ABB 1SVR550870R9400 CM-PVE Phase Monitoring Relay 1NO 185-265V AC L1 L2 L3-N

The ABB CM-PVE (SKU: 1SVR550870R9400) is a phase monitoring relay designed to protect three-phase electrical systems by continuously supervising voltage across L1, L2, L3, and N. The CM-PVE operates on a rated voltage of 185–265 V AC and features a 1NO output contact, making it a compact, reliable solution for detecting phase loss, phase asymmetry, and under/over-voltage conditions in industrial control panels and automation systems.

Technical Specifications

Certifications & Standards

• CE: Compliant with European Union directives for electrical equipment safety and EMC
• UKCA: UK Conformity Assessed marking for Great Britain market access
• UL 508: Listed to UL 508 standard for industrial control equipment (USA)
• cUL: UL certification recognized for Canada
• CAN/CSA C22.2 No.14: Canadian Standards Association certification for industrial control equipment
• CSA C22.2: CSA standard compliance for electrical products in Canada
• CCC: China Compulsory Certification for the Chinese market
• IEC/EN 63000: Technical documentation for RoHS assessment of electrical and electronic equipment
• IEC/EN 61000-6-2: Electromagnetic compatibility — immunity for industrial environments
• IEC/EN 61000-6-3: Electromagnetic compatibility — emission standard for residential and industrial environments
• EN 61000-6: Generic EMC standards for industrial applications
• REACH: Compliant with EU REACH regulation on chemical substances
• RoHS: Restriction of Hazardous Substances compliant

Applications & Use Cases

• Phase loss and phase failure detection in three-phase industrial power systems
• Motor protection in manufacturing plants, pumping stations, and HVAC systems
• Preventing equipment damage from unbalanced or missing phase voltages in control panels
• Integration into building automation and industrial automation control systems
• Safeguarding three-phase loads in compressors, conveyors, and process machinery