ABB 1SCA022847R3250 OTM400E4CM230C 400A 4P 230V Motorized Changeover Switch Disconnector

The ABB OTM400E4CM230C (SKU: 1SCA022847R3250) is a motorized changeover switch disconnector rated at 400 A with 4 poles and a 230 V AC control coil, designed for reliable automatic source changeover in low-voltage power distribution systems. Part of ABB's OTM series, this directly mounted unit enables seamless switching between two power supplies — ideal for generator changeover and critical load backup applications. It complies with IEC 60947-1 and carries CE marking for assured performance in industrial environments.

Technical Specifications

Certifications & Standards

• IEC 60947-1: Compliant with the international standard for low-voltage switchgear and controlgear — general rules
• CE: Certified to meet European Union safety, health, and environmental protection requirements
• RoHS: Compliant with EU Directive 2011/65/EU — restriction of hazardous substances in electrical and electronic equipment
• REACH: Compliant with EU REACH regulation on chemical substances
• EU Directive 2011/65/EU: RoHS recast directive compliance verified
• EU Directive 2015/863: RoHS amendment directive compliance verified
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive for responsible end-of-life disposal

Applications & Use Cases

• Automatic mains-to-generator changeover in commercial and industrial buildings
• Critical load backup switching in data centres, hospitals, and process plants
• Low-voltage main distribution boards and sub-distribution panels
• Motorized source selection in building management and automation systems
• 4-pole installations requiring neutral switching for full isolation of both power sources