Rack Mount Power Systems
Powerful Solutions for Critical Data andTelecom Applications

Professional Power Solutions Design and Manufacturing

Telecom / Datacom

COTEK ELECTRONIC IND. CO., LTD
www.cotek.com.tw+886 3-389-1999+886 3-380-2333

No.33, Sec. 2, Renhe Rd., Daxi Dist., Taoyuan City 33548, Taiwan

2021 / 2022 Product Catalog

Professional Power Solutions Design and Manufacturing

Why COTEKCOTEK is committed to providing proactive service, innovative technology andtotal quality assurance since COTEK was established in 1986. With CorporateOﬃces in Tao-yuan, Taiwan, COTEK is a technology-oriented company focusing
on developing, designing and manufacturing products including:
1DC / AC Pure Sine Wave Inverter

2Inverter / Charger

3

Battery Charger

4

AC / DC Switching Mode Power Supply

One-stop shopping

World-Class R&D Team

Product Safety Approvals

Diverse power product lines that
fulﬁll our business partner’s power
requirement across multiple sectors(AC/DC, DC/AC, Chargers andInverter Chargers)

30 years’ software & hardware
development capability

Meet the global latest safety standards

Flexibility

Prompt Service

Production Experience

To provide oﬀ-the-shelf and customized
design serviceAuthorized distributor partners in over
38 countries to ensure local services inthe same time zone

Sold more than 20 million pcs to theworldwide market

RoHS
COMPLIANT

20182019

2020

COMPLIANT

2021

D&B Top 1000 Elite SME Award
D-U-N-S Number : 65-728-6662

COTEK Headquarters, Taiwan

COTEK Factory, Dongguan China

No. 33, Sec. 2, Renhe Rd., Daxi Dist., Taoyuan City 33548, Taiwan

Building No.121, No.13, Xinan Rd., Xintaiyang Industrial Park,+886 3-380-2333+886 3-389-1999
http://www.cotek.com.tw/Lincun Village, Tangxia Township, Dongguan City,
Guangdong Province, China+86 769-81282695

01

REACH+86 769-81282615

Applications
Satellite / Power Station

1

Telecom, Data Center

2

Uninterruptable Power System (UPS)3

Rack mount Power Backup System

Energy Station System (ESS)

RailwayBroadcasting Radio Station

MBS
Maintenance Manual Bypass Switch(65A, 130A, 260A)

Modular Battery(Built at the request)

Rack Mount Power Systems
Powerful Solutions for Mission Critical Equipment
DC Power and AC PowerCOTEK Rack Mount Power System provides reliable and high-quality DC& AC power solutions, designed with advanced power electronic andmicroprocessor technology.

DC power
AC power

RA-3048 SMR S-platform

RA-3048 SMR M-platform

This platform provides 100A @ 48V capability in a
2U rack structureThis platform provides 200A @ 48V capability in a
4U rack structure

SR-1600 PLUS
SR-2500/3500
2500VA/3500VA inverter module support
100-120Vac & 200-240Vac
24Vdc / 48Vdc version

1600VA inverter module support
100-120Vac & 200-240Vac
24Vdc / 48Vdc version

Features

DC power

1

Modular Switching Mode
Rectiﬁer

High eﬃciency >95%

2Compact but Powerful (3KW , 1U high per module)

328 mm41mm

RA-3048144mmRA-3048 Switching Mode Rectiﬁer is a modular andreliable design AC-DC power system. Single module canoutput 3KW @ 220Vac which is a compact and high power
density solution to provide 48Vdc power under telecom/
industrial applications. Regular stocking items S & M-platform
are available for constant planning

S / M Platform
AC Supply

CE-R1

3AC
Distribution

CE-R1 : Central control unit

Hot-swappable / hot-pluggable during
operation

4

Active load sharing and battery monitoringby CE-R1

BPB : Back panel

BPB
LOCKOPENMUIB
LOCKTo PC
T battT am
Remote Alarms(Voltage-free contacts)

MUIB : Interface board
LVDS : Low Voltage Disconnect Switch
Tbatt : Battery Temperature
Tam : Ambient Temperature

