ABB 1SDA104802R1 AUX-C 1Q+1SY 250V AC/DC XT6 W Tmax XT Auxiliary Contact Block

The ABB 1SDA104802R1 AUX-C 1Q+1SY 250V AC/DC XT6 W is a plug-in auxiliary contact block designed for use with ABB Tmax XT6 series moulded case circuit breakers, providing 1 instantaneous signalling contact (1Q) plus 1 fault-trip signalling contact (1SY) rated at 250V AC/DC. This compact accessory enables remote monitoring of breaker status and fault conditions in control panels and industrial automation systems, making it an essential component for electrical engineers and panel builders requiring reliable breaker state feedback.

Technical Specifications

Certifications & Standards

• CE: Compliant with European Union CE marking requirements
• RoHS: Restriction of Hazardous Substances compliant
• REACH: Compliant with EU REACH regulation on chemical substances
• EU Directive 2011/65/EU & Amendment 2015/863: Compliant as of July 22, 2019
• IEC 60947-2: Compliant with international standard for low-voltage switchgear and circuit breakers
• UL489: Listed per UL standard for molded-case circuit breakers
• WEEE: Compliant with Waste Electrical and Electronic Equipment directive

Applications & Use Cases

• Remote status monitoring of ABB Tmax XT6 moulded case circuit breakers in control panels
• Fault-trip indication in industrial automation and motor control centres (MCCs)
• Integration with PLCs and SCADA systems for real-time breaker diagnostics
• Building management systems (BMS) requiring circuit breaker open/close feedback
• Panel builders and OEMs assembling switchgear for industrial and commercial installations