ABB 1SVR730841R1200 CM-SRS.11S Current Monitoring Relay 1C/O 3mA-1A RMS 220-240V AC Single-Phase

The ABB CM-SRS.11S current monitoring relay (SKU: 1SVR730841R1200) is a single-phase current monitoring device designed to protect motors, pumps, and industrial loads from under-current and over-current faults. With a wide monitoring range of 3mA to 1A RMS and a rated supply voltage of 220–240V AC, the CM-SRS.11S delivers reliable protection in compact DIN-rail-mountable form — measuring just 22.5mm wide — making it ideal for space-constrained control panels in industrial automation and building services applications.

Technical Specifications

Certifications & Standards

• CE: Complies with applicable EU directives for electrical equipment
• UKCA: UK Conformity Assessed for the Great Britain market
• cULus: Listed to UL and CSA standards for the North American market
• UL 508: Standard for Industrial Control Equipment
• CCC: China Compulsory Certification for the Chinese market
• CSA / CAN/CSA C22.2 No.14: Canadian standard for industrial control equipment
• IEC/EN 60255-27: Measuring relays and protection equipment — product safety requirements
• IEC/EN 63000: Technical documentation for the assessment of electrical and electronic products with respect to the restriction of hazardous substances
• IEC/EN 61000-6-2: Electromagnetic compatibility — generic immunity standard for industrial environments
• IEC/EN 61000-6-3: Electromagnetic compatibility — generic emission standard for residential, commercial, and light-industrial environments
• IEC 60715: Dimensions of low-voltage switchgear and controlgear — standardised mounting on rails
• REACH: Compliant with EU REACH regulation on chemical substances
• RoHS: Restriction of Hazardous Substances compliant

Applications & Use Cases

• Motor under-current and over-current protection in pumping stations and HVAC systems
• Load monitoring and broken-belt or dry-run detection in conveyor and pump applications
• Process current monitoring in industrial automation and control panels
• Machine protection in manufacturing and packaging lines
• Building services electrical distribution boards requiring compact single-phase monitoring