Loads

DCDistribution

OPEN

LOCK

CE-R1 (Centrol Control Unit) Setting
11CE-R1

Main menu

System level related parameter settings

OPEN

RA-3048

AC

2

LVDS

(Rectiﬁer)DC
Signal /data transmission

1~2 Batteries

2
Scan QR Code to view
the User’s Manual3

4

SMR button

SMR related parameter settings

3

Battery button

4

Alarms log

Battery status and charging settings

Event log display

Features

AC power

1Seamless switch between AC and DC
0 Second transfer-switch between AC and DC, avoid damage to the instrument
caused by transient voltage

Modular Inverters

PATEENTEDTEDP AT

PATENTEENDTEDPATEN

SR-1600 PLUS

TPA

Patented technology US Patent no. : US10-530-267

NTEDThe SR-1600 Plus is a highly reliable, modular design DC-AC
inverter system, designed with advanced power electronic andmicroprocessor technology

Utility Power /Generator Power

Maintenance Manual Bypass System
Can Provide Continuous Power Supply
When All Modules Are Updated

6.4KW
LoadSR-1600 PLUS

3Built-in Static Transfer Switch

Reduce energy loss and heat dissipation

Support output parallel connection
and redundancy (N+1)
4 modules in one 2U shelf :Battery

Output Eﬃciency Up to 95%

2

Maintenance
Bypass Switch

3-in-1 Operating Modes

Support up to 8 shelves :51.2KW
Battery

Battery

SR-1600
PLUS

Easy Maintenance by Hot Plug andSwappable Module

Battery

SR-1600
PLUS

Load

SR-1600
PLUS

Load

Load

Block diagram
Utility Power /Generator Power

Scan QR Code to view
the User’s Manual

AC ModeUtility Power /Generator PowerDC ModeUtility Power /Generator Power

Sharing ModeFeatures

AC power

2AC output types: Terminal and socket
Flexible for deviated AC loads : Fixed installation(Terminal) and Temporary use (Socket)

Rackmount Inverters
SR-2500/3500

Parallel redundancy design
N+1 redundancy

Scalable power

AC bypass11Ф3W / 3Ф4W Power Systems

3Suitable for commercial & industrial
applications

SR

Static Transfer Switches (STS)Provide uninterrupted power to your load such as
PC or storage device.

Series

RJ-45

Solar

SR-1000TSR

SMR

SeriesBattery

Utility Power /Generator PowerLoadSR345mm

SeriesStandard 19” 1U rack mountPure sine wave output (THD < 2%)

ParallelUser-friendly LCM module
RS-232 communication port

Block diagram
44 mm

Scan QR Code to view
the User’s Manual

483 mmSelectable on-line / oﬀ-line modes

Scan QR Code to view
the User’s ManualDC Power

AC Power

System Packs

System Packs

Accessories
Module

CE-R1

Rack

RA-3048

1
1S-platform RA-3048 x 3 + CE-R1

2 M-platform RA-3048 x 5 + CE-R1

2U 1 rack + 4 module

SN-1 PLUS

ModuleRack

1600VA inverter module
support

Maintenance Manual Bypass
Switch (65A, 130A, 260A)

SN-1 Plus

CR-21 Plus

Display and Setting via
SNMP Ethernet(NMS / Web Browser)

Display & Setting via
LCM Controller

CR-21 PLUS

Accessories+ CR-21 PLUS
2 2U
1 rack + 3 module + CR-21 PLUS + SN-1 PLUS
RA-3048

CE-R1

3000W Switching Mode
Rectiﬁer(SMR) module

Central Control Unit

LVDS

Circuit Breaker

FAN Module
Front-end changeable fanmoduleMBS

3
AC input switch

Battery DC switch

SPD

Load Breaker
Alarm DIP Switch

2 rack + 7 module + CR-21 PLUS + SN-1 PLUS

S-Platform

M-Platform

COTEK Part Number

01-C101-0001

01-C101-0002

Output Power (N+1)*

6KW

12KW

Maximum Output DC Current (N+1)

125 A

250 A

Total Height2U (3.5”)

4U (7”)

Controller Slots

11Rectiﬁer Slots

352

Protected Load Outputs

Up to 4Up to 10

2U + CR-21 PLUS

Protected Battery Sets

Up to 2Up to 2

Surge Protection Device

NoYes

Up to 1Up to 2NoYes

2U (3.5”) 19” (rack)

4U (7”) 19” (rack)

Depth: 10.12”

Depth: 10.12”

LVDS Switch
Additional Distribution Panel Option
Distribution Dimensions
DC terminal type

