General Purpose
Power RelayFEATURES• Small package design• DPDT has a fine silver
contact with 5 A capability• 4PDT has a gold-plated
silver contact with 3 A
capability• High dielectric strength(1,800 Vac)
• High reliability and long life
• Ultra-high sensitivity withquick response time
(20 ms max.)• Options include LED
indicator, diode protection,and LED indicator/diodeprotection• UL listed, CE certified,
CSA certified
TYPICAL APPLICATIONS• Control panels• Elevator panels• Machine tools• Test equipment

WARNINGPERSONAL INJURY
DO NOT USE theseproducts as safety or
emergency stop devices orin any other application
where failure of the productcould result in personal
injury.
Failure to comply withthese instructions could
result in death or serious
injury.

Sensing and Control

SZR-MY Series®

SZR-MY Series general-purpose power relays are designed for a wide
range of applications including power as well as logic control for factorymachines and control panels.
SZR-MY Series relays have a small package design for multiple
application needs. Relays are available in two configurations: DPDT with a
5A load and 4PDT with a 3 A load.
One standard and three options are available: LED indicator, internal
surge protection diode, and LED indicator/diode protection. Honeywell’s
global sales and distribution channels ensure a rapid response and excellent
customer service.

WARNINGMISUSE OF DOCUMENTATION• The information presented in this product sheet is for reference only. Do
not use this document as a product installation guide.
• Complete installation, operation, and maintenance information is provided
in the instructions supplied with each product.
Failure to comply with these instructions could result in death orserious injury.

General Purpose
Power Relays

SZR-MY Series

RELAY MODEL SELECTION GUIDEType

Terminal

Standard

Plug-in/Solder

PCB
LED Indicator

Plug-in/Solder

DIODE surge suppression
LED indicator + surge suppression

Contact

Catalog ListingDPDT

SZR-MY2-1

4PDT

SZR-MY4-1

DPDT

SZR-MY2-1P

4PDT

SZR-MY4-1P

DPDT

SZR-MY2-N1

4PDT

SZR-MY4-N1

DPDT

SZR-MY2-D1

4PDT

SZR-MY4-D1

DPDT

SZR-MY2-X1

4PDT

SZR-MY4-X1

Solder Terminal

PCB Terminal

SOCKETS – REQUIRED ACCESSORIES
Din-rail Mounting
Relay Contact
DPDT
For use withSZR-MY2-1, -N1, D1, -X1

SZX-SMF-08N

SZX-SMB-08

SZX-SMB-08P

4PDT
For use withSZR-MY4-1, -N1, D1, -X1

SZX-SMF-14N

2 Honeywell • Sensing and Control

SZX-SMB-14

SZX-SMB-14P

General Purpose
Power Relays

SZR-MY Series

CONTACT RATINGS
Type
Load
Ratings

DPDT
Resistive Load (p.f. = 1)
Inductive load(p.f. = 0.4, L/R = 7 ms)

Rated load

220 Vac, 5A
24 Vdc, 5A

Carry current
Max. operating
voltageMax. operating
current
Max. switchingcapacity
Min. permissible
load

4PDT
Resistive Load (p.f. = 1)
Inductive load(p.f. = 0.4, L/R = 7 ms)

220 Vac, 2A
24 Vdc, 2A

220 Vac, 3A
24 Vdc, 3A

220 Vac, 0.8 A
24 Vdc, 1.5 A

5A
250 Vac, 125 Vdc

3A
250 Vac, 125 Vdc

5A

3A

1,100 VA, 120 W

440 VA, 48 W

660 VA, 72 W

1 mA, 5 Vdc

176 VA, 16 W
1 mA, 1 Vdc

COIL RATINGS

Rated
Voltage(V)

AC

Coil Inductance (H)CoilresistanceArmatureOFF

Armature
ON

0.04

0.08

(Ω)

6

214.1

183

12.2

Pick-up
Voltage(V)

Dropout
Voltage(V)

Maximum
Voltage(V)

Power
Consumption(W)
Approx.

12

106.5

91

46

0.17

0.33

24

53.8

46

180

0.69

1.3

Max.

Min.

