ABB 1SCA022775R4640 OT250E04CP 4-Pole 250A Base Mount Manual Change-Over Switch

The ABB OT250E04CP (SKU: 1SCA022775R4640) is a 4-pole 250A manual change-over switch designed for reliable source switching in industrial power distribution and control panel applications. Featuring base mounting for secure installation, this switch delivers robust performance in demanding environments and carries DNV marine certification alongside IEC 60947-1 compliance, making it suitable for both land-based and offshore installations.

Technical Specifications

Certifications & Standards

• CE: Conformité Européenne — meets EU health, safety, and environmental protection requirements
• IEC 60947-1: Compliant with the international standard for low-voltage switchgear and controlgear general rules
• DNV: Det Norske Veritas approval — certified for marine and offshore applications
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals — EU REACH regulation compliant
• WEEE: Waste Electrical and Electronic Equipment Directive compliant for responsible end-of-life disposal

Applications & Use Cases

• Manual transfer between two power sources (mains / generator or mains / mains) in industrial facilities
• Control panels and motor control centres (MCCs) requiring manual source changeover
• Marine and offshore installations where DNV certification is required
• Building services, data centres, and critical infrastructure backup power switching
• Industrial automation systems where the OT250E04CP provides a dependable 250A isolation and changeover point