops to the predetermined value.
Note that this function needs the control power.

with ZCT.
Note 2: For details on speciﬁcations of the external ZCT,
contact Terasaki.

=Ground fault trip function GF

Note 3: The ELT function comes usually with operation

The peak value sensing is used (the residual current of eachindications. If you need nothing but earth leakage

phase is detected).

indications without earth leakage tripping operation,

The GF pickup current can be set between 10% and 100% of

specify at the time of ordering.

the CT rated primary current [ICT]. Not available if CT primary

Note 4: Contact TERASAKI for applicable models.

current [ICT] is 200A or less.



2Reverse power trip function RPT<Ramp characteristic is added>(For AGR-22B and AGR-31B only.)

The ramp and definite time characteristics are selectable.

The RPT function protects 3-phase generators running in

The GF trip function comes into operation with the deﬁnite

parallel against reverse power. The RPT pickup current cantime characteristic when the load current reaches 100% or

be set in seven levels: 4% thru 10% of the generator rated

more of the CT rated primary current [ICT].

power.

The GF trip function is factory set to the deﬁnite time charac-

If the rated main circuit voltage exceeds 250 VAC, a step-teristic.

down power transformer is needed. When ordering the ACB,
state the step-down ratio of the transformer you will use. f

When using a 3-pole ACB in a 3-phase, 4-wire system, besure to use an optional CT for neutral line (see page 37).
Note 1: The GF trip function comes usually with operation in-

8Contact temperature monitoring function OH(For AGR-22B and AGR-31B only.)

dications. If you need nothing but ground fault indica-

The HEAT function prevents the ACB from suffering damage

tion without a ground fault tripping operation, specify

due to overheat.

at the time of ordering.

It monitors the temperature of the ACB main contacts, andNote 2: Restricted and unrestricted ground fault protection

gives an alarm on the LCD and an output signal via the alarm

REF is available as option. This enables protection

contact (1a-contact) when the temperature exceeds 155°C.

against ground fault on the line side of the ACB.

The alarm can be manually reset when the temperaturedrops to a normal temperature.

BN-phase protection function NP

If you want to set the threshold temperature to a lower value,

This NP function is available on 4-pole ACBs and prevents

contact Terasaki.

the neutral conductor from suffering damage or burnout due

This function needs the control power.

to overcurrent.

Note 1: “Alarm” or “Trip” can be selected.

The NP trip pickup current can be set between 40% and 100%of the OCR rated primary current for L and R-characteristics.
For AGR-11B, it is factory set to a value speciﬁed at the timePhase rotation protection function NS(For AGR-21B and AGR-31B only)of ordering.

This function detects the negative-phase current occurring

Note 1: The NP trip function comes usually with operation in-due to reverse phase or phase loss and prevents burnout

dications. The NP time-delay setting is shared by theof a motor or damage to equipment. The protection setpoint

LT trip function.

ranges from 20% to 100% of the main circuit rated current [In].

Note 2: The HOT start mode is available for AGR-21B and
AGR-31B. The operating time for the NP trip function
is linked to that for the LT trip function.

25

4 Speciﬁcations
Undervoltage alarm function UVA

Zone interlock Z(For AGR-22B and AGR-31B only.)(For AGR-22B and AGR-31B only)This function monitors the main circuit voltage, and gives an

The zone-selective interlock capability permits tripping of thealarm on the LCD and an output signal via an alarm contact

ACB upstream of and nearest to a fault point in the shortest

when the voltage drops below the setting voltage.

operating time, irrespective of the short time delay trip time

The alarm is activated when the main circuit voltage drops

setting, and minimizes thermal and mechanical damage tobelow the setting voltage (selectable from 40%, 60% or 80%

the power distribution line.

of the rated main circuit voltage [Vn]), and is deactivatedwhen the main circuit voltage rises to the recovery settingMechanical reset facility (For the AGR-11B only)

voltage (selectable from 80%, 85%, 90% or 95% of the rated

When the circuit breaker is tripped by the overcurrent tripping

main circuit voltage [Vn]).

relay, the button pops up. Eliminate the cause for the accident

If the rated main circuit voltage exceeds 250 VAC, a step-and then reset the button by pressing it. Otherwise, the ACB

down power transformer is needed. When ordering the ACB,

cannot be turned ON. For further details, contact us.

state the step-down ratio of the transformer you will use. f
Note 1: The undervoltage alarm function is disabled unless

f: Special version without step-down transformer

the main circuit voltage has once risen to the recov-

This version is specially applicable in the main-circuit voltage

ery setting voltage or higher.

range from 250 to 690 VAC using the built-in register circuit

Note 2: If the undervoltage alarm function is used in conjunc-

board without requiring a step-down transformer. To request

tion with the undervoltage trip device (see page 23),the version without a step-down transformer, specify youran alarm may occur after the ACB trips open depend-

main circuit voltage.

ing on the alarm setting voltage.

NON setting and fail-safe feature
CNON setting
Setting a trip pickup current function to NON allows you to render the corresponding protection function inoperative.
Functions having the NON option include LT, ST, INST/MCR, and GF.
Appropriate NON setting will be a useful means for optimum selectivity.

AFail-safe feature
The OCR has a fail-safe mechanism in case protection functions are improperly set to NON.
For AGR-11B
s )F THE 34 AND ).34 TRIP PICKUP CURRENT FUNCTIONS ARE BOTH SET TO ./. THE FAIL SAFE MECHANISM WILL ACTIVATE THE ).34 TRIP FUNCTION
to trip the ACB when a fault current equal to or more than 16 times the rated current [In] ﬂows through the ACB.
For AGR-21B, 22B, 31Bs )F THE 34 TRIP PICKUP CURRENT FUNCTION IS SET TO ./. ).34 TRIP PICKUP CURRENT FUNCTION CAN NOT BE SET TO ./. AND -#2 CAN NOT
be selected.
s )F THE ).34 TRIP PICKUP CURRENT FUNCTION IS SET TO ./. OR IF -#2 IS SELECTED 34 TRIP PICKUP CURRENT FUNCTION CAN NOT BE SET TONON.
For AR663H, even if MCR is selected, the fail-safe mechanism will activate the INST trip function to trip the ACB when a fault
current equal to or more than 16 times the rated current [In] ﬂows through the ACB.

Field test facility
Type AGR-21B/22B/31B OCRs are equipped with a ﬁeld test function to verify the long time delay, short time delay, instantaneous and ground fault trip features without the need for tripping of the ACB.
To check type AGR-11B, use the type ANU-1 OCR checker (optional).

26

Operation indication function

OCR with advanced L.C.D. display,type AGR-31B (contact Terasaki for details)

CIndication via single contact (AGR-11B)
7HEN THE ,4 34 ).34 OR '& TRIP FUNCTION IS ACTIVATED AN

CMonitoring various data on L.C.D.

OUTPUT IS GENERATED VIA A CONTACTOCR can monitor,

4HE A CONTACT WILL TURN OFF AFTER  MS OR MORE

s 0HASE CURRENT ! OF I1, I2, I3 AND THEIR MAX PEAK CURRENT
s #URRENT ! OF IN, Ig! SELF HOLD CIRCUIT IS NEEDED

AIndication via individual contacts (AGR-21B, 22B, 31B)
7HEN THE ,4 TRIP 34 TRIP ).34-#2 TRIP '& TRIP %,4 204.3 2%& 564 PRE TRIP ALARM OR CONTACT TEMPERATURE MONITORING FUNCTION IS ACTIVATED ,#$ WILL INDICATE THEIR OPERATION INDIVIDUALLY AND OUTPUT IS GENERATED VIA THE CORRESPONDING CONTACT
4HE /#2 ALSO HAS A SELF DIAGNOSTIC FEATURE THAT MONITORS THE
INTERNAL TRIPPING CIRCUITS )F DETECTING ANY FAULT IN THE CIRCUITSTHIS FEATURE TURNS ON THE SYSTEM ALARM INDICATOR 4HE CONTROLPOWER IS NEEDED/PERATION INDICATIONS[ 3ELF HOLD .OTE OR 0HASE VOLTAGE 6 OF 61N 62N 63N AND THEIR PEAK VOLTAGE
s !CTIVE POWER 7 K7
s $EMAND ACTIVE POWER MAX 7 K7
s 0OWER FACTOR COS 
s %LECTRIC ENERGY 7H K7H -7H '7H
s &REQUENCY (Zs 4RIP HISTORY&AULT CURRENT IS MONITORED AND THE OPERATION CAUSE IS INDI-? !UTO RESET b STATUS INDICATION = .OT APPLICABLE

0ROTECTIVE CHARACTERISTIC,2 CHARACTERISTIC

3 CHARACTERISTIC&UNCTION,#$

Contact,#$

Contact

,4.0

[
[
[

[

[

? .OTE [ .OTE 

[
[

?

[

[

=

=

[

[

[

[

[
[
b
=
?
?
[
b
[

[
[
b
=
?
?
b
b
[

=
=
b
[
?
?
[
b
[

=
=

34
).34-#2'& 'ROUND FAULT OR%,4 %ARTH LEAKAGE/( #ONTACTTEMPERATURE MONITORING
.OTE  .3 2EVERSE PHASE

2%& ,INE SIDE '&4RIP INDICATION f1
204 2EVERSE POWER TRIP
04! 0RETRIP ALARM
04! 0RETRIP ALARM
.OTE  56 5NDERVOLTAGE ALARM

3PRING CHARGE INDICATION
3YSTEM ALARms ,INE VOLTAGE 6 OF 612 623 631 AND THEIR MAX PEAK VOLTAGE

.OTE 2AND b? .OTE 
?
?
b
b
[

CATED ON ,#$ AND VIA INDIVIDUAL CONTACTS.OTE  4HE SUPPLY VOLTAGE TO THE /#2 FOR INDICATING THE MAIN CIRCUIT VOLTAGE
OR POWER MUST NOT EXCEED  6!# )F THE MAIN CIRCUIT VOLTAGE EXCEEDS 6!# A STEP DOWN POWER TRANSFORMER IS NEEDED 7HEN ORDERING
THE !#" STATE THE STEP DOWN RATIO OF THE TRANSFORMER YOU WILL USE.OTE  3PECIAL VERSION WITHOUT REQUIRING STEP DOWN TRANSFORMER IS APPLICABLE
IN THE MAIN CIRCUIT VOLTAGE RANGE FROM  TO  6!# USING THE BUILTIN REGISTER CIRCUIT BOARD 4O REQUEST THE VERSION WITHOUT A STEP DOWNTRANSFORMER SPECIFY YOUR MAIN CIRCUIT VOLTAGE

AGives the system alarm with number on the LCD
for the following abnormal function.
s 4RIP FUNCTION FAILs -(4 CIRCUIT BREAK.OTE  4O RESET THE MOTION INDICATION PRESS THE BUTTON ON THE FRONT OF /#2.OTE  4HE CONTACT WILL TURN OFF AFTER  MS OR MORE 5SE A SELF HOLD CIRCUIT.OTE  /NLY ONE FUNCTION CAN BE SELECTED FROM /( .3 2%& OR TRIP INDICATION
3ELECTION OF TWO OR MORE FUNCTIONS INVOLVES MANUAL CONNECTION OF THEIRCONTROL CIRCUITS CUSTOM CONlGURATION  #ONTACT 4ERASAKI FOR DETAILS.OTE  /NLY ONE FUNCTION CAN BE SELECTED FROM 04! 56 OR SPRING CHARGE INDICATION 3ELECTION OF TWO OR MORE FUNCTIONS INVOLVES MANUAL CONNECTION OF
THEIR CONTROL CIRCUITS CUSTOM CONlGURATION  #ONTACT 4ERASAKI FOR DETAILS.OTE  -OTION INDICATION CONTACTS ARE COMMONLY USED FOR 34 AND ).34-#2
f ! SWITCH IS USED TO INDICATE THE !#" HAS BEEN TRIPPED 4HIS SWITCH IS
ACTIVATED WHENEVER THE OFF BUTTON THE OVERCURRENT TRIP DEVICE SHUNT TRIP
DEVICE OR UNDERVOLTAGE TRIP DEVICE IS ACTIVATED,Contact ratings for Operation indication#URRENT !
C3INGLE CONTACT
A)NDIVIDUAL CONTACTS
2ESISTIVE LOAD )NDUCTIVE LOAD 2ESISTIVE LOAD )NDUCTIVE LOAD!# 









$# 









6OLTAGE
6.OTE 3EE PAGE  FOR THE CONTACT RATINGS OF 4RIP INDICATOR
3EE PAGE  FOR THE CONTACT RATINGS OF 3PRING CHARGE INDICATOR

27

4 Speciﬁcations
OCR Speciﬁcations;
Protection
characteristic

Long
Time

Short
Time

Instantaneous/
MCR

LT

ST

INST MCR@::\ : Available as standard[ : Available as option
 : Not available: : Standard Inverse, Very Inverse, Extremely Inverse Curves@ : Only one function can be selected from OH, NS, REF ortrip indication. Selection of two or more functions involves
manual connection of their control circuits (special speciﬁcation). Contact Terasaki for details.
. : Only one function can be selected from PTA2, UV or springcharge indication. Selection of two or more functions involves manual connection of their control circuits (special
speciﬁcation). Contact Terasaki for details.

28; : Not available if CT rated primary current [ICT] is 200A or
less.
= : Available up to 3,200A rated current [In].
B : Over AC 250V, a step down VT is required.
For full operational information see pages 24 to 27
Note: When a protection function of AGR-11B OCRs with singlecontact indication is activated, the corresponding operation LED indicator is ON momentarily or OFF.
But the LED indicator is kept ON when the protection function is checked with the optional OCR checker.

.
@

=

B

@

UVA.

.

@

If the control power is not supplied or is lost, each function operates as follows:
LT, ST, INST, RPT
Operates normally.
GF
Operates normally
When the CT rated primary current [ICT] is less than
800A and the GF pick-up current is set to 10 %,the GF becomes inoperative.
MCR
Operates as INST.
PTA
1-channel PTA
Is inoperative.
2-channel PTA
ELTIs inoperative.
LED indicator on OCRs with single-contact indication
Is on momentarily or off.
Contact output from OCRs with single-contact indication
Turns off after 40 ms or more.
Contact output from OCRs with individual contact indication
Is inoperative.
LCD
Will display without backlit.
Field test facility
Is inoperative.