50

25.7

22

788

3.22

5.66

75 %

30%

100/110

11.7/12.9

10/11

3,750

14.54

24.6

Approx

1.0 W to 1.2 W(60 Hz)110%

110/120

9.9/10.8

8.4/9.2

4,430

19.2

32.1

0.9 W to 1.1 W

200/220

6.2/6.8

5.3/5.8

12,950

54.75

94.07

(60 Hz)220/240

4.8/5.3

4.2/4.6

18,790

83.5

136.4

40

0.17

0.33

6
DC

Rated Current
(mA)
50 Hz
60 Hz

150

12

75

160

0.73

1.37

Max.

Min.

24

36.9

650

3.2

5.72

75%

10%

48

18.5

2,600

10.6

21.0

100/1109.1/1011,00045.6

86.2

Approx.
110%

0.9 W

Note 1: The rated current and coil resistance are measured at a coil temperature of 23 °C [73.4 °F] with tolerances of +15%,-20% for AC rated current and ± 15% for DC coil resistance.
Note 2: The rated current of N1 and X1 types is 4 mA higher than the value in the table above.

Honeywell • Sensing and Control3General Purpose
Power Relays

SZR-MY Series

SPECIFICATIONSContact material
Contact resistanceOperate time
Release time
Operating
Mechanicalfrequency
Electrical

SilverMax. 50 MOhm
Max. 20 ms
Max. 20 ms
18,000 operations per hour
1,800 operations per hour

Insulation resistanceDielectric withstand voltage

Min. 100 Mw at 500 Vdc
1,800 Vac 50 Hz/60 Hz for one minute between non-continuous current
carrying terminals and between coil thermals and contact terminals
Vibration
Mechanical durability
10 Hz to 55 Hz at double amplitude of 1.0 mm
resistance
Malfunction durability
10 Hz to 55 Hz at double amplitude of 1.0 mm
Shock resistance Mechanical durability
1,000 m/s2 (approx. 100 g)
Malfunction durability
200 m/s2 (approx. 20 g)
Service life
Mechanical
AC: Min. 50 million operations (at operating frequency of 18,000 operations/hour)
DC: Min. 100 million operations (at operating frequency of 18,000 operations/hour)
Electrical
DPDT: Min. 500,000 operations (at operating frequency of 1,800 operations/hour)
4PDT: Min. 200,000 operations (at operating frequency of 1,800 operations/hour)
WeightApproximately 35 g
Note 1: The data shown above are of initial value

CHARACTERISTIC DATA

DC resistive1
0.5

DC inductive
L/R=7ms

0.1
5 10

4

1,000
500

AC110V
AC220V

100
50
DC24V

10
0

50 100500
Rated operating voltage(V)AC resistive5
3

AC inductive
p.f.=0.4

DC resistive1
0.5

DC inductive
L/R=7ms

0.1
5 10

50 100500
Rated operating voltage(V)

4 Honeywell • Sensing and Control

3

4

5

6

500

AC110V p.f.=0.4
AC220V p.f.=0.4

100
50
DC24V L/R=7ms

10

7 8
Current(A)012Current(A)Induc tive Load

4

4

10

1 2

1,000

Resistive Load

Number of operations(× 10 )Rated operating current(A)Max. Switching capacity

4PDT

Number of operations(× 10 )AC inductive
p.f.=0.4

Induc tive Load

Number of operations(× 10 )54

AC resistive

10

Resistive Load

Number of operations(× 10 )DPDT

Rated operating current(A)Max. Switching capacity

1,000
500

AC110V
AC220V

100
50
DC30V

10
0

1

2

1,000
500
AC110V p.f.=0.4
DC30V L/R=7ms

100
50
AC220V p.f.=0.4

10
03
Current(A)

0.5

1

1.5
Current(A)General Purpose
Power Relays

SZR-MY Series

HOLDING CLIPS• Holding clips are included with the sockets• Holding clips for the SMF-08N and SMF-14N cannot be removed once inserted• Holding clips for all SMB sockets are wire for easy removal• Holding clips are to be inserted into the slots provided on the socket
DIMENSIONS (For reference only – mm/in)
Figure 1. Dimensions
For SZX-SMF-08N and SZX-SMF-14N sockets

Figure 2. Dimensions
For all SZX-SMB sockets
5,0[0.20]

14,5[0.57]

29,0 [1.14]

22,0 [0.87]

6,5[0.26]

4,6 [0.18]
6,2[0.24]

