ABB 1SDA104789R1 AUX-C 1Q+1SY 250V AC/DC XT5 W Tmax XT Auxiliary Contact Block

The ABB AUX-C 1Q+1SY 250V AC/DC XT5 W (SKU: 1SDA104789R1) is a Tmax XT series auxiliary contact block designed for use with XT5 and XT6 moulded case circuit breakers. Rated at 250V AC/DC and featuring a 1Q+1SY contact configuration, this accessory extends the signalling and monitoring capabilities of your circuit breaker installation in industrial control panels and power distribution assemblies.

Technical Specifications

Certifications & Standards

• CE: Conforms to European Union directives for electrical equipment safety and electromagnetic compatibility
• IEC 60947-2: Compliant with the international standard for low-voltage switchgear and controlgear — circuit breakers
• UL489: Listed under UL standard for molded-case circuit breakers and circuit breaker enclosures
• RoHS: Restriction of Hazardous Substances — free from restricted materials including lead, mercury, and cadmium
• REACH: Compliant with EU REACH regulation on the registration, evaluation, and authorisation of chemical substances
• WEEE: Compliant with the Waste Electrical and Electronic Equipment directive for responsible disposal and recycling

Applications & Use Cases

• Status signalling and remote monitoring of XT5/XT6 circuit breaker trip and alarm states
• Integration into industrial control panels and motor control centres (MCCs)
• Building automation and power distribution boards requiring breaker feedback signals
• PLC and SCADA interfacing for real-time circuit breaker status acquisition
• Industrial automation systems requiring auxiliary 1Q+1SY contact outputs at 250V AC/DC