ABB 1SVR405651R3000 CR-M4SS Standard Socket for 2c/o or 4c/o CR-M Relay 7A 250V Relay Socket

The ABB CR-M4SS (SKU: 1SVR405651R3000) is a standard relay socket designed for use with 2-changeover or 4-changeover CR-M series plug-in relays, rated at 7 A and 250 V. The CR-M4SS provides a reliable and secure DIN rail-mountable interface for CR-M relay modules, simplifying installation and replacement in control panels and industrial automation systems.

Technical Specifications

Certifications & Standards

• CAN/CSA C22.2 No.14: Canadian standard for industrial control equipment
• IEC/EN 63000: Technical documentation for evaluation of electrical and electronic equipment with respect to hazardous substances
• IEC/EN 61984: Connectors — safety requirements and tests
• UL 508: Standard for industrial control equipment (UL certified)
• CSA C22.2: Canadian Standards Association electrical safety certification
• CSA: Canadian Standards Association approval
• REACH: Compliant with EU REACH regulation on chemical substances
• RoHS: Restriction of Hazardous Substances directive compliant
• CE: Conforms to European Union safety, health, and environmental requirements
• UKCA: UK Conformity Assessed marking for Great Britain market
• EAC: Eurasian Conformity mark for Customs Union countries

Applications & Use Cases

• Control panel wiring for industrial automation systems
• PLC output interfaces requiring plug-in relay modules
• Machine control and process automation cabinets
• Building automation and HVAC control systems
• Relay replacement and maintenance — socket allows relay swap without rewiring