CM-SRS.M1S

Name: CM-SRS.M1S
Brand: ABB
SKU: CM-SRS.M1S

The ABB CM-SRS.M1S current monitoring relay protects single-phase AC/DC systems with adjustable hysteresis, tripping delay, and start-up delay. Available in screw type terminals, it meets UL 94 V-0 fire protection standards and is tool-free mountable on DIN rail.

Product ModelCM-SRS.M1S

Material Number1SVR730840R0600

Product ID87066

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Adjustable Hysteresis and Threshold ValuesThe CM-SRS.M1S allows for precise adjustment of hysteresis (3-30%) and threshold values, ensuring optimal current monitoring and protection.
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2. Configurable Monitoring and Latching FunctionsUsers can configure the relay to monitor over- or undercurrent and set the latching function to ON or OFF, providing flexibility in application scenarios.
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3. Tool-Free Mounting on DIN RailThe device can be easily mounted and demounted from DIN rail without any tools, enhancing convenience and efficiency in installation.
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4. High Fire Protection ClassificationThe CM-SRS.M1S is made from housing material with the highest fire protection classification, UL 94 V-0, ensuring safety in various environments.

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

0.153 kg

Function

Over- or undercurrent monitoring

Measuring Range

3 ... 30 mA 10 ... 100 mA 0.1 ... 1 A

5. Versatile Terminal OptionsAvailable in screw type terminals, the CM-SRS.M1S offers a reliable connection option, complemented by the Easy Connect Technology for push-in terminals, catering to different installation needs.

6. Precise Status IndicationThe device features 3 LEDs for status indication, providing clear operational state feedback through green, yellow, and red LEDs for control supply voltage, relay status, and over/undercurrent detection.

7. Adjustable Tripping and Start-Up DelaysUsers can adjust the tripping delay (0 s to 30 s) and start-up delay (0 s to 30 s) to suit specific application requirements, ensuring optimal timing for protection and operation.

8. Comprehensive Approvals and CertificationsThe CM-SRS.M1S meets various international standards including UL 508, CAN/CSA C22.2 No.14, and CE marking, ensuring compliance with global safety regulations.

Time Range

0 s or 0.1 ... 30 s start-up delay 0 s or 0.1 ... 30 s tripping delay (ON)

Rated Control Supply Voltage (Us)

24 ... 240 V AC/DC

Output

2 c/o (SPDT) contacts; operating principle selectable

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 10 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)

2712319

E-Number (Norway)

4188070

E-Number (Sweden)

3860629

Manufacturer ID

1SVR730840R0600