ABB 1SDA104804R1 AUX-C 1S51 250V AC/dC XT6 W Tmax XT Series Auxiliary Contact Block

The ABB 1SDA104804R1 AUX-C 1S51 250V AC/dC XT6 W is a dedicated auxiliary contact block designed for use with ABB Tmax XT6 series moulded case circuit breakers, providing reliable 1NO+1SI signalling contacts rated at 250V AC/DC for control panel integration and status monitoring. This compact accessory — weighing just 0.085 kg and measuring 110 × 140 × 60 mm — enables seamless position feedback and remote indication in industrial automation and switchgear applications. Compliant with IEC 60947-2, CE, RoHS, and REACH directives, the AUX-C 1S51 250V AC/dC XT6 W meets the most stringent quality and environmental standards demanded by modern industrial installations.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with EU Restriction of Hazardous Substances Directive
• REACH: Compliant with EU REACH chemical safety regulation
• 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 controlgear — circuit breakers
• UL 489: Listed to UL standard for molded-case circuit breakers
• CE: Conforms to applicable European Union directives and safety requirements
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive

Applications & Use Cases

• Status signalling and position feedback for ABB Tmax XT6 moulded case circuit breakers
• Remote open/closed indication in industrial control panels and switchgear assemblies
• Integration into building management, process automation, and energy distribution systems
• Motor control centres (MCCs) requiring breaker status monitoring
• Industrial automation installations where IEC 60947-2 compliance is mandatory