39,6 [1.56]

49,9 [1.96]

2,2
[0.09
]

Honeywell • Sensing and Control

15°

5

General Purpose
Power Relays

SZR-MY Series

CATALOG LISTING MATRIXSZR – MY 2 - ___1

P - AC110-120V

Terminal Type__ = Solder/Plug-in
P = PCB
Mounting Type
1 = TerminalPoles
2 = DPDT
4 = 4PDT
Amp Rating:
MY = 5 A or 3 A
LY = 10 A
Product Type
General Purpose Relay

6 Honeywell • Sensing and Control

Option Type__ = No Indicator or DiodeD = Internal Surge Protection DiodeN = Red LED Operation Indicator
X = LED and Diode

Voltage Rating:
AC6V
=
AC12V
=
AC24V
=
AC50V
=
AC100V=
AC110-120V =AC200V=
AC220V=
AC220-240V =
DC6V
=
DC12V
=
DC24V
=
DC48V
=
DC100V=

6 Vac
12 Vac24 Vac50 Vac100 Vac110/120 Vac
200 Vac
220 Vac220/240 Vac
6 Vdc
12 Vdc24 Vdc48 Vdc100 Vdc

General Purpose
Power Relays

SZR-MY Series

Max. 28,0 [1.10]

6,3[0.25]

0,5[0.02]

2,6[0.10]FIGURE 3. DIMENSION, CIRCUIT DIAGRAM, TERMINAL ARRANGEMENT, AND MOUNTING HOLE FORSZR-MY2-1, SZR-MY2-N1, SZR-MY2-D1, and SZR-MY2-X1

8 - O 1,2 [0.05] x 3 Holes

0,5[0.02]

Max. 21,5[0.85]

Max. 36,0 [1.42]

MY2-1

6,0
[0.24]

MY2-N1 AC

MY2-N1 DC

MY2-D1

MY2-X1

1

4

1

4

1

4

1

4

1

4

5

8

5

8

5

8

5

8

5

8

9

12

9

12

9

13

14

13

14

13

-

+

12

9

14

13

-

+

12

9

14

13

12
-

+

14

Bottom view

3,5
[0.14]
0,5[0.02]
Max. 36,0 [1.42]

Max. 21,5[0.85]
6,0[0.24]

The circuit diagram is the same wit standard type of SZR-MY2-1 or the SZR-MY4-1

Honeywell • Sensing and Control

73,3[0.13]

1,0[0.04]

Max. 28,0[1.10]

6,3[0.25]

0,5[0.02]FIGURE 4. DIMENSION, CIRCUIT DIAGRAM, TERMINAL ARRANGEMENT, AND MOUNTING HOLE FORSZR-MY2-1P and SZR-MY4-1P

General Purpose
Power Relays

SZR-MY Series

Max. 28,0[1.10]

6,3[0.25]

2,6[0.10]

0,5[0.02]FIGURE 5. DIMENSION, CIRCUIT DIAGRAM, TERMINAL ARRANGEMENT, AND MOUNTING HOLE FORSZR-MY4-1, SZR-MY4-N1, SZR-MY4-D1, and SZR-MY4-X1

14 - O 1.2 [0.05] x 3 Holes

Max. 21,5[0.85]

0,5[0.02]
Max. 36,0 [1.42]

MY4-1

6,0
[0.24]

MY4-N1 AC

MY4-N1 DC

MY4-D1

MY4-X1

1

2

3

4

1

2

3

4

1

2

3

4

1

2

3

4

1

2

3

4

5

6

7

8

5

6

7

8

5

6

7

8

5

6

7

8

5

6

7

8

9

10

11

12

9

10

11

12

9

10

11

12

9

10

11

12

9

10

11

13

14

13

14

13

-

+

14

13

-

+

14

13

-

+

Bottom view
FIGURE 6. CIRCUIT DRAWING FOR SZR-MY2- and SZR-MY4-

4PDT

DPDT
13.2

14- 1.3

0.1

13.2

3.75

8 Honeywell • Sensing and Control

8- 1.3 0.1

6.35

6.3

12.65

4.3

4.1

4.4

12
14

General Purpose
Power Relays

SZR-MY Series

SOCKETS
FIGURE 7. SZX-SMF-08N

30,0 [1.18]

