ABB 1SDA054874R1 SOR-C T4-T5-T6 380...440 Vac Shunt Opening Release Accessory for SACE Tmax T4 T5 T6 Circuit Breakers

The ABB SOR-C T4-T5-T6 380...440 Vac (SKU: 1SDA054874R1) is a shunt opening release accessory designed for the SACE Tmax T4, T5, and T6 series moulded case circuit breakers. Operating at a rated voltage of 380...440 Vac, this compact release coil enables remote trip signalling and emergency opening of the circuit breaker, making it an essential control component in industrial protection and automation systems.

Technical Specifications

Certifications & Standards

• CE: Conformité Européenne — meets EU health, safety, and environmental protection requirements
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU limiting hazardous materials in electrical equipment
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals — compliant with EU Regulation EC No 1907/2006
• WEEE: Waste Electrical and Electronic Equipment — compliant with EU Directive 2012/19/EU for responsible end-of-life disposal

Applications & Use Cases

• Remote emergency tripping of Tmax T4, T5, and T6 moulded case circuit breakers in industrial control panels
• Integration with building management systems (BMS) and SCADA for automated breaker opening commands
• Fire alarm panel interlock — opens the breaker automatically upon receiving a trip signal
• Motor feeder protection schemes requiring remote de-energisation capability
• Generator and transformer protection circuits in power distribution switchgear