ABB 1SVR550871R9500 CM-PVE Phase Monitoring Relay 1NO 320-460V AC 3-Phase

The ABB CM-PVE (SKU: 1SVR550871R9500) is a 3-phase monitoring relay designed to protect electrical equipment against phase failures, phase asymmetry, and incorrect phase sequences. The CM-PVE monitors supply voltages in the range of 320–460 V AC and provides a 1NO (normally open) output contact, making it a reliable choice for motor protection and industrial control panel applications.

Technical Specifications

Certifications & Standards

• CE: Compliant with European directives for safety and market access
• UKCA: UK Conformity Assessed mark for the UK market
• UL 508: Listed for industrial control equipment (USA)
• cUL: Canadian UL listing for industrial control equipment
• CSA: Canadian Standards Association certification
• CSA C22.2 No.14: Industrial control equipment standard (Canada)
• CCC: China Compulsory Certification for the Chinese market
• IEC/EN 63000: Technical documentation for RoHS assessment of electrical and electronic equipment
• EN 63000: European harmonised standard aligned with IEC 63000
• IEC/EN 61000-6: Electromagnetic compatibility (EMC) generic standards
• EN 61000-6: European EMC generic standard for industrial environments
• IEC 60715: Dimensions of low-voltage switchgear and controlgear — DIN rail mounting
• REACH: Compliant with EU regulation on chemicals (SVHC)
• RoHS: Restriction of Hazardous Substances compliant

Applications & Use Cases

The ABB CM-PVE phase monitoring relay is widely used in industrial automation and motor protection applications where 3-phase power quality is critical. Typical installations include:

• Protection of 3-phase motors against phase loss, phase reversal, and asymmetry
• Control panel integration for manufacturing and process automation
• HVAC systems and pump stations requiring continuous phase supervision
• Machine tool and compressor protection circuits
• Building automation and industrial drive protection