29

4 Speciﬁcations
L-characteristic for general feeder circuits (Type AGR-11BL, 21BL, 31BL)
Setting range of protection functions
Protection functions
Adjustable long time-delay trip characteristics
LT
Pick-up current [IR] (A)Time-delay [tR] (s)Time-delay setting tolerance (%)
Adjustable short time-delay trip characteristics
ST
Pick-up current [Isd] (A)Current setting tolerance (%)
Time-delay [tsd] (ms) Relay time
Resettable time (ms)Max. total clearing time (ms)
Adjustable instantaneous trip characteristics
INST or MCR (For AGR-11B, INST only)
Pick-up current [I i] (A)Current setting tolerance (%)
Adjustable pre-trip alarm characteristics
PTA
Pick-up current [IP1] (A)Current setting tolerance (%)
Time-delay [tP1] (s)Time-delay setting tolerance (%)
Adjustable ground fault trip characteristics
GF
Pick-up current [Ig] (A)Current setting tolerance (%)
Time-delay [tg] (ms) Relay time
Resettable time (ms)Max. total clearing time (ms)Ground fault trip characteristics on line side
(AGR-21B, 31B only)
REF
Pick-up current [IREF] (A)current setting tolerance (%)
Time-delay (s)N-phase protection characteristics
NP
Pick-up current [IN] (A)Time-delay [tN] (s)Time-delay setting tolerance (%)
Phase rotation protection characteristics(AGR-21B, 31B only)NS
Pick-up current [INS] (A)current setting tolerance (%)
Time-delay [tNS] (s)Time-delay setting tolerance (%)
Adjustable earth leakage trip characteristics(AGR-31B only)
ELT
Pick-up current [I$R] (A)Current setting tolerance
Time-delay [t$R] (ms) Relay time
Resettable time (ms)Max. total clearing time (ms)Undervoltage alarm characteristics(AGR-31B only)
UV
Recovery setting voltage (V)Recovery voltage setting tolerance (%)
Setting voltage (V)Voltage setting tolerance (%)
Time-delay (s)Time-delay setting tolerance (%)
Control power__ : Default setting

30

Setting range[In]?(0.8 – 0.85 – 0.9 – 0.95 – 1.0 – NON) ; 6 graduations
s .ON TRIPPING WHEN LOAD CURRENT E ([IR]?  s 4RIPPING WHEN ;IR]?1.05) C load current E ([IR]?1.2)(0.5 – 1.25 – 2.5 – 5 – 10 – 15 – 20 – 25 – 30) at 600% of [IR]; 9 graduations±15% +150ms – 0ms[In]?(1 – 1.5 – 2 – 2.5 – 3 – 4 – 6 – 8 – 10 – NON) ; 10 graduations
±15%
50
100
200
400
600
800
; 6 graduations
25
75
175
375
575
775
120
170
270
470
670
870

[In]?(2 – 4 – 6 – 8 – 10 – 12 – 14 – 16 – NON) ; 9 graduations±20%[In]?(0.75 – 0.8 – 0.85 – 0.9 – 0.95 – 1.0) ; 6 graduations±7.5%(5 – 10 – 15 – 20 – 40 – 60 – 80 – 120 – 160 – 200) at [I P1] or more; 10 graduations±15% +100ms – 0ms
Note: Set [Ig] to 1200A or less.
[ICT]?(0.1 – 0.2 – 0.3 – 0.4 – 0.6 – 0.8 – 1.0 – NON) ; 8 graduations
±20%
100
200
300
500
1000
2000 ; 6 graduations
75
175
275
475
975
1975
170
270
370
570
1070
2070

[ICT]?(0.1 – 0.2 – 0.3 – 0.4 – 0.6 – 0.8 – 1.0 – NON) ; 8 graduations
±20%
Inst

[ICT]?(0.4 – 0.5 – 0.63 – 0.8 – 1.0) ; Factory set to a user-speciﬁed value for AGR-11BL.
s .ON TRIPPING WHEN LOAD CURRENT E ([IN]?  s 4RIPPING WHEN ;IN]?1.05) C load current E ([IN]?1.2)
Tripping at 600% of [IN] with LT time-delay [tR]
±15% +150ms – 0ms[In]?(0.2 – 0.3 – 0.4 – 0.5 – 0.6 – 0.7 – 0.8 – 0.9 – 1.0) ; 9 graduations±10%(0.4 – 0.8 – 1.2 – 1.6 – 2 – 2.4 – 2.8 – 3.2 – 3.6 – 4) at 150% of [INS] ; 10 graduations±20% +150ms – 0ms

0.2 – 0.3 – 0.5 (Medium sensitivity) or 1 – 2 – 3 – 5 – 10 (Low sensitivity)
Non operate below 70% of [I$R], Operate between 70% and 100% of [I$R].
100
150
300
500
800
1500
3000 ; 7 graduations
50
100
250
450
750
1450
2950
250
300
450
650
950
1650
3150

[Vn]?(0.8 – 0.85 – 0.9 – 0.95) ; 4 graduations±5%[Vn]?(0.4 – 0.6 – 0.8) ; 3 graduations±5%
0.1 – 0.5 – 1 – 2 – 5 – 10 – 15 – 20 – 30 – 36 ; 10 graduations±15% +100ms–0ms
AC100 – 120V ³
DC100 – 125V ³
DC24V ³
CommonCommonCommonAC200 – 240V µ
DC200 – 250V µ
DC48V µPower consumption: 5 VA

Values of [ICT] and [In]Type

Applicable
Rated current [In](A)
[ICT]
[ICT]
[ICT]
[ICT]
[ICT]
(A)
?0.5 ?0.63 ?0.8 ?1.0
AR208S
200
100
125
160
200
400
200
250
320
400
800
400
500
630
800
AR212S
400
200
250
320
400
800
400
500
630
800
1000 500
630
800
1000
1250 630
800
1000 1250
AR216S
400
200
250
320
400
800
400
500
630
800
1000 500
630
800
1000
1250 630
800
1000 1250
1600 800
1000 1250 1600

Protection
characteristics

Type

Applicable
Rated current [In](A)
[ICT]
[ICT]
[ICT]
[ICT]
[ICT]
(A)
?0.5 ?0.63 ?0.8 ?1.0
AR212H 200
100
125
160
200
400
200
250
320
400
800
400
500
630
800
1000 500
630
800
1000
1250 630
800
1000 1250
AR216H 1600 800
1000 1250 1600
AR220H 2000 1000 1250 1600 2000
AR316H 200
100
125
160
200
400
200
250
320
400
800
400
500
630
800
1250 630
800
1000 1250
1600 800
1000 1250 1600
AR320H 2000 1000 1250 1600 2000
AR325H 2500 1250 1600 2000 2500
AR332H 3200 1600 2000 2500 3200
AR420H 800
400
500
630
800
2000 1000 1250 1600 2000
AR440H 4000 2000 2500 3200 4000
AR663H 5000 2500 3200 4000 5000
6300 3200 4000 5000 6300

Type

Applicable
Rated current [In](A)
[ICT]
[ICT]
[ICT]
[ICT]
[ICT]
(A)
?0.5 ?0.63 ?0.8 ?1.0
AR220S
400
200
250
320
400
800
400
500
630
800
1000 500
630
800
1000
1250 630
800
1000 1250
1600 800
1000 1250 1600
2000 1000 1250 1600 2000
AR325S
2500 1250 1600 2000 2500
AR332S
3200 1600 2000 2500 3200
AR440SB 4000 2000 2500 3200 4000
AR440S
4000 2000 2500 3200 4000
AR650S
5000 2500 3200 4000 5000
AR663S
6300 3200 4000 5000 6300

hour

3

LT current setting range

N-phase protection
current setting range

2

PTA current setting range

140

ST current setting range

minute20

GF current setting range

INST current setting range

10
6
4
2
1

Operating time

40
20

Max
10
6
4

1
800ms

0.6
0.4

400ms

Min.

The ST trip characteristic
shown in the figure applies
when the ramp characteristic
select switch is in the
OFF position.

0.2
100ms

0.1
0.06
0.04
0.02

Note: Total breaking time
for AR6 is 0.05sec.

0.01% of OCR rated primary current [ ICT ]

3000

2500

2000

1500

600
700
800
900
1000

500

400

300

250

200

125
150

60
70
80
90
100

200

150

60
70
80
90
100

50

40

30

20

15

0.006
7
8
9
10

second2% o f r a t e d c u r r e n t [ In ]31

4 Speciﬁcations
R-characteristic for general feeder circuits (Type AGR-21BR, 31BR)
Setting range of protection functions
Protection functions

Setting range

Adjustable long time-delay trip characteristics
LT
Pick-up current [IR] (A)Current setting tolerance (%)
Time-delay [tR] (s)Time-delay setting tolerance (%)
Adjustable short time-delay trip characteristics
ST
Pick-up current [Isd] (A)Current setting tolerance (%)
Time-delay [tsd] (ms) Relay time
Resettable time (ms)Max. total clearing time (ms)
Adjustable instantaneous trip characteristics
INST
or MCR
Pick-up current [I i] (A)Current setting tolerance (%)
Adjustable pre-trip alarm characteristics
PTA
Pick-up current [IP1] (A)Current setting tolerance (%)
Time-delay [tP1] (s)Time-delay setting tolerance (%)
Adjustable ground fault trip characteristics
GF
Pick-up current [Ig] (A)Current setting tolerance (%)
Time-delay [tg] (ms) Relay time
Resettable time (ms)Max. total clearing time (ms)Ground fault trip characteristics on line side
REF
Pick-up current [IREF] (A)current setting tolerance (%)
Time-delay (s)N-phase protection characteristics
NP
Pick-up current [IN] (A)Current setting tolerance (%)
Time-delay [tN] (s)Time-delay setting tolerance (%)
Phase rotation protection characteristics

Select one from among I0.02t, It, I2t, I3t, and I4t on LCD.

NS
Pick-up current [INS] (A)current setting tolerance (%)
Time-delay [tNS] (s)Time-delay setting tolerance (%)
Adjustable earth leakage trip characteristics(AGR-31B only)
ELT
Pick-up current [I$R] (A)Current setting tolerance
Time-delay [t$R] (ms) Relay time
Resettable time (ms)Max. total clearing time (ms)Undervoltage alarm characteristics(AGR-31B only)
UV
Recovery setting voltage (V)Recovery voltage setting tolerance (%)
Setting voltage (V)Voltage setting tolerance (%)
Time-delay (s)Time-delay setting tolerance (%)
Control power__ : Default setting

32[In]?(0.8 – 0.85 – 0.9 – 0.95 – 1.0 – NON) ; 6 graduations±5%(1 – 2 – 3 – 4 – 5 – 6.3 – 6.8 – 10) at 300% of [IR]; 8 graduations±20% +150ms – 0ms[In]?(1 – 1.5 – 2 – 2.5 – 3 – 4 – 6 – 8 – 10 – NON) ; 10 graduations
±15%
50
100
200
400
600
800
; 6 graduations
25
75
175
375
575
775
120
170
270
470
670
870

[In]?(2 – 4 – 6 – 8 – 10 – 12 – 14 – 16 – NON) ; 9 graduations±20%[In]?(0.75 – 0.8 – 0.85 – 0.9 – 0.95 – 1.0) ; 6 graduations±7.5%(5 – 10 – 15 – 20 – 40 – 60 – 80 – 120 – 160 – 200) at [I P1] or more; 10 graduations±15% +100ms – 0ms
Note: Set [Ig] to 1200A or less.
[ICT]?(0.1 – 0.2 – 0.3 – 0.4 – 0.6 – 0.8 – 1.0 – NON) ; 8 graduations
±20%
100
200
300
500
1000
2000 ; 6 graduations
75
175
275
475
975
1975
170
270
370
570
1070
2070

[ICT]?(0.1 – 0.2 – 0.3 – 0.4 – 0.6 – 0.8 – 1.0 – NON) ; 8 graduations
±20%
Inst

[ICT]?(0.4 – 0.5 – 0.63 – 0.8 – 1.0) ; Factory set to a user-speciﬁed value for AGR-11BR.
±5%
Tripping at 300% of [IN] with LT time-delay [tR]
±20% +150ms – 0ms[In]?(0.2 – 0.3 – 0.4 – 0.5 – 0.6 – 0.7 – 0.8 – 0.9 – 1.0) ; 9 graduations±10%(0.4 – 0.8 – 1.2 – 1.6 – 2 – 2.4 – 2.8 – 3.2 – 3.6 – 4) at 150% of [INS] ; 10 graduations±20% +150ms – 0ms

0.2 – 0.3 – 0.5 (Medium sensitivity) or 1 – 2 – 3 – 5 – 10 (Low sensitivity)
Non operate below 70% of [I$R], Operate between 70% and 100% of [I$R].
100
150
300
500
800
1500
3000 ; 7 graduations
50
100
250
450
750
1450
2950
250
300
450
650
950
1650
3150

[Vn]?(0.8 – 0.85 – 0.9 – 0.95) ; 4 graduations±5%[Vn]?(0.4 – 0.6 – 0.8) ; 3 graduations±5%
0.1 – 0.5 – 1 – 2 – 5 – 10 – 15 – 20 – 30 – 36 ; 10 graduations±15% +100ms–0ms
AC100 – 120V ³
DC100 – 125V ³
DC24V³
CommonCommonCommonAC200 – 240V µ
DC200 – 250V µ
DC48VµPower consumption: 5 VA

Values of [ICT] and [In]Type

Applicable
Rated current [In](A)
[ICT]
[ICT]
[ICT]
[ICT]
[ICT]
(A)
?0.5 ?0.63 ?0.8 ?1.0
AR208S
200
100
125
160
200
400
200
250
320
400
800
400
500
630
800
AR212S
400
200
250
320
400
800
400
500
630
800
1000 500
630
800
1000
1250 630
800
1000 1250
AR216S
400
200
250
320
400
800
400
500
630
800
1000 500
630
800
1000
1250 630
800
1000 1250
1600 800
1000 1250 1600

Protection
characteristics

Type

Applicable
Rated current [In](A)
[ICT]
[ICT]
[ICT]
[ICT]
[ICT]
(A)
?0.5 ?0.63 ?0.8 ?1.0
AR220S
400
200
250
320
400
800
400
500
630
800
1000 500
630
800
1000
1250 630
800
1000 1250
1600 800
1000 1250 1600
2000 1000 1250 1600 2000
AR325S
2500 1250 1600 2000 2500
AR332S
3200 1600 2000 2500 3200
AR440SB 4000 2000 2500 3200 4000
AR440S
4000 2000 2500 3200 4000
AR650S
5000 2500 3200 4000 5000
AR663S
6300 3200 4000 5000 6300

Type

Applicable
Rated current [In](A)
[ICT]
[ICT]
[ICT]
[ICT]
[ICT]
(A)
?0.5 ?0.63 ?0.8 ?1.0
AR212H 200
100
125
160
200
400
200
250
320
400
800
400
500
630
800
1000 500
630
800
1000
1250 630
800
1000 1250
AR216H 1600 800
1000 1250 1600
AR220H 2000 1000 1250 1600 2000
AR316H 200
100
125
160
200
400
200
250
320
400
800
400
500
630
800
1250 630
800
1000 1250
1600 800
1000 1250 1600
AR320H 2000 1000 1250 1600 2000
AR325H 2500 1250 1600 2000 2500
AR332H 3200 1600 2000 2500 3200
AR420H 800
400
500
630
800
2000 1000 1250 1600 2000
AR440H 4000 2000 2500 3200 4000
AR663H 5000 2500 3200 4000 5000
6300 3200 4000 5000 6300

hour

3

LT current setting range

N-phase protection
current setting range

2

PTA current setting range

140

ST current setting range

minute20

GF current setting range

INST current setting range

10

I4t Max.