25,0 [0.99]

15,6[0.61]

35,2 [1.39]

62,0 ± 0,1 [2.44 ± .004]

26,0[1.02]

2-M3 or 2-M4
2 - O 4,5 [0.18] Holes

26,0 [1.02]

18,0[0.70]

30,0 [1.18]

25,0 [0.99]

Max. 61,0 [2.40]

Max. 61,0 [2.40]

18,0[0.70]

3,0[0.12]

2 - O 4,5 [0.18] Holes

26,0 [1.02]

45,0 [1.77]

4,2[0.17]

62,0 ± 0,1[2.44 ± .004]

35,2[1.39]

2-M3 or 2-M4

15,6[0.61]

3,0[0.12]

3,9[0.15]

26,0[1.02]

45,0[1.77]

4,2[0.17]

62,0 [2.44]

6,0[0.24]

3,9[0.15]

62,0 [2.44]

6,0[0.24]FIGURE 8. SZX-SMF-14N

FIGURE 9. SZX-SMB-08

FIGURE 10. SZX-SMB-14
14 - 3 x O 1,2 [0.05] Holes

8 - 3 X O 1,2 [0.05] Holes

2,7[0.11]

7,7[0.30]

Max. 25,5[1.00]
2,7[0.11]

2,6 [0.10]

7,7[0.30]

Max. 29,5[1.16]

0,3[0.01]

Max. 29,5 [1.16]

Max. 25,5 [1.00]

0,3[0.01]

Max 24,0 [0.94]

Max. 24,0 [0.94]

2,6[0.10]

Max. 20,0[0.79]

21,4 ± 0,20.84 ± .008

Honeywell • Sensing and Control

25,8 ± 0,2[1.02 ± .008]

38,5 [1.52]

25,8 ± 0,2[1.02 ± .008]

Max. 38,5 [1.52]

Max. 20,0[0.79]

21,4 ± 0,2[0.84 ± .008]

9

General Purpose
Power Relays

SZR-MY Series

2,7[0.11]

4,2[0.17]WARRANTY/REMEDY
Honeywell warrants goods of its manufacture as
being free of defective materials and faulty
workmanship. Contact your local sales office forwarranty information. If warranted goods are
returned to Honeywell during the period ofcoverage, Honeywell will repair or replace withoutcharge those items it finds defective. The
foregoing is Buyer’s sole remedy and is in lieu
of all other warranties, expressed or implied,
including those of merchantability and fitness
for a particular purpose.
Specifications may change without notice. The
information we supply is believed to be accurate
and reliable as of this printing. However, we
assume no responsibility for its use.

Sensing and Control
www.honeywell.com/sensing
Honeywell
11 West Spring Street
Freeport, Illinois 61032
009550-4-EN IL50 GLO 0104 Printed in USA
Copyright 2003-2004 Honeywell International Inc. All Rights Reserved.

4,1[0.16]

4,4[0.17]

38,5 [1.52]

12,65[0.50]

8 - O 2,0 [0.08] Holes

13,2[0.52]

6,4[0.25]

6,4[0.25]

6,35[0.25]

5,8[0.23]

4,1[0.16]

Max. 16,5[0.65]

13,2[0.52]

Max. 29,5[1.16]

2,6[0.10]

4,2[0.17]

12,65[0.50]

Max. 16,5[0.65]

6,35[0.25]

2,6[0.10]

38,5 [1.52]

Max. 22,0[0.87]

0,3[0.01]

Max. 29,5 [1.16]

Max. 25,5 [1.00]

0,3 [0.01]
2,7[0.11]

4,3[0.17]

Max. 22,0 [0.87]

5,8[0.23]

4,3[0.17]FIGURE 12. SZX-SMB-14P

Max. 25,5[1.00]FIGURE 11. SZX-SMB-08P

14 - O 2,0 [0.08] Holes

While we provide application assistancepersonally, through our literature and the
Honeywell web site, it is up to the customer todetermine the suitability of the product in theapplication.
For application assistance, current specifications,or name of the nearest Authorized Distributor,
contact a nearby sales office. Or call:
1-800-537-6945 USA/Canada
1-815-235-6847 International
FAX
1-815-235-6545 USA
INTERNET
www.honeywell.com/sensing
info.sc@honeywell.com