1. TB Terminal 2. Euroblock terminal* N+1 means a spare module is used for redundant supply, not regular output supply.

12U

34U+ CR-21 PLUS

For the empty module
space fulﬁllment

Future(Expandability)

PresentRackheight

Dummy Module

Maintenance Manual
Bypass Switch(65A, 130A, 260A)

4U + CR-21 PLUS

No. Module

VA

No. Module

VA

11600

34800

23200

23200

34800

11600

46400

00

11600

23200

23200

11600

34800

00

11600

69600

23200

58000

34800

46400

46400

34800

58000

23200

69600

11600

71120000Maximum
No. Module

VA

46400

34800

711200Speciﬁcation
S-platform

DC Power SystemM-platform

AC Output
Rating Power

1200W / 1600VA

Short Time Overload Capacity

150% rated power (15 seconds)

1600W / 1600VA

Nominal Voltage (AC)

120VAC230VAC

Output Voltage Range (AC)100~120VAC ± 3%

200~240VAC ± 2%

Efficiency AC Mode

94%

Efficiency DC Mode

89%

Frequency Range

50 / 60 Hz

THD (Above 80% Resistive Load)< 3%

DC Rectiﬁer

1600W / 1600VA

1200W / 1600VA

95%
90%

91%90%

RA-3048
Input

Turn ON Delay<10 sec.

Crest Factor at Nominal PowerDC mode: 3 times nominal current

AC mode: 6 times nominal current

DC mode: 3 times nominal current

AC mode: 10 times nominal current

AC Input
Nominal Voltage (AC)

120VAC230VAC

Voltage Range (AC)90~130VAC ± 3% (adjustable from 75V to 132.5V)

180~260VAC ± 2% (adjustable from 150V to 265V)

Power Factor@Rating Power> 0.99Frequency Range

50 / 60 Hz

Synchronization Range

47~53 Hz, 57~63 Hz

Voltage
Current (maximum)
Frequency
Power Factor
Input Protection
THD

16 ARMS45-66 Hz>0.99 at 50-100% load
Fuse
> 95% (Load 40%~80%)

Surge Protection

DC Input
24VDC

48VDC

24VDC

48VDC

Voltage Range (DC)18~34VDC ± 3%

36~68VDC ± 3%18~34VDC ± 3%

36~68VDC ± 3%

Nominal Current (at 24Vdc/48Vdc) 56A

37A

56A

37A

Max. Input Current (15 Sec.)

60A

90A

60A

90A

Voltage
Static Regulation
Current (maximum)
Power (Max)Current sharing (10-100% load)

Control & Signal
Indicator

LED, Buzzer Alarm, Event Log

Advanced Control

RS-485 (Modbus) embedded, CR-21 Plus (Optional), SN-1 Plus SNMP (Optional)

IEEEE C 62.41 / IEC 61000-4-5 / IEC 61000-4-4

OutputNominal Voltage (DC)

54 Vdc (adjustable range : 45-58 Vdc )±1.0% (10-100% load)
62.5 A (@ 48 Vdc)
3000W @ 220Vac; 1000W @ 100Vac±5% of maximum current from 10 to 100% load sharing from CE-R1

Protection

Protection
Input / Output Protection

Wide Input Range: 100-275 Vac, Max 3kW (100-184 Vac at de-rated output power)

Over Voltage, Under Voltage, Overload, Over Temperature, Reverse Polarity, Short Circuit

Transfer Performance

Dynamic Regulation
Output Noise
RippleOver-temperature - gradual reduction of current limit if heat-sink temperature exceeds pre-set limit±5.0% for 10-90% or 90-10% load variation, output voltage regulation time < 2.5%. +/-1% within2ms of step change.
<2mVrms Psophometric weighting;< 10mVrms 10kHz - 100MHz; < 100mV peak to peak 0~30MHz bandwidth< 100 mV peak to peak, 30 MHZ bandwidth

0 sec.

Inverter / Utility AC

Surge Protection

IEC 61000-4-4 / IEC 61000-4-5 / IEEE C62.41

Operating Temp.

Full Load -25oC ~ 40oC ; Power De-rating from 40°C to 60°C

EMC

Emission : EN 61000-6-3; EN 61000-3-2; EN 61000-3-3. Immunity: EN61000-6-1; EN 61000-6-2.

