ABB 1SDA066332R1 SOR-C XT2-XT4 W 220-240Vac-220-250Vdc Shunt Opening Release Tmax XT Withdrawable

The ABB 1SDA066332R1 SOR-C XT2-XT4 W 220-240Vac-220-250Vdc is a shunt opening release (SOR) designed for use with ABB Tmax XT2 and XT4 series moulded case circuit breakers in the withdrawable configuration. This accessory enables remote tripping of the circuit breaker upon receiving a voltage signal in the range of 220–240 V AC or 220–250 V DC, making it an essential component for electrical protection and control panel automation applications.

Technical Specifications

Certifications & Standards

• CE: Conforms to European Union safety, health, and environmental protection requirements
• IEC 60947-2: Compliant with international standard for low-voltage circuit breakers and accessories
• UL 489: Listed to UL standard for molded-case circuit breakers and circuit breaker enclosures
• RoHS: Restriction of Hazardous Substances — free from restricted materials per EU Directive 2011/65/EU
• REACH: Compliant with EU REACH regulation on chemical substances (EC No 1907/2006)
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive 2012/19/EU

Applications & Use Cases

• Remote tripping of Tmax XT2 and XT4 circuit breakers from a control panel or supervisory system
• Integration into fire alarm, emergency shutdown, and safety interlock circuits
• Industrial automation and motor control centres (MCCs) requiring remote electrical trip functionality
• Switchgear panels in commercial, industrial, and infrastructure installations
• Building management systems requiring centralised electrical isolation capability