ABB 1SFN035203R1000 VM205/265 Mechanical Interlock Unit Mechanic Interlock for Switch

The ABB VM205/265 Mechanical Interlock Unit (SKU: 1SFN035203R1000) is a dedicated mechanic interlock for switch assemblies, designed to prevent simultaneous operation of two switching devices in industrial control panels and automation systems. This compact accessory ensures safe, reliable interlocking in compliance with international standards, making it an essential component for engineers specifying motor control and switchgear installations.

Technical Specifications

Certifications & Standards

• CE: Conforms to European Union safety, health, and environmental protection requirements
• UKCA: UK Conformity Assessed marking for the Great Britain market
• RoHS: Compliant with EU Restriction of Hazardous Substances Directive
• REACH: Compliant with EU REACH regulation on chemical substances
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive
• CSA C22.2 NO. 60947-5-1-14: Certified to Canadian Standards Association low-voltage switchgear and controlgear standard
• cUL: Underwriters Laboratories certification for the Canadian market

Applications & Use Cases

• Motor reversing starter circuits requiring prevention of simultaneous forward/reverse contactor energisation
• Star-delta starter assemblies in industrial motor control centres
• Control panel interlocking where two switching devices must never operate concurrently
• Automation and process control switchgear in manufacturing, HVAC, and utilities