ABB 1SVR730840R0500 CM-SRS.22S 0.3-15A RMS 24-240V AC/DC 2 C/O Current Monitoring Relay

The ABB CM-SRS.22S (SKU: 1SVR730840R0500) is a single-phase current monitoring relay designed to detect over-current and under-current conditions in industrial control systems. Part of ABB's CM single-phase monitors series, it supports a wide measurement range of 0.3–15 A RMS and a universal supply voltage of 24–240 V AC/DC, making it highly versatile for global installation. With two changeover (2 c/o) output contacts, the CM-SRS.22S provides reliable switching for alarm and protection circuits in automation and power distribution applications.

Technical Specifications

Certifications & Standards

• CE: Compliant with European Union CE marking requirements
• UKCA: UK Conformity Assessed marking for Great Britain market
• cULus: Listed to both Canadian and US safety standards (UL/CSA)
• CCC: China Compulsory Certification for the Chinese market
• CB: International CB Scheme certification for global market acceptance
• DNV GL: Certified by DNV GL for marine and offshore applications
• UL 508: Listed per UL 508 standard for industrial control equipment
• IEC/EN 63000: Technical documentation and assessment for RoHS compliance
• IEC/EN 60255-27: Measuring relays and protection equipment — product safety requirements
• IEC/EN 61000-6: Electromagnetic compatibility (EMC) generic standards
• IEC 60715: Dimensions of low-voltage switchgear and controlgear — DIN rail mounting
• EN 63000: European harmonised standard for RoHS technical documentation
• EN 60255-27: European standard for measuring relays and protection equipment safety
• EN 61000-6: European EMC generic emission and immunity standards
• UL 508: UL standard for safety of industrial control equipment
• CSA C22.2 No. 14: Canadian standard for industrial control equipment
• CSA: Canadian Standards Association certification
• REACH: Compliant with EU REACH regulation on chemical substances
• RoHS: Restriction of Hazardous Substances directive compliant

Applications & Use Cases

• Over-current and under-current monitoring in motor protection circuits
• Load monitoring in HVAC, pump, and compressor control panels
• Process fault detection in industrial automation and PLC-based systems
• Marine and offshore panel installations (DNV GL certified)
• DIN rail mounting in low-voltage switchgear and distribution boards