I4t Max.

6
4

I4t Min.
I3t Max.

I3t Max.

2

I3t Min.

Operating time

1

I0.02t Max.

40
20

I0.02t Max.

106
4

I3t Min.
I0.02t Min.

1

800ms

I0.02t Min.

0.6
0.4

400ms

I4t Min.

The ST trip characteristic
shown in the figure applies
when the ramp characteristic
select switch is in the
OFF position.

0.2
100ms

0.1
0.06
0.04
0.02

Note: Total breaking time
for AR6 is 0.05sec.

0.01% of OCR rated primary current [ ICT ]

3000

2500

2000

1500

600
700
800
900
1000

500

400

300

250

200

125
150

60
70
80
90
100

200

150

60
70
80
90
100

50

40

30

20

15

0.006
7
8
9
10

second2% o f r a t e d c u r r e n t [ In ]33

4 Speciﬁcations
S-characteristic for generator protection (Type AGR-21BS, 22BS, 31BS)
Setting range of protection functions
Protection functions
Adjustable long time-delay trip characteristics
LT
Pick-up current [IR] (A)Current setting tolerance (%)
Time-delay [tR] (s)Time-delay setting tolerance (%)
Adjustable short time-delay trip characteristics
ST
Pick-up current [Isd] (A)Current setting tolerance (%)
Time-delay [tsd] (ms) Relay time
Resettable time (ms)Max. total clearing time (ms)
Adjustable instantaneous trip characteristics
INST
MCR
or
Pick-up current [I i] (A)Current setting tolerance (%)
Adjustable pre-trip alarm characteristics
PTA
Pick-up current [IP1] (A)Current setting tolerance (%)
Time-delay [tP1] (s)Time-delay setting tolerance (%)(AGR-22B, 31B only)
PTA 2
Pick-up current [IP2] (A)Current setting tolerance (%)
Time-delay [tP2] (s)Time-delay setting tolerance (%)
Adjustable reverse power trip characteristics
RPT(AGR-22B, 31B only)
Pick-up power [PR] (kW)Power setting tolerance (%)
Time-delay [time] (s)Time-delay setting tolerance (%)
Undervoltage alarm characteristics
UV(AGR-22B, 31B only)
Recovery setting voltage (V)Recovery voltage setting tolerance (%)
Setting voltage (V)Voltage setting tolerance (%)
Time-delay (s)Time-delay setting tolerance (%)
Control power__ : Default setting

34

Setting range[In]?(0.8 – 1.0 – 1.05 – 1.1 – 1.15 – NON) ; 6 graduations±5%(15 – 20 – 25 – 30 – 40 – 50 – 60) at 120% of [IR]; 7 graduations±15% +150ms – 0ms[In]?(2 – 2.5 – 2.7 – 3 – 3.5 – 4 – 4.5 – 5 – NON) ; 9 graduations
±10%
100
200
300
400
600
800
75
175
275
375
575
775
170
270
370
470
670
870

; 6 graduations[In]?(2 – 4 – 6 – 8 – 10 – 12 – 14 – 16 – NON) ; 9 graduations±20%[In]?(0.75 – 0.8 – 0.85 – 0.9 – 0.95 – 1.0 – 1.05) ; 7 graduations±5%(10 – 15 – 20 – 25 – 30) at 120% of [IP1]; 5 graduations±15% +100ms – 0ms[In]?(0.75 – 0.8 – 0.85 – 0.9 – 0.95 – 1.0 – 1.05) ; 7 graduations±5%
1.5 [tP1] at 120% of [IP2]±15% +100ms – 0ms

Rated power [Pn]?(0.04 – 0.05 – 0.06 – 0.07 – 0.08 – 0.09 – 0.1 – NON) ; 8 graduations+0 – 20%(2.5 – 5 – 7.5 – 10 – 12.5 – 15 – 17.5 – 20) at 100% of [PR]; 8 graduations±20%[Vn]?(0.8 – 0.85 – 0.9 – 0.95) ; 4 graduations±5%[Vn]?(0.4 – 0.6 – 0.8) ; 3 graduations±5%
0.1 – 0.5 – 1 – 2 – 5 – 10 – 15 – 20 – 30 – 36 ; 10 graduations±15% +100ms–0ms
AC100 – 120V ³
DC100 – 125V ³
DC24V ³
CommonCommonCommonAC200 – 240V µ
DC200 – 250V µ
DC48V µPower consumption: 5 VA

Applicable range of generator rated current [In]Type

OCR rated primary
current [ICT](A)
200
400
800
400
800
1000
1250
400
800
1000
1250
1600
400
800
1000
1250
1600
2000
2500
3200
4000
4000
4000
5000
6300

AR208S

AR212S

AR216S

AR220S

AR325S
AR332S
AR440S
AR440SB
AR440S
AR650S
AR663S

Applicable range of generator
rated current [In] (A)100E[In]E200
200C[In]E400
400C[In]E800
200E[In]E400
400C[In]E800
500C[In]E1000
630C[In]E1250
200E[In]E400
400C[In]E800
500C[In]E1000
630C[In]E1250
800E[In]E1600
200E[In]E400
400C[In]E800
500C[In]E1000
630C[In]E1250
800E[In]E1600
1250E[In]E2000
1250E[In]E2500
1600E[In]E3200
2000E[In]E4000
2000E[In]E4000
2000E[In]E4000
2500E[In]E5000
3200E[In]E6300

Type

OCR rated primary
current [ICT](A)
200
400
800
1000
1250
1600
2000
200
400
800
1250
1600
2000
2500
3200
800
2000
4000
5000
6300

AR212H

AR216H
AR220H
AR316H

AR320H
AR325H
AR332H
AR420H
AR440H
AR663H

Applicable range of generator
rated current [In] (A)100E[In]E200
200C[In]E400
400C[In]E800
500C[In]E1000
630C[In]E1250
800E[In]E1600
1000E[In]E2000
100E[In]E200
200C[In]E400
400C[In]E800
630C[In]E1250
800C[In]E1600
1000E[In]E2000
1250E[In]E2500
1600E[In]E3200
400E[In]E800
1000E[In]E2000
2000E[In]E4000
2500E[In]E5000
3200E[In]E6300

Protection
characteristics
3

LT current setting range

2

PTA current setting range

1

2
1

40

40

20

20
minute

10
6

10
6
4

4

ST current setting range
2
1

1
40

Operating time

PTA Max
20
10
6
4

20
10
6
4

second1
800ms

PTA Min.

0.4

The ST trip characteristic
shown in the figure applies
when the ramp characteristic
select switch is in the
OFF position.

0.2
100ms

0.1

1
0.6
0.4

400ms

PTA2 Min

0.2

Min.
0.1
0.06

0.06

0.04

% o f g e n e r a t o r r a t e d c u r r e n t [ In ]

500

400

300

200

150

60
70
80
90
100

50

40

30

3000

2500

2000

1500

600
700
800
900
1000

500

400

300

250

200

0.01
0.006
125
150

0.01
0.006

25

0.02

20

Note: Total breaking time
for AR6 is 0.05sec.

0.02

15

0.04

60
70
80
90
100

second

Max.

2

2

6
7
8
9
10

Operating time

4 0 Min.

0.6

RPT power setting range

2

INST current setting range
Max.
PTA2 Max.

12.5

minute

hour

hour

3

% o f g e n e r a t o r r a t e d p o w e r [Pn ]35

4 Speciﬁcations
7

Other Accessories

OCR checker, type ANU-1
The OCR checker allows easy checking of the long time-delay trip, short
time-delay trip, instantaneous trip, ground fault trip functions and the pretrip alarm function of the OCR in the ﬁeld.

N Ratings and speciﬁcations
0OWER SUPPLYPower consumption
Dimensions
Weights !#n6 (Z WITH TYPE # PLUG
s ?AA alkaline cells
7VA
101 (W) ? 195 (H) ? 44 (D) mm
400 g

N Measurement output
s ,ONG TIME DELAY TRIP PICKUP CURRENT
s ,ONG TIME DELAY TRIP PICKUP TIME
s 3HORT TIME DELAY TRIP PICKUP CURRENT
s 3HORT TIME DELAY TRIP PICKUP TIME

s . PHASE PROTECTION TRIP PICKUP CURRENTs )NSTANTANEOUS TRIP PICKUP CURRENT
s . PHASE PROTECTION TRIP PICKUP TIMEs -#2 TRIP PICKUP CURRENT
s 0RE TRIP ALARM PICKUP CURRENT
s 'ROUND FAULT TRIP PICKUP CURRENT
s 0RE TRIP ALARM PICKUP TIME
s 'ROUND FAULT TRIP PICKUP TIME
For the checking of Reverse power protection, use the following OCR test interface unit, ANU-2.

OCR test interface unit, type ANU-2
OCR test interface unit ANU-2 is a testing tool designed forchecking the functionality of type AGR OCR (overcurrent release).
Using this tool in conjunction with a commercial constant-current
generator allows easy on-site testing of the OCR. The reverse
power trip function of the OCR can also be tested using the tool.
OCR test interface unit ANU-2 is a device that converts current
into voltage. In addition to the unit, a constant-current generator
is needed to test the OCR. Use a generator with a continuous ratING OF ! (Z AND A SHORT TIME RATING OF !  (Z FOR
10 seconds (500 VA).
N Ratings and Speciﬁcations
Power supply

Input

External power supply (through power cable with AC adapter) 100 to 240 VAC  (Z

Output

9 VDC

Power consumption

7VA

Outline dimensions

W160H90D220 (mm)

Mass of main unit

2kg

N Measurement output
s ,ONG TIME DELAY TRIP PICKUP CURRENT
s 3HORT TIME DELAY TRIP PICKUP CURRENTs )NSTANTANEOUS TRIP PICKUP CURRENT s )NSTANTANEOUS TRIP OPERATIONs -#2 TRIP PICKUP CURRENT 
s 'ROUND FAULT TRIP PICKUP CURRENT
s . PHASE PROTECTION TRIP PICKUP CURRENT
s 0RE TRIP ALARM PICKUP CURRENT 

s 2EVERSE POWER PROTECTION TRIP PICKUPCURRENT s ,ONG TIME DELAY TRIP PICKUP TIME SIMPLIlED TESTING s 2EVERSE POWER PROTECTION TRIP PICKUPTIME SIMPLIlED TESTING  
s 0RE TRIP ALARM PICKUP TIME SIMPLIFIEDTESTING 

 #AN BE MEASURED ONLY WHEN THE INPUT CURRENT DOES NOT EXCEED  !
 .OT APPLICABLE FOR TYPES !'2  OR !'2 "
 ! STOPWATCH IS REQUIRED FOR MEASUREMENT !PPLICABLE FOR TYPES !'2 "3 02 AND !'2 "3 02 ONLY

36

N Accessories
s 0OWER CABLE WITH !# ADAPTOR M
s 0LUG ADAPTOR
s 3IGNAL CABLE M
s /PERATION MANUALCurrent transformer for neutral line (separate type)
When using a 3-pole ACB with the ground fault protection function to protect a 3-phase, 4-wire system against ground fault, install an appropriate current transformer (CT) to the neutral line of the system.
TERASAKI can provide this neutral line CT as an option.
For the 4-pole ACB, a measuring CT instead of the neutral line CT is already built into the neutral phase of the ACB when the
ground fault protection is ﬁtted.

s /UTLINE DIMENSION OF #4 FOR NEUTRAL LINE
AR208S, AR212S, AR216S
AR212H, AR216H, AR316H

AR220S, AR325S, AR332S, AR440SB, AR440S, AR650S, AR663S
AR220H, AR320H, AR325H, AR332H, AR420H, AR440H, AR663H

M4

50

60

M5

k
L

K

150

K

K

4-M5 Tap
for fixing
secondarywiring

L

255

ø160

k

125

70

30
80

L

4-ø7

4-ø10
30
70
80
125

80
100

120
150

160
235

Type

CW80-40LS

Type

EC160-40LS

Rated
Primary
Current (A)

200
400
800

Rated
Primary
Current (A)

1600
2000
2500
3200

1250
1600

Rated secondary current is 5A

4000
5000
6300

Rated secondary current is 5A

The over-current trip device of TemPower2 provides a ground fault protection on the line side (optional) as well as on the loadside as shown above. When the ACB is used for protection of a 3-pole, 4-wire system, select the same current transformer forthe neutral line shown above. Two current transformers are required for 3 pole restricted earth fault ACBs.

