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Datasheet generated 2026-10-07
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ABB CM-SRS.22S Current Monitoring Relay 2 C/O 220-240 V AC

ABB · Control & Automation · Power Supplies · Switzerland · abb.com
Part Number
CM-SRS.22S  ·  HS 8536.90
ABB CM-SRS.22S Current Monitoring Relay 2 C/O 220-240 V AC

ABB CM-SRS.22S single-phase current monitoring relay with 2 change-over contacts, 220-240 V AC supply, and 0.3-15 A adjustable measuring range. Provides over- and undercurrent detection with adjustable on- and off-delay up to 30 s. Housed in a 22.5 mm DIN-rail width for standard distribution boards.

Technical Specifications

Manufacturer part number (MPN)CM-SRS.22S
EAN / GTIN4016779852357
HS code8536.90
Sales unitpcs
Operating voltage AC 50 Hz230 V
Operating voltage AC 60 Hz230 V
External power supply requiredYes
Supply voltage AC 50 Hz220–240 V
Supply voltage AC 60 Hz220–240 V
Rated switch current4 A
Response value amperage 10.3–15 A
Response value amperage 20.3–15 A
Type of currentAC
Voltage type (operating voltage)AC
With detachable clampsNo
Single-phase under current possibleYes
Three-phase under current possibleNo
Single-phase overcurrent possibleYes
Three-phase overcurrent possibleNo
Single-phase hysteresis possibleYes
Three-phase hysteresis possibleNo
Contains function DC-voltage under currentYes
Contains function DC-voltage overcurrentYes
Function DC-current hysteresisYes
Rated control supply voltage AC 50 Hz220–240 V
Rated control supply voltage AC 60 Hz220–240 V
Voltage type for actuatingAC
Current measuring range0.3–15 A
Min. adjustable delay-on energization time0 s
Max. permitted delay-on energization time30 s
Min. adjustable off-delay time0 s
Max. permitted off-delay time30 s
Number of contacts as normally closed contact2
Number of contacts as normally open contact2
Number of contacts as change-over contact2
External current transformerNo
Width22.5 mm
Height85.6 mm
Depth103.7 mm
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents