ABB 1SVR730824R9300 CM-PFS.S Three-Phase Monitoring Relay 2C/O 200-500V AC 50/60Hz Phase Sequence Failure Detection

The ABB CM-PFS.S (SKU: 1SVR730824R9300) is a three-phase monitoring relay designed to detect phase sequence faults, phase failure, and asymmetry in industrial power systems operating at 200–500V AC, 50/60Hz. Featuring a dual change-over (2C/O) output contact rated at 4A, the CM-PFS.S from ABB's CM Series provides reliable protection for motors, pumps, compressors, and other three-phase loads in demanding control panel environments. Its compact 22.5mm DIN rail footprint makes it ideal for space-constrained installations.

Technical Specifications

Certifications & Standards

• CE: Conforms to European Union safety, health, and environmental protection requirements
• UKCA: UK Conformity Assessed marking for Great Britain market compliance
• cULus: Listed by Underwriters Laboratories for both US and Canadian markets
• UL 508: Industrial Control Equipment standard compliance
• CAN/CSA C22.2 No.14: Canadian Standards Association industrial control equipment certification
• CSA: CSA Group certified for Canadian electrical safety requirements
• IEC/EN 60255-27: Measuring relays and protection equipment — product safety requirements
• IEC/EN 63000: Technical documentation for assessment of electrical and electronic products with respect to restriction of hazardous substances
• IEC/EN 61000-6-2: Electromagnetic compatibility — immunity standard for industrial environments
• IEC/EN 61000-6-3: Electromagnetic compatibility — emission standard for residential and light industrial environments
• CCC: China Compulsory Certification for the Chinese market
• REACH: Compliant with EU REACH regulation on registration, evaluation, authorisation and restriction of chemicals
• RoHS: Compliant with EU Restriction of Hazardous Substances Directive