ABB 1SCA022710R0520 OT250E04P 4-Pole 250A Base Mounted Switch Disconnector Low Voltage

The ABB OT250E04P (SKU 1SCA022710R0520) is a 4-pole, 250A base-mounted switch disconnector designed for low-voltage power distribution and isolation applications. Part of ABB's trusted OT series, the OT250E04P provides reliable circuit isolation in industrial control panels, machinery, and distribution boards — meeting the rigorous requirements of IEC 60947-3 and carrying CE, ATEX, and VDE certifications for global deployment.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with the Restriction of Hazardous Substances Directive
• REACH: Compliant with EU REACH regulation on chemical substances
• EU Directive 2011/65/EU & Amendment 2015/863: Fully compliant with the latest RoHS amendments
• IEC 60947-3: Meets the international standard for low-voltage switchgear — switches, disconnectors, and fuse-combination units
• IEC 60947-115: Compliant with additional low-voltage switchgear and controlgear requirements
• EN 60664: Meets insulation coordination requirements for equipment within low-voltage systems
• ATEX: Certified for use in potentially explosive atmospheres
• CE: Carries the CE marking in accordance with applicable EU directives
• VDE: Tested and approved by the German VDE institute
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive for responsible end-of-life disposal

Applications & Use Cases

• Main and branch circuit isolation in industrial control panels and distribution boards
• Machine tool and production line power isolation for safe maintenance procedures
• Building services and HVAC electrical distribution switchgear
• Hazardous-area installations requiring ATEX-rated disconnection
• OEM panel builders requiring a compact, base-mounted 4-pole 250A isolator with full IEC 60947-3 compliance