CM-SRS.12S

Name: CM-SRS.12S
Brand: ABB
SKU: CM-SRS.12S

The ABB CM-SRS.12S is a reliable current monitoring relay that protects single-phase mains from over- and undercurrents. It features adjustable hysteresis and tripping delay, making it ideal for various industrial applications.

Product ModelCM-SRS.12S

Material Number1SVR730841R1300

Product ID86415

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Precise MonitoringThe CM-SRS.12S offers precise monitoring of DC and AC currents from 3 mA to 15 A, ensuring accurate protection against over- and undercurrents.
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2. Adjustable HysteresisThe relay allows for adjustable hysteresis (3-30%) to fine-tune the threshold value, providing customizable protection settings.
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3. Tripping DelayThe device includes a tripping delay function, which can be set from instantaneous to 30 seconds, allowing for flexible response times to current changes.
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4. Easy MountingThe CM-SRS.12S features snap-on mounting without any tools, making it easy to install on DIN rails, ensuring quick and hassle-free setup.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

22.5 mm

Product Net Height

85.6 mm

Product Net Depth / Length

103.7 mm

Product Net Weight

0.168 kg

Function

Over- or undercurrent monitoring

Measuring Range

0.3 ... 1.5 A 1 ... 5 A 3 ... 15 A

5. Reliable PerformanceWith a mechanical lifetime of 30 million switching cycles and an electrical lifetime of 0.1 million cycles at 230 V, 4 A, the CM-SRS.12S offers reliable performance in demanding industrial environments.

6. Versatile Power SupplyThe relay supports a wide range of control supply voltages (24-240 V AC/DC, 110-130 V AC, and 220-240 V AC), making it suitable for various power systems.

7. High-Quality ComponentsThe device is built with high-quality components, including UL 94 V-0 housing material, ensuring the highest fire protection classification and durability.

8. User-Friendly InterfaceThe CM-SRS.12S features a user-friendly interface with front-face operating controls and LED indicators for easy status monitoring and configuration.

9. Comprehensive ApprovalsThe relay meets various international standards, including UL 508, CAN/CSA C22.2 No.14, and CE marking, ensuring compliance with global safety regulations.

10. Compact DesignWith dimensions of 22.5 mm x 85.6 mm x 103.7 mm, the CM-SRS.12S is compact and space-efficient, making it ideal for installations in tight spaces.

Rated Control Supply Voltage (Us)

220 ... 240 V AC

Output

1 c/o (SPDT) contact

Terminal Type

Screw Terminals

Rated Operational Current AC-12 (Ie)

(230 V) 4 A

Rated Operational Current AC-15 (Ie)

(230 V) 3 A

Rated Operational Current DC-12 (Ie)

(24 V) 4 A

Rated Operational Current DC-13 (Ie)

(24 V) 2 A

Minimum Switching Capacity

24 V 10 mA

Rated Impulse Withstand Voltage (Uimp)

Measuring Circuit / Output Circuit 6 kV Output Circuit 1 / Output Circuit 2 4 kV Supply Circuit / Measuring Circuit 6 kV Supply Circuit / Output Circuit 4 kV

Rated Insulation Voltage (Ui)

Measuring Circuit / Output Circuit 600 V Output Circuit 1 / Output Circuit 2 250 V Supply Circuit / Measuring Circuit 600 V Supply Circuit / Output Circuit 250 V

Degree of Protection

Housing IP50 Terminals IP20

Overvoltage Category

III

Pollution Degree

Short-Circuit Protective Devices

Output Circuit NC - F Type Fuses 6 A Output Circuit NO - F Type Fuses 10 A

Electrical Durability

AC-12 100000 cycle

Mechanical Durability

30000000 cycle

Connecting Capacity

Flexible with Ferrule 1x 0.5 ... 2.5 mmÂ² Flexible with Ferrule 2x 0.5 ... 1.5 mmÂ² Flexible with Insulated Ferrule 1x 0.5 ... 2.5 mmÂ² Flexible with Insulated Ferrule 2x 0.5 ... 1.5 mmÂ² Flexible 1x 0.5 ... 2.5 mmÂ² Flexible 2x 0.5 ... 1.5 mmÂ² Rigid 1x 0.5 ... 4 mmÂ² Rigid 2x 0.5 ... 2.5 mmÂ²

Tightening Torque

0.6 ... 0.8 NÂ·m

Wire Stripping Length

8 mm

Recommended Screw Driver

0.8 x 4 4.5 Pozidriv 1

Mounting Position

1 ... 6

Mounting on DIN Rail

TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715

Standards

CAN/CSA C22.2 No.14 IEC/EN 63000 IEC/EN 60255-27 IEC/EN 61000-6-2 IEC/EN 61000-6-3 UL 508

Maximum Operating Voltage UL/CSA

Output Circuit 300 V AC

Contact Rating UL/CSA

B300

Connecting Capacity UL/CSA

Flexible 1x 18-14 AWG Flexible 2x 18-16 AWG Rigid 1x 20-12 AWG Rigid 2x 20-14 AWG

Tightening Torque UL/CSA

7.08 inÂ·lb

Pilot Duty UL/CSA

B300

Flammability According to UL94

V-0

Ambient Air Temperature

Operation -20 ... +60 Â°C Storage -40 ... +85 Â°C

Maximum Operating Altitude Permissible

Without Derating 2000 m

Object Classification Code

ETIM 7

EC001440 - Current monitoring relay

ETIM 8

EC001440 - Current monitoring relay

ETIM 9

EC001440 - Current monitoring relay

eClass

V11.0 : 27371802

UNSPSC

39122332

E-Number (Finland)

2712308

E-Number (Norway)

4188056

E-Number (Sweden)

3860636

Manufacturer ID

1SVR730841R1300