ABB 1SCA153457R1001 OXB250E3S2QT TruONE 4P 200-480VAC Open Style Automatic Transfer Switch

The ABB OXB250E3S2QT automatic transfer switch (SKU 1SCA153457R1001) is a 4-pole, open-style ATS from the TruONE series, rated for 200–480 VAC and engineered for seamless source switching in critical power infrastructure. Designed to meet the demands of industrial and commercial applications, the OXB250E3S2QT ensures reliable changeover between primary and backup power supplies, minimising downtime in control panels and distribution systems.

Technical Specifications

Certifications & Standards

• IEC 60947-6-1: International standard for low-voltage switchgear and controlgear — automatic transfer switching equipment
• IEC 60947-6: Low-voltage switchgear and controlgear — multiple function equipment
• EN 45555: General methods for the assessment of the lifetime of networked equipment and measures to improve the resource efficiency of networked equipment
• REACH: Compliant with EU regulation on registration, evaluation, authorisation and restriction of chemicals
• RoHS: Restriction of Hazardous Substances compliant — free from restricted substances per EU Directive 2011/65/EU
• CE: CE marked in accordance with applicable EU directives for market access in the European Economic Area
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive 2012/19/EU for responsible end-of-life disposal

Applications & Use Cases

• Critical power backup switching in data centres, hospitals, and industrial facilities
• Generator-to-mains changeover in commercial buildings and infrastructure projects
• Main distribution boards and MCC panels requiring automatic source transfer
• Industrial automation systems where uninterrupted power is essential
• Utility and renewable energy installations requiring dual-source management