37

4 Speciﬁcations
ON–OFF cycle counter
The ON-OFF cycle counter is a mechanical 5-digit readoutthat shows the number of ON-OFF cycles of the ACB.
Counter readings serve as a guide for maintenance or inspection.

Auxiliary switches
The auxiliary switches operate during the ACB ON/OFF operation.
Connections to the switches are made via screw terminals.
The auxiliary switches for draw-out type ACBs operate in the
CONNECTED and TEST positions.
The auxiliary switches for ACBs conforming to classiﬁcation
The auxiliary switches have change-over contacts and areavailable for general service and for microload.

AC100-250V
AC251-500V
DC30V
DC125-250V

ffSuited to electronic circuits

For microload ff

For general service
Resistive
load (A)Inductive
load (A)5511Gold contacts
for microload ff
—
—
3c
—
3c

Note: 4c is the maximum arrangement when any one of the ground
fault protection on the line side, zone interlock, or communication function is incorporated or in the case of type AGR-31B
OCR with the ground fault trip function incorporated.

Auxiliary switch ratings
Voltage

Normal contacts
for general service
4c
7c
4c
10c
7c

fThe standard contact arrangement of the auxiliary switches is 4c.
(Form c: Change-over, single gap, three terminals)

society’s rules operate in the CONNECTED position only.

CategoryType
fAXR-004
AXR-007
AXR-304
AXR-010
AXR-307

AC: cos øF 0.3
DC: L/R E0.01

Resistive
load (A)551
1Inductive
load (A)

AC: cos øF 0.6
DC: L/R E0.007

0.1
—
0.1
—

Min. applicable
load

0.1
—
0.1
—

DC5V 1mA

Note 1: The chattering of b-contacts due to ON-OFF operation of the ACB lasts for less than 30 ms.
Note 2: Do not supply different voltages to contacts of a switch.

Trip Indicator
Trip Indicator closes (ON) when the air
circuit breaker is tripped by overcurrent release, shunt trip device, undervoltage trip
device or manual operation of OFF button.
The table summarizes when the trip indicator operates (ON) and when it is reset (OFF).
Use a suitable self-hold circuit as necessary for continuous trip alarm indication.

Closing Springs Charged

Closing Spring Discharged

Over-current Trip (OCR)

Switch is ON for minimum 40ms,
then reset to OFF.

Switch is remains ON until closing springs
are charged.

Shunt trip

Switch remains ON until reset to OFF.

Switch remains ON until closing springs
springs are charged after rest to OFF.

Undervoltage
trip

AC
DC

Switch remains ON until undervoltage Switch remains ON until closing springs arecharged after undervoltage condition has
coil is pick-up voltage.
restored to normal.
Switch remains ON until
PUSH–TO–OPEN button is released.

Switch remains ON until closing springs arecharged after PUSH–TO–OPEN botton isreleased.

N Gold contacts for microload

Switch contact ratings

Voltage (V)Switch contact ratings

Resistive load

Inductive load

250

3

3

AC

250

0.1

0.1

250

0.1

0.1

DC

30

0.1

0.1

125

0.5

0.5

30

3

2

Minimum applicable load is DC24V 10mA.

38

Remote Opening
Undervoltage
Condition

Manual Opening by
PUSH–TO–OPEN button

N Normal contacts for general service
Voltage (V)Operation of Trip Indicator

Breker Tripped by

Resistive load

Minimum applicable load is DC24V 1mA.

Inductive load

“Ready to close” contact (special speciﬁcation)
The “ready to close” contact indicates that the ACB is in a

N Normal contacts for general service

ready to close status.
Voltage (V)This contact operates when the followings are valid.
/. /&& INDICATOR SHOWS h/&&v 4HE !#" IS IN /&& POSITION

AC

3PRING CHARGE INDICATOR SHOWS hCHARGEDv
5NDERVOLTAGE TRIP IS ENERGISEDDC

3HUNT TRIP IS NOT ENERGISED!#" IS IN THE CONNECTED OR TEST POSITION

Switch contact ratings
Resistive load

Inductive load

250

3

3

250

0.1

0.1

125

0.5

0.5

30

3

2

Minimum applicable load is DC24V 10mA.

+EY LOCK AND +EY INTERLOCK ARE OFF
N Gold contacts for microload-ECHANICAL INTERLOCK IS OFF

Voltage (V)Switch contact ratings
Resistive load

Inductive load

AC

250

0.1

0.1

DC

30

0.1

0.1

Minimum applicable load is DC24V 1mA.

Key lock

Key interlock

The key lock is available in two types:

The key interlock is a system of interlocking between ACBs, each ﬁtted with a key

the lock-in ON type that locks the ACB

lock of lock-in OFF type.

in the closed position, and the lock-s ! KEY MUST BE INSERTED TO RELEASE THE LOCK BEFORE THE !#" CAN BE CLOSEDin OFF type that locks the ACB in thes 4HE !#" MUST BE OPENED AND LOCKED IN THE /&& POSITION BEFORE THE KEY CAN BE

open position.

removed.

When the ACB is ﬁtted with a key lock,"Y UTILIZING THE LOCK IN /&& TYPE KEY LOCK FEATURE AND THEN A LIMITED NUMBER OF KEYS

the operator cannot operate the ACB

by default provides an effective and reliable interlock system.

unless using a matched key.

Using the same keys also allows interlocking between an ACB and other devices(such as a switchboard door).
ACBs can be supplied with a cylinder lock or type FS-2 Castell lock (with an angular movement 90° clockwise to trap key).
A double Castell interlocking facility suitable for applications such as UPS systems
is available as a special speciﬁcation contact Terasaki Electric Europe, UK.
Facility or full option including locks are available, please specify.
For other lock types contact Terasaki Electric Europe, UK.

Example: Interlock for prevention of parallel feeding from two sources
ACB 3 cannot be closed

ACB 2 cannot be closed

ACB 1 cannot be closed

Source 1

Source 2

Source 1

Source 2

Source 1

Source 2

ACB 1

ACB 2

ACB 1

ACB 2

ACB 1

ACB 2

ACB 3
(bus-tie breaker)

Load 1

ACB 3(bus-tie breaker)

Load 2

Load 1

ACB 3(bus-tie breaker)

Load 2

Load 1

Load 239

4 Speciﬁcations
Mechanical interlock(Contact TERASAKI for details)

Mechanical interlocks for interlocking 2 or 3 ACBs in either horizontal or vertical arrangements are available.
Interlocking is possible between any frame size within the TemPower2 range.
In conjunction with an electrical interlock, it will enhance safety and reliability of power distribution systems.

C Horizontal typeThis table shows the standard pitch between left side ACB  and right side ACB , or between left side ACB  and right side ACB .
Pitch of ACB P (mm) (PC line to PC line)
AR325S!AR332S
AR316H!AR332H
AR440SB3P, 4P

Right ACB AR208S!AR220S
AR212H!AR220H
Left ACB

3P, 4P

AR440S
AR650S!AR663S
AR420H!AR440H (3P only) AR663H
3P, 4P

3P, 4P

AR208S!AR220S
AR212H!AR220H

3P

600, 700, 800

600, 700, 800

600, 700, 800

800, 1000, 1100

4P

600, 700, 800, 900

700, 800, 900

600, 700, 800, 900

900, 1000, 1100

AR325S!AR332S
AR316H!AR332H
AR440SB

3P

600, 700, 800, 900

700, 800, 900

600, 700, 800, 900

900, 1000, 1100

4P

700, 800, 900, 1000

800, 900, 1000

700, 800, 900, 1000

1000, 1100, 1200

AR440S
AR420H!AR440H (3P only)

3P

800, 900, 1000, 1100

900, 1000, 1100

800, 900, 1000, 1100

1100, 1200, 1300

4P

1000, 1100, 1200, 1300

1000, 1100, 1200, 1300

1000, 1100, 1200, 1300

1300, 1400

AR650S!AR663S
AR663H

3P

700, 800, 900, 1000

800, 900, 1000

700, 800, 900, 1000

1000, 1100, 1200

4P

1000, 1100, 1200

1000, 1100, 1200

1000, 1100, 1200

1200, 1300, 1400

Cable

Types and Operations
Operation

Type

Min. R300mm

Type C

1
N

N

Br1

Br2

N

Type B

2


P1



P2

Br1

Br2

Br3


Type $To order, P1 pitch same as P2 pitch. When P1 is different from3

P2 then we available as special specification, select the re-

Br1

Br2

Br3

quired pitch for P1 and P2 from the above table, and specify thetype and number of poles for each ACB.
Type A

Example,Br1

P1: 700 mm
P2: 800 mm
ACB : Type AR212H 3 poles
ACB : Type AR332H 3 poles
ACB : Type AR216H 3 poles

4

A Vertical Typesible.
Specify the reguired pitch when
Maximum is 1200mm.

RodN

Min 550 mm

40

Br2

Br3

ON

OFF

OFF

ON

OFF

OFF

ON
ON
OFF
ON
OFF
OFF
OFF

ON
OFF
ON
OFF
ON
OFF
OFF

OFF
ON
ON
OFF
OFF
ON
OFF

ON

OFF

OFF

OFF

ON

OFF

OFF

OFF

ON

OFF

OFF

OFF

ON

OFF

ON

ON

OFF

OFF

OFF

ON

OFF

OFF

OFF

ON

OFF

OFF

OFF

RemarkOne of two breakers can beturned on.

Br3

One or two of three breakers
can be turned on.

One of three breakers canbe turned on.

Br2 is interlocked with both
Br1 and Br3.

s )NTERLOCK IS ENABLED IN THE #/..%#4%$ POSITION 7HEN THE BREAKER BODY IS
IN THE 4%34 )3/,!4%$ OR $2!7 /54 POSITION INTERLOCK IS DISABLED
s )F ALL OF TWO OR THREE BREAKERS RECEIVE A CLOSING ON SIGNAL THEY ALL WILL TURN OFFThis case, however, involves momentary continuity between the main circuitand the auxiliary switch a-contact in all the breakers.
s 4HE BODY OF A DRAW OUT TYPE BREAKER AS LONG AS IT IS OFF OPEN CAN BE DRAWNOUT OR INSERTED IRRESPECTIVE OF THE STATE OF OTHER BREAKERS $O NOT DRAW OUT
or insert a breaker body during cable installation, adjustment or operation
check).

Minimum pitch (550mm) is pos-ordering.

Br2

Br1

Lifting plate

Control circuit terminal cover

Lifting plates are detachable tools that

A control circuit terminal cover protects

can be used to lift a breaker body out

the terminal blocks for auxiliary switch-of a draw-out cradle.

es, position switches, and control circuits from being accidentally touched,thus enhancing safety.

Door ﬂange
A door ﬂange can be used as a decoration panel that covers the cutout on

ON-OFF button cover f
f 3TANDARD EQUIPMENT

An ON-OFF button cover prevents
INADVERTENT OR UNAUTHORIZED OPERATION OF
the ON or OFF button. It can be lockedwith up to three padlocks with ø6 hasp.

the switchboard panel, and provides
IP20 protection. For IP31 protection
please specify the door flange with agasket.
Note: Door ﬂange can not be ﬁtted withIP cover.

Padlocks are not supplied.

ff : Mount IP20 door ﬂange through 6 mounting holes and IP31 door ﬂange
through 10 mounting holes.

41

4 Speciﬁcations
OFF padlock (OFA)

Inter-pole barrier

Permits the ACB to be padlocked in

An inter-pole barrier prevents a possible short-the OFF position. Max. three padlocks

circuit due to foreign objects entering between

with ø6 hasp can be fitted. Padlock-the poles of the main circuit ter minals oring is possible only when ON-OFF

between the line and load ends, thus enhancing

indicator shows OFF. When the ACB

operational reliability of the ACB.

is padlocked in the OFF position bothThis barrier can be applied to the draw-out

manual and electrial closing become

TYPE !#" WITH VERTICAL TERMINALS OR HORIZONTAL

inoperative, but the charging of theterminals.

closing spring by manual or motor isstill possible.
Note1: OFF padlock facility cannot beﬁtted with key lock or key interlock.

Compatible with IEC61439-2 Form 4
All the models of TemPower2, except for Model AR440SB, comply as standard with
Form 4 speciﬁed in IEC61439-2.
4HE !23" CAN BE CUSTOMIZED TO COMPLY WITH &ORM 

Earthing device
There is a growing demand in L.V. distribution for greater

service device to an earthing device.

protection against electric shock particularly during periods

When the ACB is converted to the earthing device mode, thewhen maintenance work is being carried out on the main

over-current release and the other electrical tripping devices

busbars or cables. A safe and economical way to meet thisare automatically disabled to prevent the remote opening of

REQUIREMENT IS TO APPLY SYSTEM EARTHING VIA THE NORMAL SER-

the ACB.

vice breaker. Earthing devices on TemPower2 ACBs com-

It is recommended that the ON-OFF operating buttons be

prises; Permanent parts which are factory ﬁtted by Terasaki

padlocked to prevent manual opening of the ACB when used

and are mounted on the ACB chassis and body to enable thein the earthing mode.

ACB to receive the portable parts. Portable parts are supplied

Note: UVT function can not be applied to the earthing device.

in loose kit form and are ﬁtted on to the ACB body by the

Earthing device is not avilable for AR6.

customer’s engineer. This converts the ACB from a normal

For further information contact Terasaki for details.

IP coverAn IP cover provides an IP55 grade

P : ACB Front cover center lineCof protection as deﬁned in IEC 60529.
Even if the breaker body is on the

Hook(ø6
Padlocking)

97
Panel
84

ISOLATED position, IP cover can still

6-ø6.5PC
305o0.5

Hinge

Domedcap nut

325

Floor level
for ACB250

286
Gasket

n

42

0
12

Bushing
Insert gasket andbushing when the
IP cover is fixed.

266

Panel Cutout

20o0.5 150o0.5 205o0.5

Panel

30

335

375
10

365

Hexagonsockethead bolt

340

be ﬁtted on the ACB.

8

Operation Environments

Standard environment
The standard environment for ACBs is as follows:
Ambient temperature

Min. permissible storage
temperature –20°C
Max. permissible storage
temperature +60°C

Special environment
Tropicalization (Fungus and moisture treatment)
Specify this treatment when the ACB is used under hightemperature and high-humidity conditions.
Conditions: Max. permissible ambient temperature 60°C
Max. permissible humidity 95% rel.