Storage Temp.

-40oC ~ 70oC , 95% RH non-condensing

Inrush Current<28.5 Arms peak at nominal mains voltage

Voltage Withstand Test

3.0 kVac - input and output (4.25 kVDC primary- secondary); 1.5kVac - input earth (2.12kVDC primary-ground)

SafetyIsolation

UL 60950-1, UL62368-1 3rd , IEC62368-13rd , EN62368-1 3rdEnvironment

Safety & EMC
Safety Standards

Meet UL62368-1

EN62368-1

EMC Standards

FCC class B

EN55032 Class B; EN55024; EN300386

1.5 kVAC -input to earth, 500 VDC -output to earth

EN 61000-3-2, -3-3, -6-1, -6-3;

Environmental

IEC 61000-4-2, 3, 4, 5, 6, 8, 11

Acoustic noise,full load

< 55 dBA @ Tambient = 40°C

Other

Operating temperature

Operating range -10℃ ~ 70℃; derated power at 50℃ ~ 70℃ ; humidity 5-95% RH non-condensing

Dimension (WxHxD) - Module

105x83x410 mm / 4.13x3.27x16.14 inch

Storage temperature-40 to +85°C ; humidity 0-99% RH non-condensing

Dimension (WxHxD) - Shelf

446x85x509 mm / 17.56x3.35x20.04 inch

Cooling

Packing

Module：3.8kg; 4pcs / 17.2kg; Shelf：6.5kg; 1pc / 7.5kg

Mechanical
Dimension (W x H x D)mm
WeightPacking Information
DC Input
SR -1000

24V, 48V

SR - 1600 Module

24V, 48V

SR - 1600 Rack

AC Input

AC Output

75-132V,
150-265V
75-132V,
150-265V

97-123V,
194-246V
100-120V,
200-240V
100-120V,
200-240V

Connection
Type

PCS/CTN

N.W./CTN(KGS)

G.W./CTN(KGS)

CBM /CTN

PCS /PLTCARTONS/
PLT

IEC, HW

215160.08

64

32

HW

415.2

16.8

0.09

80

20

HW

16.5

7.50.08

1616*The above information is for reference only, subject to change without notice
SR-1600
PLUS

144 x 41 x 328 mm
2.1 kg (4.6 lbs)

AC Power System

SR-1000T

Rack Mount Inverter

SR-1600-124 PLUS

SR-3500

AC Output

SR-1600-148 PLUS

SR-1600-224 PLUS

SR-1600-248 PLUS

AC Output
Rating Power

1200W / 1600VA

Short Time Overload Capacity

150% rated power (15 seconds)

Nominal Voltage (AC)

120VAC230VAC

Output Voltage Range (AC)100~120VAC ± 3%

200~240VAC ± 2%

Efficiency AC Mode

94%

95%

Efficiency DC Mode

89%

Frequency Range

50 / 60 Hz

THD (Above 80% Resistive Load)< 3%Turn ON Delay<10 sec.

Crest Factor at Nominal Power

SR-2500

1600W / 1600VA

90%

1200W / 1600VA

90%

1600W / 1600VA

Rating Power

1200W / 1600VA

Short Time Overload Capacity

150% rated power (15 seconds)

1600W / 1600VA

Nominal Voltage (AC)

120VAC230VAC

Output Voltage Range (AC)100~120VAC ± 3%

200~240VAC ± 2%

Efficiency AC Mode

94%

Efficiency DC Mode

89%

Frequency Range

50 / 60 Hz

THD (Above 80% Resistive Load)< 3%

95%90%

Turn ON Delay<10 sec.

Crest Factor at Nominal PowerDC mode: 3 times nominal current

91%

90%

AC mode: 6 times nominal current

DC mode: 3 times nominal current

91%

Nominal Voltage (AC)

120VAC230VAC

Voltage Range (AC)90~130VAC ± 3% (adjustable from 75V to 132.5V)

180~260VAC ± 2% (adjustable from 150V to 265V)

Power Factor@Rating Power> 0.99Frequency Range

50 / 60 Hz

Synchronization Range

47~53 Hz, 57~63 Hz

DC Input

DC mode: 3 times nominal current

AC mode: 6 times nominal current

DC mode: 3 times nominal current

AC mode: 10 times nominal current

Nominal Voltage (DC)

24VDC

48VDC

24VDC

48VDC

Voltage Range (DC)18~34VDC ± 3%

36~68VDC ± 3%18~34VDC ± 3%

36~68VDC ± 3%

Nominal Current (at 24Vdc/48Vdc) 56A

37A

56A

37A

Max. Input Current (15 Sec.)

