ABB 1SCA022771R3450 OT250E03CP 3-Pole 250A Base Mount Manual Change-Over Switch

The ABB OT250E03CP (SKU: 1SCA022771R3450) is a 3-pole 250A manual change-over switch designed for reliable source switching in industrial power distribution systems. Base-mounted and built to IEC 60947-1 standards, the OT250E03CP delivers robust performance for generator changeover, dual-supply transfer, and load transfer applications in control panels and switchgear assemblies.

Technical Specifications

Certifications & Standards

• CE: Compliant with EU directives for electrical equipment safety and electromagnetic compatibility
• IEC 60947-1: Meets the international standard for low-voltage switchgear and controlgear — general rules
• DNV: Approved by Det Norske Veritas for marine and offshore applications
• RoHS: Restriction of Hazardous Substances compliant — free from restricted materials
• REACH: Compliant with EU REACH regulation on chemical substances
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive for responsible disposal

Applications & Use Cases

• Generator-to-mains changeover in industrial facilities and data centres
• Dual-supply source transfer in control panels and motor control centres
• Load transfer switching in marine and offshore installations (DNV approved)
• Manual source selection in building management and infrastructure switchgear
• Backup power distribution systems requiring reliable manual intervention