No condensation
Min. permissible operating
temperature –5°C
Max. permissible operating
temperature +40°C(45°C for marine applications)

No condensation
Cold climate treatment
Specify this treatment when the ACB is used in cold areas.
Conditions: Min. permissible storage temperature –40°C
Max. permissible storage temperature +60°C

The average temperature for 24hours must not exceed 35°C.
Relative humidity

Below 85%

Attitude

Below 2000 m

Atmosphere

Excessive water vapor, oil vapor,smoke, dust, or corrosive gases
must not exist.
Sudden change in temperature,condensation, or icing must not occur.

Vibration

Min. permissible operating temperature –25°C
Max. permissible operating temperature +40°C
No condensation
Anti-corrosion treatment
Specify this treatment when the ACB is used in a corrosive
atmosphere.
Contact Terasaki for details.

The TemPower 2 ACB is designed
to withstand electromagnetic andmechanical vibrations in accordance to IEC 68-2-6. (2-13.2 Hzwith amplitude of +/- 1mm; 13.2 to100Hz with an acceleration of 0.7g).

43

5 Outline Dimensions
tType AR208S, AR212S, AR216S, AR220S,
AR212H, AR216H, AR220H Draw-out type
CP: ACB Front cover center line

Terminal size
Type
AR208S
AR212S
AR216S
AR220S
AR212H
AR216H
AR220H

t1
10
10
20
20
20
20
20

t2
10
10
15
15
15
15
15

t3
15
15
25
25
——
——
——

W
17.5
17.5
22.5
——
——
——
——

CP

rear panel cut

158.5

Maintenancespace

158.5(3P)
243.5(4P)

front panel cut

CP

500

490

460

329

405

335 f2

N

R

11

33

250
164

42.5

30

20

50

6

238

164(3P)249(4P)

177

177(3P)
262(4P)

204

204(3P)
289(4P)For fitted with breaker fixing bolts

panel cut-out

Maintenance
space

240

94
141

s . REPRESENTS THE NEUTRAL POLE OF  POLE !#"SThe neutral pole is positioned to the right as standard whenviewed from the front of the ACB. However, the neutral polecan be customized so that it is positioned to the left.

s 4HE VERTICAL TERMINAL FOR THE MAIN CIRCUIT WITH ITS LENGTH
extended by 70 mm from the standard is specially available
on request.
s &OR THE OUTLINE DRAWING FOR THE VERSION WITH EARTH LEAKAGE
tripping, contact us.

44

Maintenancespace

240(3P)
325(4P)

f1: Conductors including connecting bolts should be^^^^^^^^^^^^^^^^^^
separated min. 7mm from Draw-out arm.
^^^^^^^^^^^^^^^
f2: Panel cut should be 339 mm not 335 mm when the door
ﬂange is used. Refer to page 41.

s &OR (IGH FAULT SERIES VERTICAL TERMINAL IS STANDARD AND
horizontal terminal is optional, and front connection is notavailable.

draw-out handle

120

120(3P)
205(4P)

Mounting holes

4-ø14conductor overlap. max
35

35

P
C

N
85

85

15

85

t3
318
380

15

65

conductor overlap. max
35

515

Front connections

25
50
2-ø11

CONNECTED position

15

85

85

85

15

42.5

M8 screwearth terminal
f1
9

3-ø11
110

33

t2

40
140(3P)
225(4P)
35 conductor overlap. max
15
25

52

N
85

85

85

2-ø11

174

Horizontal terminals

138

265

141
345
385

t1

94

25

40

15.5

W

25

W

17

Vertical terminals

48.5

W

14.5 14.5

25

25 25

W

2-ø11
12
20

N

149

ON-OFF button cover

AR212H
AR216H
AR220S,H
35 conductor overlap. max

15.5

21

18

14

Control circuit terminal cover(optional)
2-ø20 AR208S
AR212S
Lifting
AR216S
hole
35
199

25 25
150.5

TEST position
ISOLATED position385

Draw-out arm(comes out when breaker is drawn out)45

5 Outline Dimensions
tTypes: AR208S, AR212S, AR216S, AR220S, AR212H, AR216H,
CP
AR220H Fixed type
CP: ACB Front cover center line

305.5

27

N

208.5 (3P)
293.5 (4P)

208.5
CP
240

175

240(3P)
325(4P)CP

175(3P)
260(4P)250180

180(3P)
265(4P)

165

165(3P)
250(4P)82

Maintenance space

165

Panel cutout
Terminal size
Type
AR208S
AR212S
AR216S
AR220S
AR212H
AR216H
AR220H

t1
10
10
20
20
20
20
20

t2
10
10
15
15
15
15
15

t3
15
15
25
25
——
——
——

W
17.5
17.5
22.5
——
——
——
——

f2: Panel cut should be 339 mm not 335 mm when the door ﬂange
is used. Refer to page 41.
s . REPRESENTS THE NEUTRAL POLE OF  POLE !#"SThe neutral pole is positioned to the right as standard when viewed from the front of the
ACB. However, the neutral pole can be customized so that it is positioned to the left.
s &OR TYPE !2 ( HIGH FAULT SERIES VERTICAL TERMINALS ARE STANDARD HORIZONTAL TERMINALS ARE
optional and front connections are not available.
s &OR THE OUTLINE DRAWING FOR THE VERSION WITH EARTH LEAKAGE TRIPPING CONTACT US

46

Mounting holes

4-ø14

490

460

238

100

30

33

329

335 f2550N550 (Arc space)

Front panel cut

85

85

85
35

15

N

mountinghole ø142-ø11

Conductor overlap max.

CP

6

305.5

515

227

580

Front connections

28 34

165
305

58

18

AR220S
AR212H
AR216H
AR220H
Control circuit terminal cover (optional)
35 Conductor overlap max.
15

W

W

14.5 14.5

17

15.5

35

267
33

3-ø11

85

85

85

Vertical terminals

25
W

9

t2

2-ø11

M8 screwearth terminal

82

165

118

365

35 Conductor overlap max.

25

52

15

2-ø11
N

85

85

85

t1

174

Horizontal terminals

138

Panel

N

2525

329

12

188.5

35 Conductor overlap max.
15

25 25

2-ø20
Lifting
hole

25
50

AR208S
AR212S
AR216S

25

199
ON-OFFbutton cover

188.5 (3P)
273.5 (4P)

149

165

Main terminal
t3

150.5

102

100

W

37

15.5

Maintenance
space
82

65

10.5

82

165

118

365

47

5 Outline Dimensions
tType AR325S, AR332S,
AR316H, AR320H, AR325H, AR332H Draw-out type
CP: ACB Front cover center lineCPrear panel cut
CP

211.5

Maintenancespace

211.5(3P)
331.5(4P)

front panel cut

500

490

460

329

405

335 f2

N

R

11

250
216

33

60

30

20

50

6

238

216(3P)
336(4P)

panel cutout

230
For fitted withbreaker fixing bolts

257
293

draw-out handle

Maintenance
space
94

Maintenancespace

230(3P)
350(4P)257(3P)377(4P)
293(3P)
413(4P)

141

f1: Conductors including connecting bolts should be^^^^^^^^^^^^^^^^^^
separated min. 7mm from Draw-out arm.
^^^^^^^^^^^^^^^
f2: Panel cut should be 339 mm not 335 mm when the door
ﬂange is used. Refer to page 41.
s . REPRESENTS THE NEUTRAL POLE OF  POLE !#"SThe neutral pole is positioned to the right as standard whenviewed from the front of the ACB. However, the neutral polecan be customized so that it is positioned to the left.
s &OR TYPE !2 ( HIGH FAULT SERIES VERTICAL TERMINALS ARE
standard, horizontal terminals are optional and front
connections are not available.
s 4HE VERTICAL TERMINAL FOR THE MAIN CIRCUIT WITH ITS LENGTH
extended by 70 mm from the standard is specially available
on request.
s &OR THE OUTLINE DRAWING FOR THE VERSION WITH EARTH LEAKAGE
tripping, contact us.

48

4-ø14

172.5

172.5(3P)
292.5(4P)

Mounting holes

3-ø11N

15

conductor overlap. max
35

35

P
C
130

5

130

130

515

Front connections

25
318

88

11.5 25 25

1565

conductor overlap. max
35

83

10

28

21.5

28

21.5

25 25

10

11.5

25 25

25 25

88

83

380
CONNECTED position
Control circuit terminal cover(optional)

TEST position
ISOLATED position
14

P
C

18

199

130

130

130

15

25 25 25

100

4-ø11

120

12.5

ON-OFF button cover

5

N

2-ø20
Lifting hole
35 conductor overlap. max

21

M8 screwearth terminal

48.5

100

65

f1
40

12.5

25 25 25

17

Vertical terminals

165

12.5 12.5

12
20

33

110
40

20
197.5(3P)
317.5(4P)

35 conductor overlap. max
15

P
C
5

80

130

130

130

15

25 25

15

N

385

Horizontal terminals

148

154

30

3-ø11

30

265

141
345
385

25

9
94

Draw-out arm(comes out when breaker is drawn out)49

5 Outline Dimensions
tTypes: AR325S, AR332S, AR316H, AR320H, AR325H, AR332H
CP
Fixed type
CP: ACB Front cover center line

305.5

27

N

261 (3P)
381 (4P)

261
CP
293

CP

228

293(3P)
413(4P)

228(3P)
348(4P)

233

233(3P)
353(4P)

217.5

217.5(3P)
337.5(4P)82

Maintenance space

165

Panel cutout

f2: Panel cut should be 339 mm not 335 mm when the door
ﬂange is used. Refer to page 41.
s . REPRESENTS THE NEUTRAL POLE OF  POLE !#"SThe neutral pole is positioned to the right as standard whenviewed from the front of the ACB. However, the neutral polecan be customized so that it is positioned to the left.
s &OR TYPE !2 ( HIGH FAULT SERIES VERTICAL TERMINALS ARE
standard, horizontal terminals are optional and front
connections are not available.
s &OR THE OUTLINE DRAWING FOR THE VERSION WITH EARTH LEAKAGE
tripping, contact us.

50

Mounting holes

4-ø14

490

460
238

100

250

30

33

329

335 f2550N550 (Arc space)

Front panel cut

5

130

130

130

28

21.5

11.5

3-ø11

mountinghole ø14

35
Conductor overlap max.

N

15

P
C

6

65

305.5

227

580

515

Front connections

Maintenancespace

ON-OFFbutton cover

37

100

82

165
305

102

165

28 34

10

Main terminal

25 25 11.5
21.5 25 25 28
10
88
83
25 25
25 25
83
88

58 25 10.5

241 (3P)
361 (4P)
Control circuit terminal cover (optional)
35 Conductor overlap max.
2-ø20
15
Lifting
hole

241
P
C
5

N
130

130

130

165

12.5

35

33

267

100

9

Vertical terminals
120

12.5 12.5

17252525

329

12

100

2525 25

12.5

18

199

20
4-ø11

82

165
365

118

M8 screwearth terminal80

15 25 25

15

35 Conductor overlap max.
15

3-ø11

P
C
5

N

30

130

130

130

154

Horizontal terminals

148

Panel

82

165

118

365

51

5 Outline Dimensions
tTypes: AR440SB Draw-out type
CP: ACB Front cover center line

Rear panel cut
Front panel cut

CP

211.5(3P)
331.5(4P)

211.5

P
C

Maintenance space

500

490

460

329

425

335 f2

N

R

11

2

30

60

250
216

33

50

6

238
216(3P)
336(4P)draw-out handle
230(3P)
350(4P)257(3P)377(4P)

230

Panel cutout
For fitted withbreaker fixing bolts

257

293(3P)
413(4P)

293

Maintenance space

141

94

Maintenance space

4-ø14
172.5

172.5(3P)
292.5(4P)

Mounting holef2: Panel cut should be 339 mm not 335 mm when the door
ﬂange is used. Refer to page 41.
s . REPRESENTS THE NEUTRAL POLE OF  POLE !#"S

52

Control circuit terminal cover (optional)

CONNECTED position
TEST position

N

21

130

P
C

160

160

4-ø11
17.5
35 35 35

141

20

94

140

51

90

17

185

80

12
20

110

22

M8 screwearth terminal(only right side)

Rear panel

29

29

15
65

345
265

5

17.5

289

ON-OFFbutton cover

Front panel211(3P)
331(4P)48 (conductor overlap max.)

18

ISOLATED position
14

2-ø20
Lifting hole485

422(3P)
542(4P)

20
L-Angle Steel to prevent ACB to fall down
(Mounting holes not required)53

5 Outline Dimensions
tTypes: AR440S, AR420H (3 poles only), AR440H (3 poles only)
Draw-out type
CP: ACB Front cover center line

Rear panel cut
P
158.5 C

Front panel cut

Maintenancespace435.5(3P)
605.5(4P)

P
C

250
164

Panel cutout

f1: Conductors including connecting bolts should be^^^^^^^^^^^^^^^^^^
separated min. 7mm from Draw-out arm.
^^^^^^^^^^^^^^^
f2: Panel cut should be 339 mm not 335 mm when the door
ﬂange is used. Refer to page 41.
s . REPRESENTS THE NEUTRAL POLE OF  POLE !#"S
s !2( AND !2( ARE  POLES ONLY

54

177

454(3P)624(4P)204

481(3P)
651(4P)240

517(3P)
687(4P)

Maintenance
space

500

490

460

329

draw-out handle

238

441(3P)
611(4P)For fitted with breaker fixing bolts
Maintenance space

33

R1
42.5

50

405
20

16

335 ¶230N42.5(3P)
48(4P)

15

181

181

P
C

CONNECTED position

15

181

50

Control circuit terminal cover(optional)

TEST position
ISOLATED position
21
2-ø20

P
C

40 (conductor overlap max.)