60A

90A

60A

Nominal Voltage (AC)

120VAC230VAC

Voltage Range (AC)90~130VAC ± 3% (adjustable from 75V to 132.5V)

180~260VAC ± 2% (adjustable from 150V to 265V)

Power Factor@Rating Power> 0.99

Control & Signal

Frequency Range

50 / 60 Hz

Indicator

LED, Buzzer Alarm, Event Log

Synchronization Range

47~53 Hz, 57~63 Hz

Advanced Control

RS-485 (Modbus) embedded, CR-21 Plus (Optional), SN-1 Plus SNMP (Optional)

90AProtection

DC Input
Nominal Voltage (DC)

24VDC

48VDC

24VDC

48VDC

Voltage Range (DC)18~34VDC ± 3%

36~68VDC ± 3%

18~34VDC ± 3%

36~68VDC ± 3%

Nominal Current (at 24Vdc/48Vdc) 56A

37A

56A

37A

Max. Input Current (15 Sec.)

60A

90A

60A

90A

Control & Signal
Indicator

LED, Buzzer Alarm, Event Log

Advanced Control

RS-485 (Modbus) embedded, CR-21 Plus (Optional), SN-1 Plus SNMP (Optional)

Protection
Over Voltage, Under Voltage, Overload, Over Temperature, Reverse Polarity, Short Circuit

Input / Output Protection

Over Voltage, Under Voltage, Overload, Over Temperature, Reverse Polarity, Short Circuit

Transfer Performance0 sec.

Inverter / Utility AC

Environment
Operating Temp.

Full Load -25oC ~ 40oC ; Power De-rating from 40°C to 60°C

Storage Temp.

-40oC ~ 70oC , 95% RH non-condensing

Safety & EMC
Safety Standards

Meet UL62368-1

EN62368-1

EMC Standards

FCC class B

EN55032 Class B; EN55024; EN300386

Transfer Performance
Inverter / Utility AC

AC mode: 10 times nominal current

AC Input

AC Input

Input / Output Protection

1600W / 1600VA

1200W / 1600VA

EN 61000-3-2, -3-3, -6-1, -6-3;
IEC 61000-4-2, 3, 4, 5, 6, 8, 110 sec.

Other

Environment
Operating Temp.

Full Load -25 C ~ 40 C ; Power De-rating from 40°C to 60°C

Dimension (WxHxD) - Module

Storage Temp.

-40 C ~ 70 C , 95% RH non-condensing

Dimension (WxHxD) - Shelf

446x85x509 mm / 17.56x3.35x20.04 inch

Packing

Module：3.8kg; 4pcs / 17.2kg; Shelf：6.5kg; 1pc / 7.5kg

oooo

Safety & EMC
Safety Standards

Meet UL62368-1

EN62368-1

EMC Standards

FCC class B

EN55032 Class B; EN55024; EN300386
EN 61000-3-2, -3-3, -6-1, -6-3;

105x83x410 mm / 4.13x3.27x16.14 inch

Packing Information

IEC 61000-4-2, 3, 4, 5, 6, 8, 11
DC Input

Other
Dimension (WxHxD) - Module

105x83x410 mm / 4.13x3.27x16.14 inch

Dimension (WxHxD) - Shelf

446x85x509 mm / 17.56x3.35x20.04 inch

Packing

Module：3.8kg; 4pcs / 17.2kg; Shelf：6.5kg; 1pc / 7.5kg

SR -1000
SR - 1600 Module
SR - 1600 Rack

AC Input

AC Output

75-132V,
150-265V
75-132V,
150-265V

97-123V,
194-246V100-120V,
200-240V
100-120V,
200-240V

24V, 48V
24V, 48V

Connection
Type

PCS/CTN

N.W./CTN(KGS)

G.W./CTN(KGS)

CBM /CTN

PCS /PLTCARTONS/
PLT

IEC, HW

215160.08

6432

HW

415.2

16.8

0.09

80

20

HW

16.5

7.5

0.08

1616

*The above information is for reference only, subject to change without notice