199

417(3P)587(4P)

18

20

100

40

165

120

25
100

¶1

25

12.5

17

25 25 25

12.5 12.5

25

12
20

42.5

N

25

12.5

4-ø11

48.5

14

ON-OFFbutton cover

Front panel

M8 screwearth terminal

295

40

428
94

141

9
33

375

193

Rear panel

Draw-out arm(comes out when breaker is drawn out)

397(3P)567(4P)

4-ø14

120

P
C

55

5 Outline Dimensions
tTypes: AR650S, AR663S AR663H Draw-out type
CP: ACB Front cover center line

P
C

N

57.5

18

80

18
27

235

235

235

Rear panel cut

PC

Front panel cut

PC
320(3P)
555(4P)

435

460

335 f2

N

R

50

11

30

2

65

6

250

435

60

M8 screwearth terminal

draw-out handle

238

305.5(3P)
540.5(4P)

457

320(3P)
555(4P)

520

342(3P)577(4P)405(3P)640(4P)
Maintenance space

Panel cutout

166

94

Front panel

277.5(3P)
512.5(4P)

392.5

Mounting holef2: Panel cut should be 339 mm not 335 mm when the door
ﬂange is used. Refer to page 41.
s . REPRESENTS THE NEUTRAL POLE OF  POLE !#"S

56

4-ø14

Control circuit terminal cover (optional)
CONNECTED position
TEST position
ISOLATED position
ON-OFFbutton cover

14

2X2-ø20
Lifting hole

21
255

95

35 (conductor overlap max.)
15

23

Maintenance space80
165

30 30 30
120

15

15

17

15 30 30 30

329

12

33
Front panel

308

380

30

Rear panel

440

M8 screwearth terminal

2

460

500

490

21

120

15

4-φ11

Rear panel

Details57

6 Connection
1

Conductors connection area

Connect conductors to the main circuit terminals in the conductor connection.
Insulation distance of conductor connection area and earth metal is more than 12.5mm.

s 4YPES AR208S, AR212S, AR216S, AR220S, AR212H, AR220H
N Vertical terminals 3P

N Vertical terminals 4P

Right side view

Back view

64

20
8

64

Right side view

Back view

20

64

64

64

64

52.5
67

67

52.5

52.5

120 18 18

52.5

18
18
120

17

17

17

N Horizontal terminals 3P
Right side view

Back view

20

60

60

Right side view

Back view

20

60

60

60

60

60

59.5

59.5

120 18 18 120

67

67

59.5

59.5

120 18 18 120

8

15

15

15

15

N Front connections 3P

N Front connections 4P
Back view
60

Back view

60

60

20

60

Right side view

20

Right side view

20

17

N Horizontal terminals 4P

8

58

64

120

120

8

20

60

60

60

s 4YPES AR325S, AR332S, AR316H, AR320H, AR325H, AR332H
N Vertical terminals 4P

15

Back view
20
8

15

Right side view
8
20

Back view
20
8

Right side view

15

15

8
20

N Vertical terminals 3P

20

20
104

104

104

104

104

104

50.5

120

50.5
67

67

120

50.5

120 18

18

50.5

18

18

104

8

120

8

17

17
17

17

N Horizontal terminals 3P

N Horizontal terminals 4P

Right side view

Back view

20

104

104

Right side view

Back view

20

104

8

104

104

104

104

55

28 85

55

85 28

67

67

55

85 28

55

28 85

8

17

17

17
17

N Front connections 3P
Right side view

N Front connections 4P
Back view
100

Back view
104

104

102

102

104

20

20

104

Right side view

50 54

50 54
50 50
20

50 52
54 50

20

52 50
54 50

59

6 Connections 4YPES AR440S, AR420H, AR440H
N Vertical terminals 3P
Right side view

Back view

40

149

149

67

38

38

149

6

17

N Vertical terminals 4P
Right side view

Back view

40

149

149

149

67

38

38

149

11.5
11.5

60

s 4YPE AR440SB
N Vertical terminals 3P
Right side view

Back view

134

134

134

44.5

44.5

28

N Vertical terminals 4P
Right side view

Back view
52
52
67

67
134

134

44.5

44.5

28

61

6 Connections 4YPES AR650S, AR663S, AR663H
N Vertical terminals 3P
Right side view

Back view

20

200

200

37.5 37.5

200

N Vertical terminals 4P
Right side view

Back view20

37.5 37.5

200

62

200

200

200

2

Busbars connection

When two busbars are connected to a terminal stud of the ACB, sandwich the terminal stud between the two busbars to utilize
both surfaces of the terminal. A spring and plain washer must be used in conjunction with the busbar bolt and nut as below.

BusbarSpring washer
Plain washer
Busbar

ACB terminal

ACB terminal

Spring washer
Plain washer
BusbarPlain washer

Plain washer

In case of 1 terminal per pole3

In case of 2 terminals per pole

Recommendation for Busbars connection

The busbars to the ACB should be ﬁrmly supported near the ACB terminal. Fault currents ﬂow through the busbars developing alarge electromagnetic force between the busbars. The support must be strong enough to withstand such forces and ensure theenough insulating distance. The ACB should not be relied on as a single support.

Busbar support

BusbarBusbarACB

ACB

Busbar support

BusbarACB

Busbar support

L

L

L

Horizontal terminals

Vertical terminals

Vertical terminals

The maximum distance of the connection point of ACB to the ﬁrst busbar support
Short-circuit current (kA)Distance
L (mm)

30

50

65

80

100

120

135

AR2

300

250

150

150

—

—

—

AR3

350

300

250

150

150

—

—

AR440SB

350

300

250

150

100

—

—

AR440S, AR420H, AR440H

350

300

250

150

150

100

—

AR6

350

300

250

150

150

150

150

63

7 Circuit Diagram (with AGR-11B OCR)
Main circuit

CT forneutral line

Continuously-rated
shunt trip

f3 Motor charging/Operation

Operation circuit

*<+
!

f1
ON switch
PB







*<+
!
PB



Springcharge
OFF
S1

S3

CT1

CT3

Over-current release(type AGR-11B OCR)
M

Ry

LRC

SHT f2


f3



S2
MHT

CT2

 
K

CT forneutral line
L





!
*=+

!
*=+

Symbols for accessories

Check OCR voltage before connecting.

WPControl power supply AC100 - 240V, DC100 - 250V, DC24V, DC48VOOperation switch, common
WON switch
WOperation indication terminal, common
OOCR trip indication or single-contact trip indication (40ms signal)
OTrip indication (not ready indication)PSpring charge indicator
UVT power supply
OPContinuously-rated shunt trip
Term. AC 100V AC 200V AC 400V AC 450V
No.
unit
unit
unit
unit
OSeparate CT for neutral line ( k )W W 100V 200V 380V 450V
PSeparate CT for neutral line (3)O W 110V 220V 415V 480V
W,O,PUVT power supplyP W 120V 240V 440V 400VWUVT power supply common
Term.
No.

W W

64



X
3

Terminal descriptions $O NOT EXCEED SPECIlED VOLTAGESk

DC 24V
unit
24V

DC 48V DC 100V DC 110V
unit
unit
unit
48V
100V 110V

CT1 - CT3 : Power CTs
S1 - S3: Current sensors
M: Charging motor
LRC: Latch release coil
MHT
: Magnetic Hold Trigger
Isolating terminal connector(for draw-out type)
Manual connector
User wiring
X
Relay or indicator lamp
f1: Do not connect “b”contact of auxiliary switch to ON switch inseries, otherwise, pumping may occur.
f2: See page 22 for the circuit diagram of the continuously-rated
shunt trip device with capacitor trip device.
f3: For motor split circuit, terminals W, P and W, W are used forcharging and closing operation respectively.
(Please specify when ordering)
f4: Refer to page 23 (short pulse only)
f5: Only one of terminals W, O, P must be used as this is asingle phase UVT.
f6: Do not use these terminals for other circuits when bothinstantaneously rated shunt trip and UVT are fitted.
These terminals are used by Terasaki as the anti-burnout
SW for the instantaneously rated shunt trip.
Note: In case of a UVT and a Shunt fitted together or Double
opening or closing coil, use an aux. switch to prevent
burnout. Contact TERASAKI for wiring.

Undervoltage trip

Position switches

Auxiliary switches

UVT power supply
Common f5
PB
*+
*<+
! ! ! !

f4

Basic
4C

Optional
3C

Optional
3C

f6




 

 

























UVT control circuit

UVT       

Designation of terminals for auxiliary and position switches* * *1: Common
2: b-contact
4: a-contact
1: Auxiliary switch
2: Position switch (for CONNECTED)
3: Position switch (for TEST)
4: Position switch (for ISOLATED)
5: Position switch (for INSERT)                 

Position switches

Operation/control circuitsTop   Middle    
Bottom                           





Top
 
Middle  
Bottom  

numbers( 1A,–B,0:C:Switch
Auxiliary switches for microload
CONNECTED position : 121–124 ON
121–122 OFF
TEST position: 131–134 ON
131–132 OFF
ISOLATED position: 141–144 ON
141–142 OFF
INSERT position: 151–154 ON
151–152 OFF
For operation sequence of
position switches, see page 19.

Auxiliary switches(4c + optional 6c arrangement)                       


(4c arrangement)          65

7 Circuit Diagram (with AGR-21B OCR)
Main circuit

CT forneutral line

Controlpower

f3 Motor charging/Operation

Continuously-rated
shunt trip

Operation circuit

*<+
!

*<+
!

f1
ON switch
PB

*<+
*<+
! !







PB



Springcharge
OFF
S1

S3

CT1

CT3

Over-current release(type AGR-21B OCR)
M

Ry

LRC

SHT f2

S2
MHT

CT2

 
K



 

 





X

X

X

X

X

X





X

3

Terminal description

!
*=+
!
*=+

Manual connection         

WPControl power supply AC200 - 240V, DC200 - 250V, DC48V
WOControl power supply AC100 - 120VOPControl power supply DC100 - 125V, DC24VWPControl power supply AC100 - 240V, DC100 - 250V, DC24V, DC48VOOperation switch, common
WON switch
WOperation indication terminal, common
OLT trip indication
PST, INST trip indication
WPTA indicationOGF trip indication
PSystem alarm indication
OREF, NS or trip indicationPSpring charge indication
OPContinuously-rated shunt trip
OSeparate CT for neutral line ( k )

!
*=+
 

Symbols for accessories

Check OCR voltage before connecting.

66



f3

CT forneutral lineLkPSeparate CT for neutral line (3)W,O,PUVT power supply
WUVT power supply common
QSeparate CT for REF ( k )QSeparate CT for REF (3)RCommunication line (–)
RCommunication line (+)
QCommunication line (common)s $O NOT EXCEED SPECIlED VOLTAGESUVT power supply

Term.
No.

AC 100V AC 200V AC 400V AC 450V
unit
unit
unit
unit
W 100V 200V 380V 450VWO W 110V
P W 120V
Term.
No.

W W

220V

415V

480V

240V

440V

400V

DC 24V DC 48V DC 100V DC 110V
unit
unit
unit
unit
24V
48V 100V 110V

CT1 - CT3 : Power CTs
S1 - S3: Current sensors
M: Charging motor
LRC: Latch release coil
MHT
: Magnetic Hold Trigger

X

Isolating terminal connector (for draw-out type)
Manual connector
User wiring
Relay or indicator lamp

f1: Do not connect “b”contact of auxiliary switch to ON
switch in series, otherwise, pumping may occur.
f2: See page 22 for the circuit diagram of thecontinuously-rated shunt trip device with capacitor trip
device.
f3: For motor split circuit, terminals W, P and W, W areused for charging and closing operation respectively.
(Please specify when ordering)
f4: Refer to page 23 (short pulse only)
f5: Only one of terminals W, O, P must be used as
this is a single phase UVT.
f6: Do not use these terminals for other circuits when bothinstantaneously rated shunt trip and UVT are fitted.
These terminals are used by Terasaki as the antiburnout SW for the instantaneously rated shunt trip.
Note: In case of a UVT and a Shunt fitted together or
Double opening or closing coil, use an aux. switch toprevent burnout. Contact TERASAKI for wiring.

Undervoltage trip

Position switches

Auxiliary switches

UVT power supply
Common f5
PB
*+
*<+
! ! ! !

f4

Basic
4C

Optional
3C

Optional
3C

f6




 

 

























UVT control circuit

UVT       

Designation of terminals for auxiliary and position switches* * *1: Common
2: b-contact
4: a-contact
1: Auxiliary switch
2: Position switch (for CONNECTED)
3: Position switch (for TEST)
4: Position switch (for ISOLATED)
5: Position switch (for INSERT)                 

Position switches

Operation/control circuitsTop   Middle    
Bottom                           





Top
 
Middle  
Bottom  

numbers( 1A,–B,0:C:Switch
Auxiliary switches for microload
CONNECTED position : 121–124 ON
121–122 OFF
TEST position: 131–134 ON
131–132 OFF
ISOLATED position: 141–144 ON
141–142 OFF
INSERT position: 151–154 ON
151–152 OFF
For operation sequence of
position switches, see page 19.

Auxiliary switches(4c + optional 6c arrangement)                       


(4c arrangement)                      Manual connection
If the ground fault protection on the line side or communication function isincorporated, control circuit terminals are of manual connection type.

67

7 Circuit Diagram (with AGR-22B,31B OCR)
Main circuit voltage for Control
Main circuit RPT
and Monitoring power power

Operation circuit*<+!

R S T N Continuously-rated
shunt trip

f3 Motor charging/Operation

f1
ON switch
PB

*<+
*<+
! !









*<+
!
PB



Springcharge
OFF
S1

S3

CT1

CT3

Over-current release(type AGR-22B, 31B OCR)
M

Ry

LRC

SHT f2


f3



S2
MHT

CT2

 
K





 





X

X

X

X

X

X

CT forneutral line
L

 

X

3

Terminal description

!
*=+
!
*=+

Manual connection         

WPControl power supply AC200 - 240V, DC200 - 250V, DC48V
WOControl power supply AC100 - 120VOPControl power supply DC100 - 125V, DC24VWPControl power supply AC100 - 240V, DC100 - 250V, DC24V, DC48VOOperation switch, common
WON switch
WOperation indication terminal, common
OLT trip indication
PST, INST trip indication
WPTA indicationOGF trip indication or RPT trip indication or ELT trip indication
PSystem alarm indication
OREF, OH, NS or trip indication
PPTA2, UV or spring charge indication
OPContinuously-rated shunt trip
OSeparate CT for neutral line ( k )

!
*=+
 

Symbols for accessories

Check OCR voltage before connecting.

68



k

PSeparate CT for neutral line (3)W,O,PUVT power supply
WUVT power supply common
QSeparate CT for REF ( k )QSeparate CT for REF (3)RCommunication line (–)
RCommunication line (+)
QCommunication line (common)s $O NOT EXCEED SPECIlED VOLTAGESUVT power supply
Term. AC 100V AC 200V AC 400V AC 450V
No.
unit
unit
unit
unit
W W 100V 200V 380V 450VO W 110V
P W 120V
Term.
No.

W W

220V

415V

480V

240V

440V

400V

DC 24V DC 48V DC 100V DC 110V
unit
unit
unit
unit
24V
48V 100V 110V

CT1 - CT3 : Power CTs
S1 - S3: Current sensors
M: Charging motor
LRC: Latch release coil
MHT
: Magnetic Hold Trigger

X

Isolating terminal connector (for draw-out type)
Manual connector
User wiring
Relay or indicator lamp

f1: Do not connect “b”contact of auxiliary switch to ON
switch in series, otherwise, pumping may occur.
f2: See page 22 for the circuit diagram of thecontinuously-rated shunt trip device with capacitor trip
device.
f3: For motor split circuit, terminals W, P and W, W areused for charging and closing operation respectively.
(Please specify when ordering)
f4: Refer to page 23 (short pulse only)
f5: Only one of terminals W, O, P must be used as
this is a single phase UVT.
f6: Do not use these terminals for other circuits when bothinstantaneously rated shunt trip and UVT are fitted.
These terminals are used by Terasaki as the antiburnout SW for the instantaneously rated shunt trip.
Note: In case of a UVT and a Shunt fitted together or
Double opening or closing coil, use an aux. switch toprevent burnout. Contact TERASAKI for wiring.

Undervoltage trip

Position switches

Auxiliary switches

UVT power supply
Common f5
PB
*+
*<+
! ! ! !

f4

Basic
4C

Optional
3C

Optional
3C

f6




 

 

























UVT control circuit

UVT       

Designation of terminals for auxiliary and position switches* * *1: Common
2: b-contact
4: a-contact
1: Auxiliary switch
2: Position switch (for CONNECTED)
3: Position switch (for TEST)
4: Position switch (for ISOLATED)
5: Position switch (for INSERT)                 

Position switches

Operation/control circuitsTop   Middle    
Bottom                           





Top
 
Middle  
Bottom  

numbers( 1A,–B,0:C:Switch
Auxiliary switches for microload
CONNECTED position : 121–124 ON
121–122 OFF
TEST position: 131–134 ON
131–132 OFF
ISOLATED position: 141–144 ON
141–142 OFF
INSERT position: 151–154 ON
151–152 OFF
For operation sequence of
position switches, see page 19.

Auxiliary switches(4c + optional 6c arrangement)                       


(4c arrangement)                      Manual connection
If the ground fault protection is incorporated and a separate current transformer
for neutral line is used, or any one of ground fault protection on the line side,zone interlock or communication function is incorporated, control circuit
terminals are of manual connection type.

69

8 Technical Data
Dielectric strength
Withstand voltage (at 50/60 Hz)

Main circuit

Between terminals,
terminal group to earth

Control circuits

Circuit

Auxiliary switches

Rated Impulse withstandvoltage Uimp
AC3500V for 1 minute

12kV

For general service

Terminal group to earth

AC2500V for 1 minute

6kV

For microload

Terminal group to earth

AC2000V for 1 minute

4kV

Position switches

Terminal group to earth

AC2000V for 1 minute

4kV

Over-current release (OCR)

Terminal group to earth

AC2000V for 1 minute

4kVPower supply for undervoltage/
reverse power trip function

Terminal group to earth

AC2500V for 1 minute

6kV

Terminal group to earth

AC2000V for 1 minute

4kV

Other accessories

Note: The values shown above are those measured on phase connections and cannot be applied to control terminals on the ACB.

Internal resistance and power consumptions 3TANDARD 3ERIES
Type

AR208S AR212S AR216S AR220S AR325S AR332S AR440SB AR440S AR650S AR663S

Rated current (A)

800

1250

1600

2000

2500

3200

4000

4000

5000

6300

DC internal resistance per pole (m7)

0.033

0.033

0.028

0.024

0.014

0.014

0.017

0.014

0.012

0.010

Power consumption for 3 poles (W)

64

155

215

288

263

430

816

672

900

1190

s (IGH FAULT 3ERIESType

AR212H AR216H AR220H AR316H AR320H AR325H

AR332H

AR420H AR440H AR663H

Rated current (A)

1250

1600

2000

1600

2000

2500

3200

2000

4000

6300

DC internal resistance per pole (m7)

0.024

0.024

0.024

0.014

0.014

0.014

0.014

0.014

0.014

0.010

Power consumption for 3 poles (W)

113

184

288

108

168

263

430

168

672

1190

Note: Above ﬁgures are based on the calculation of 3I2R. For more information please contact TERASAKI.

The max. rated current [In] depends on the main circuit terminal arrangement
Ambient temperature 40 °C
JIS C 8201-2-1 Ann.1
IEC60947-2, EN60947-2
AS3947.2
Terminal arrangement

ANSI C37.13
NEMA, SG-3

Type

Horizontal
terminals

Verticalterminals

Front
connections

Horizontal
terminals

Verticalterminals

Front
connections

AR208S
AR212S
AR216S
AR220S
AR325S
AR332S
AR440SB
AR440S
AR650S
AR663S
AR212H
AR216H
AR220H
AR316H
AR320H
AR325H
AR332H
AR420H
AR440H
AR663H

800
1250
1600
2000
2430
2790
—
—
—
—
1250
1600
2000
1600
2000
2430
2790
—
—
—

800
1250
1600
2000
2500
3200
4000
4000
5000
6300
1250
1600
2000
1600
2000
2500
3200
2000
4000
6300

800
1250
1600
2000
2500
3150
—
—
—
—
—
—
—
—
—
—
—
—
—
—

800
1250
1540
1670
2230
2700
—
—
—
—
1250
1540
1670
1600
2000
2230
2700
—
—
—

800
1250
1600
2000
2500
3200
3310
3700
4700
5680
1250
1600
2000
1600
2000
2500
3200
¶
3700
5680

800
1250
1570
1830
2430
2890
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Based
Standard

Terminal arrangement

Note 1: If different type of terminal arrangement are used for line and load sides refer to the ratings for the horizontal terminals.
Note 2: Front connection can not be speciﬁed with the different types of terminal arrangement for line and load sides.
f: Contact TERASAKI for the details.

70Deratings 3TANDARD 3ERIES
BasedStandards

Ambient Type!23temperature Connecting 2X50X5t(°C)
bar sizes!23!23

2X80X5t

2X100X5t 3X100X5t 2X100X10t 3X100X10t 4X150X10t 4X150X6t 3X200X10t 4X200X10t!23!23!23!23" !23!23!23

800

1250

1600

2000

2500

3200

4000

4000

5000

6300

800

1250

1600

2000

2500

3200

4000

4000

5000

6300

JIS C 8201-2-1 40 (Standard ambient
temperature)
Ann.1
IEC60947-2
45
EN 60947-2
50
AS3947.2
55

800

1250

1600

2000

2500

3200

3940

4000

4950

6000

800

1200

1540

1820

2500

2990

3820

3940

4710

5680

60

800

1150

1460

1740

2400

2850

3690

3760

4450

5370

40 (Standard ambient 800
temperature)

1250

1540

2000

2500

3200

3310

3700

4700

5680

NEMA, SG-3
ANSI C37.13

45

800

1190

1470

1960

2500

3010

3200

3580

4450

5370

50

800

1130

1390

1860

2440

2860

3100

3470

4180

5050

55

790

1070

1310

1750

2300

2690

2980

3350

3900

4710

60

740

1000

1230

1640

2150

2520

2870

3140

3610

4350

Note: The values are applicable for both Draw-out type and Fixed type.
The values of AR208S, AR212S and AR216S are for horizontal terminals on both line and load side.
The values of AR220S, AR325S, AR332S, AR440SB, AR440S, AR650S and AR663S are for vertical terminals on both line and load side.
Above ﬁgures are subject to the design of the enclosure and rating of busbar.

s (IGH FAULT 3ERIES
BasedStandards

Ambient Type!2(
temperature Connecting 2X80X5t(°C)
bar sizes!2(!2(!2(!2(!2(!2(!2(!2(!2(

2X100X5t 3X100X5t 2X100X5t 3X100X5t 2X100X10t 3X100X10t 3X100X5t 4X150X6t 4X200X10t

JIS C 8201-2-1 40 (Standard ambient
temperature)
Ann.1
IEC60947-2
45
EN 60947-2
50
AS3947.2
55

1250

1600

2000

1600

2000

2500

3200

2000

4000

6000

1250

1600

1820

1600

2000

2500

2990

2000

3940

5680

60

1250

1550

1740

1600

2000

2400

2850

2000

3760

5370

40 (Standard ambient 1250
temperature)

1600

2000

1600

2000

2500

3200

2000

3700

5680

NEMA, SG-3
ANSI C37.13

1250

1600

2000

1600

2000

2500

3200

2000

4000

6300

1250

1600

2000

1600

2000

2500

3200

2000

4000

6300

45

1250

1600

1960

1600

2000

2500

3010

2000

3580

5370

50

1250

1600

1860

1600

2000

2440

2860

2000

3470

5050

55

1250

1510

1750

1600

1950

2300

2690

2000

3350

4710

60

1240

1420

1640

1550

1830

2150

2520

2000

3140

4350

Note: The values are applicable for both Draw-out type and Fixed type.
The values are for vertical terminals on both line and load side.
Above ﬁgures are subject to the design of the enclosure and rating of busbar.

71

8 Technical Data
7HAT )S $ISCRIMINATION
Discrimination, also called selectivity, is the co-ordination of protective devices such that afault is cleared by the protective device installed immediately upstream of the fault, and bythat device alone.

X

Total discrimination
Discrimination is said to be total if the downstream circuit breaker opens and the upstream
circuit breaker remains closed. This ensures maximum availability of the system.

Partial discrimination
Discrimination is partial if the above condition is not fulﬁled up to the prospective short-circuit

upstream
circuitbreakerX
downstream
circuitbreakercurrent, but to a lesser value, termed the selectivity limit current (Is).
Above this value both circuit breakers could open, resulting in loss of selectivity

fault
current(OW 4O 2EAD 4HE $ISCRIMINATION 4ABLES
Boxes containing the letter “T” indicate total discrimination between the relevant upstream and downstream circuit-breakers. Total
discrimination applies for all fault levels up to the breaking capacity of the upstream or the downstream circuit breaker, whicheveris the lesser.
For the other boxes, discrimination is either partial or there is no discrimination.
Worked Examples
Q (1) A main switchboard requires a 1600A ACB feeding a 400A MCCB.The fault level is 65kA. What combination ofprotective devices would provide total discrimination?
A (1) A TemPower2 ACB AR216S feeding a TemBreak2 S400GJ would provide total discrimination up to 65kA. See page 73
Note: Discrimination would be total whether the TemPower2 ACB had an integral or external protection relay because Icw(1s) = Ics Most other ACBs have Icw(1s) < Ics.

72

Discrimination Table
Upsream: TemPower2 ACB with or without Integral Protection Relay
Downstream: TemBreak2 MCCB
Upstream ACB

Breaking
Capacity 65kA 65kA 80kA 65kA

Downstream MCCB

80kA 100kA 65kA 80kA 100A

AR663H

6300A

AR663S

AR650S

4000A 5000A

AR440SB

AR332H

3200A

AR332S

AR325H

AR325S

2500A

AR320H

AR220H

AR220S

2000A

AR316H

AR216H

1600A

AR216S

Model

AR212H

AR208S

Frame

1250A

AR212S

800A

85kA 100kA 85kA 100kA 100kA 120kA 120kA 135kA

125A

E125NJ
S125NJ
S125GJ
H125NJ
L125NJ

25kA
36kA
65kA
125kA
200kA

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

T
T
T
T
T

160A/
250A

S160NJ
S160GJ
E250NJ
S250NJ
S250GJ
S250PE
H250NJ
L250NJ

36kA
65kA
25kA
36kA
65kA
70kA
125kA
200KA

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T

400A/
630A

E400NJ
S400CJ
S400NJ
S400NE
S400GJ
S400GE
S400PJ
S400PE
H400NJ
H400NE
E630NE
S630CE
S630GE

25kA
36kA
50kA
50kA
70kA
70kA
85kA
85kA
125kA
125kA
36kA
50kA
70kA

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

T
T
T
T
T
T
T
T
T
T
T
T
T

800A

S800-CJ
S800-NJ
S800-RJ
S800-NE
S800-RE
H800-NE
L800-NE

36kA
50kA
70kA
50kA
70kA
125kA
200kA

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

T
T
T
T
T
T
T

1000A

S1000-SE
S1000-NE

50kA
70kA

-

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

1250A

S1250-SE
S1250-NE
S1250-GE

50kA
70kA
100kA

-

T
T
T

T
T
T

T
T
T

T
T
T

T
T
T

T
T
T

T
T
T

T
T
T

T
T
T

T
T
T

T
T
T

T
T
T

T
T
T

T
T
T

T
T
T

T
T
T

1600A

S1600-SE
S1600-NE

50kA
100kA

-

-

-

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

T
T

Notes: 1. All ACB’s have Ii set at NON, MCR ON.
2. Assuming ACB time settings are greater than MCCB.
3. The above table is in accordance with IEC 60947-2, Annex A.

4. External relay can be used - Contact Terasaki for further details.
5. All values shown at 400V AC.

T= Total Selectivity73

8 Technical Data
$ISCRIMINATION WITH @4 TYPE FUSES
The following table should be used as a guide when selecting Terasaki TemPower2 Air Circuit Breakers and fuses (BS88/
IEC60269) which are immediately downstream from a transformer.
In and IR are set to the full rated current of the transformer, and tR, Isd and tsd are at standard transformer settings.
Listed are the maximum fuse ratings that can be used when downstream from a given ACB at these settings.
Also included are the maximum fuse ratings that can be used downstream when tR, Isd and tsd are at their maximum settings.
All information listed is based on a transformer secondary voltage of 415V.

> The above ‘In’ settings are based on 100% of Rated Current (Ict).
> Table Reference : IR - Long Time Delay Pickup Current, tR - Long Time Delay Time Setting, Isd - Short Time Delay Pickup Current, tsd - Short Time Delay Time Setting.

Notes:
Note:1 It is possible to increase the maximum fuse rating by utilising the ‘ramp’ facility on the on the TemPower2 Protection Relay (AGR).
Note:2 Information on fuses above 1250A rating was not available.
Note:3 All ACBs have Ii (Instantanious) set to NON. (MCR can be set to ON)
Please note the above table is meant only for guidance, individual installations should have a speciﬁc discrimination study undertaken.

74

!CCESSORIES &OR $UAL 3UPPLY #HANGEOVER 3YSTEMS
TemTransfer 2 !UTOMATIC #HANGEOVER #ONTROLLER
TemTransfer 2 is fully conﬁgurable Automatic Changeover Controller (ACC) for use in standby power applications.
The module will monitor the voltage and frequency of the incoming AC mains (utility) supply and in the event of a
failure will issue a start command to the generator control system.
The controller (ACC) is designed to monitor the incoming AC mains supply (1 or 3 phases) for under/over voltage
and under/over frequency. Should any of the parameters fall out of limit, the module will issue a command to thegenerating set controller. Once the generator set is available and producing an output within limits, TemTransfer 2
will control the transfer device and switch the load from the mains (utility) to the generating set.
When the mains (utility) supply returns to within limits, the module will command a return to the mains (utility)
supply and shut down the generator after a suitable cooling run. Various timing sequences are available to prevent
nuisance starting or unnecessary supply breaks.

TemTransfer 2 Product Features
TemTransfer 2’s back-lit LCD shows system status and indicates any system warnings via a 4 line text display.
Red and green LEDs indicate the operational status of the network. The module can be easily conﬁgured by using
TemTransfer 2 Conﬁguration Suite PC Software, via an interface kit (optional).
s "ACK LIT ,#$ WITH  LINE TEXT DISPLAY

s  CONlGURABLE OUTPUTSs 2EAL TIME CLOCKs  CONlGURABLE INPUTS

s 0#  &RONT PANEL CONlGURATION

s %VENT LOG

s 6OLT FREE RELAYS

s !UTO START INHIBIT

s #ONlGURABLE TIMERS

s ,OAD INHIBIT

Supporting many different topologies, conﬁgurable timers, volt-free digital inputs and outputs make the
TemTransfer 2 controller a fully ﬂexible solution to suit a wide variety of applications.

759Order Form

PAGE 1 OF 2

Fixed and Drawout Pattern ACB's AR208 to AR663 (800A to 6300A)
COMPANY NAME:EMAIL ADDRESS:CONTACT NAME:ORDER NUMBER:TELEPHONE NUMBER:

QUANTITY:

FAX NUMBER:

DELIVERY TIME REQUEST :1.TemPower 2 ACB: Enter your choice in the boxes provided (Refer to the catalogue for ratings and specfications)TERASAKI ACB TYPE

FOR EXAMPLE -

AR

AR

325

'H' TYPES ARE ONLY AVAILABLE ON 1250A TO 3200A ACBS
AND 'SB' TYPE ON THE 4000A ACBENTER CIRCUIT BREAKER TYPE - Type S, H or SB
ENTER RATED CURRENT - Amps
ENTER SENSOR KIT RATING - Ict

ONLY ENTER A VALUE IF DIFFERENT FROM RATED CURRENTENTER NUMBER OF POLES

2.Type of Mounting, Connections and Shutters: Tick required boxes.
Fixed Pattern.

Drawout Pattern.

Not available on AR4 & AR6 ACBs

Horizontal

Vertical

Front

Control Circuit Terminal CoverTop - Connections.

Main Circuit Shutters

Bottom - Connections.

Control Circuit Shutters
For AR4 & AR6 ACBs only vertical connections are available

3.AGR - Protection Relay and Protection Options: Tick required boxes.
Non Automatic.

Go to Section 4 - Indication

AGR-11B

AGR-21/22B

AGR-31B

Economy Protection - Dial

Standard Protection - LCD

Enhanced Protection - LCD

Protection Functions

AGR-11BL

AGR-21BL AGR-21BR AGR-21BS AGR-22BS AGR-31BL AGR-31BR AGR-31BS

AL

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

PS

----

GL
GS
PG

----

PR

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

----

Protection Options----

N-Phase Protection -NP.
S1-Contact Temperature Monitoring - OH.
S1-Trip Indicator.
S1-Phase Rotation Protection - NS.
S1-Restricted Ground Fault - REF.

N4

N2

N2

----

N2

N2

----

N2

----

---N2
N2

-------

N2

---N2

N2

N2
N2

N2

N2

----

N2

N2

----

N2

S2-Second Pre -Trip Alarm - PTA2.

----

----

----

----

N3

S2-Undervoltage Alarm - UVA.

----

----

----

----

N3

N3

N3

N3

S2-Spring Charge Indicator.
Zone Interlock - Z.

----

Communication - C.

----

Earth Leakage - ELT.

----

Please specify control voltage

AC100-120V

----

----

----

AC200-240V- 21BL--------------

----

----

----

N3

----

N3

N3

----

N3

N3

----

----

-------

----

DC24V

Example of AGR Protection Relay Description

AGR

N2

----

-P

S

----

----

DC48V

---DC100-25V

Protection Relay Family.

For AGR-31B please state system voltage -VoltsSpecify generator full load current (In) if applicable -Amps (BS Type Relay)

Back lit LCD for AGR-21B, 22B (option)

Protection Relay Group.
Protection Function and Indication.

NOTES:

A = LSI PROTECTION. (as standard on all protection relays)

N1 - Soon to be available.

G = A + UNRESTRICTED GROUND FAULT PROTECTION.

N2 - Only one function can be selected from section S1.

All AGR-B Protection Relays have individual operation contact
indicators except the AGR-11B, which has a single operation
contact indicator.

R = A + REVERSE POWER.

AGR BL Type Protection Relay - INDUSTRIAL & TRANSFORMERAGR BR Type Protection Relay - CHARACTERISTICS TO IEC 60255-3
AGR BS Type Protection Relay - GENERATOR

76

----

DC200-250V

RELAY KEY

P = A + PRE TRIP ALARM.

----

N3 - Only one function can be selected from section S2.
N4 - Restricted Ground Fault only available with PG function.

9Order Form

PAGE 2 OF 2

Fixed and Drawout Pattern ACB's AR208 to AR663 (800A to 6300A)
4.Indication Accessories: Tick required boxes.
4AB Auxiliary Switches
7AB Auxiliary Switches
10AB Auxiliary Switches
InsertIsolated

Test

Conn

2 Position Switches (Write a '0', '1' or a '2', total 2)= Total 2.

4 Position Switches (Write a '0', '1' or a '2', total 4)= Total 4.

Trip Indication Switch

NormalGold

Spring Charge Switch

NormalGold

Ready to Close Switch

NormalGold

Open/Close Cycle Counter

5.Electrical Operation Accessories: Tick required boxes.
Double Closing Coil 24V DC & 240V AC Only (Short Rated)

Capacitor Shunt Trip 110 AC (Not Available with UVT)

Double Shunt Trip Coil 24V DC &240 V AC Only (Short Rated)
Split Circuit** (For Motor and Closing Coil)**Split Circuit - Voltages for the motor and closing coil must be indicated below.

AC - Control Voltage

AC100

AC110

AC120

AC200

AC220

AC230

AC240

Shunt Trip Continuously Rated (Short Rated with UVT)

AC380

AC400

AC415

AC440

-----

-----

-----

-----

DC220

DC250

Motor Operator and Closing coil
Closing Coil(Split Circuit)**Motor Operator(Split Circuit)**

Undervoltage Trip Device - Instantaneous
Undervoltage Trip Device - Time-Delay
DC - Control Voltage

DC24

DC30

DC48

DC100

DC110

DC125

DC200

Shunt Trip Continuously Rated (Short Rated with UVT)
Motor Operator and Closing coil

-----

-----

Closing Coil(Split Circuit)**

-----

-----

Motor Operator(Split Circuit)**-----

Undervoltage Trip Device - Instantaneous

-----

-----

-----

-----

-----

-----

-----

6.External Accessories: Tick required boxes.
Door Flange IP20

IP55 Transparent Cover

Door Flange IP31

Fixing Blocks

Standard Drawout Handle

Test Jumper

Storage Drawout Handle

Auto-Discharge

Mal-insertion Prevention Device (Insert Code in Box)

Lifting PlatesInterPole Barriers (Not Applicable for Front Connections)

OCR Checker ANU-1

Step Down Transformer (P380-440V/S220V)

OCR test interfaceunit ANU-2

Tropicalisation Treatment

Main Shutter Padlock Device

Anti-Corrosion Treatment

IP3X Chassis Protection

Cold Climate Treatment
Test Report (Enter Number of Copies in Box)

Lifter Loader

AWR-1BFor AR 2, 3 & 440SB

AWR-2BFor AR 2, 3, 4 & 6

7.Locking and Interlocking Systems: Tick required boxes.
Horizontal Mechanical Interlock for three ACBs, Gen. ACB Interlocked with outer ACBs

Type A (4)Horizontal Mechanical Interlock for three ACBs, one or two from three

Type B (2)Horizontal Mechanical Interlock for two ACBs, one from two

Type C (1)Horizontal Mechanical Interlock for three ACBs, one from three

Type D (3)Type A - Indicate position of Gen. ACB
All Types - Pitch 'P1'( 1st & 2nd), 'P2' (2nd & 3rd)

Left

Cent

P1=

Right

mm P2=

mm

Vertical Mechanical Interlock for two ACBs, one from two
Enter Vertical Pole Pitch 'P' Between ACBs

P=

mm

Door Interlock

Storage drawout handle is recommended.

Cylinder lock (Lock in Off) and key
Cylinder lock (Lock in On) and key
Lock in Off Padlock Facility
Castell Fitting (Lock in Off) - Facility only

Tick One Box

Castell Fitting (Lock in On) - Facility only
Castell Lock (Lock in Off) and Key (Factory fitted-European market only)Enter Castell symbol required.

Castell Lock (Lock in On) and Key (Factory fitted-European market only)Enter Castell symbol required.

8.Earthing Devices: Tick required boxes.
Body (Portable Part)

Chassis (Permanent Part)

Earthing Device Note:
Not available with front connections.
Not recommended with a UVT, as manual disconnection is required.

For Customer Notes or References.

77

TERASAKI ELECTRIC CO., LTD.
Head Office: 6-13-47 Kamihigashi, Hirano-ku, Osaka 547-0002, Japan
Circuit Breaker Division: 6-13-47 Kamihigashi, Hirano-ku,
Osaka 547-0002, Japan
TEL +81-6-6791-2763
FAX +81-6-6791-2732
int-sales@terasaki.co.jp
http://www.terasaki.co.jp/

TERASAKI ELECTRIC (M) SDN, BHD.

TERASAKI ELECTRIC (EUROPE) LTD.

Lot 3, Jalan 16/13D, 40000 Shah Alam, Selangor Darul
Ehsan, Malaysia

80 Beardmore Way, Clydebank Industrial Estate
Clydebank, Glasgow, G81 4HT, Scotland (UK)TEL +60-3-5549-3820
FAX +60-3-5549-3960
terasaki@terasaki.com.my

TEL +44-141-941-1940
FAX +44-141-952-9246
marketing@terasaki.co.uk
http://www.terasaki.com/

TERASAKI ELECTRIC TRADING & SERVICES (M)
SDN. BHD.

TERASAKI ELECTRIC (EUROPE) LTD.
FILIALE ITALIA

No. 20 & 22, Jalan Rajawali 2, Bandar Puchong Jaya,
Jalan Puchong, 47100 Selangor Darul Ehsan, Malaysia

Via Ambrosoli, 4A-20090 Rodano, Milano, Italy

TEL +60-3-8070-2486, +60-3-8075-1542
FAX +60-3-8070-2481
sales@terasaki.com.my

TERASAKI DO BRASIL LTDA.
Rua Olof Palme, No. 765,
Barra da Tijuca - Rio de Janeiro, Brazil
TEL +55-21-3301-9898
FAX +55-21-3301-9861
terasaki@terasaki.com.br
http://www.terasaki.com.br

TEL +39-02-92278300
FAX +39-02-92278320
terasaki@terasaki.it
http://www.terasaki.it/

TERASAKI ELECTRIC (EUROPE) LTD.
SUCURSAL EN ESPAÑA
Pol. Ind. Coll de la Manya, C/Cal Ros dels Ocells 5-7,08403 Granollers, Barcelona, Spain
TEL +34-93-879-60-50
FAX +34-93-870-39-05
terasaki@terasaki.es
http://www.terasaki.es/

TERASAKI ELECTRIC (CHINA) LTD.

TERASAKI ELECTRIC (EUROPE) LTD. FILIAL SVERIGE

No.1, 5th Road Pacific Xintang, Zengcheng Ariea,
Guangzhou, 511340, China

Box 2082 SE-128 22 Skarpnäck Sweden

TEL +86-20-8270-8556
FAX +86-20-8270-8586
terasaki@public.guangzhou.gd.cn

TEL +46-8-556-282-30
FAX +46-8-556-282-39
info@terasaki.se
http://www.terasaki.se/

TERASAKI ELECTRIC GROUP SHANGHAIREPRESENTATIVE OFFICETERASAKI CIRCUIT BREAKERS (S) PTE. LTD.

Room No. 1405-6, Tomson Commercial Building
710 Dong Fang Road, Pudong, Shanghai, 200122, China

TEL +65-6744-9752
FAX +65-6748-7592
tecs@tecs.com.sg

TEL +86-21-58201611
FAX +86-21-58201621
terasaki@vip.163.com

Latest data can download by matrix code.
Ratings and specifications in this catalogue may be subject to change without notice.

OCT. 2018 Ref No. ’18-I55E

17 Tuas Street Singapore 638454