ABB 1SDA066428R1 AUX-C 3Q L 250Vac/dc XT3 Auxiliary Contact Accessory for Circuit Breaker

The ABB 1SDA066428R1 AUX-C 3Q L 250Vac/dc XT3 is a factory-designed auxiliary contact accessory engineered for seamless integration with ABB Tmax XT3 series moulded case circuit breakers. Rated at 250V AC/DC, this accessory extends the monitoring and signalling capabilities of your circuit breaker installation, enabling reliable status feedback in control panels and industrial automation systems. The AUX-C 3Q L 250Vac/dc XT3 is fully compliant with IEC 60947-2 and carries CE, UL489, RoHS, REACH, and WEEE certifications, making it the correct specification choice for global projects.

Technical Specifications

Certifications & Standards

• CE: Complies with European Union directives for electrical equipment safety and electromagnetic compatibility
• IEC 60947-2: Conforms to the international standard for low-voltage switchgear and controlgear — circuit breakers
• UL 489: Listed to UL standard for molded-case circuit breakers, applicable for North American installations
• 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 chemicals
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive for responsible end-of-life recycling

Applications & Use Cases

• Circuit breaker status monitoring in industrial control panels and MCC assemblies
• Remote signalling of open/closed/tripped breaker states to PLC inputs or SCADA systems
• Interlocking and interlock logic in motor control and power distribution switchboards
• Building automation and facility management systems requiring breaker position feedback
• OEM machine builders integrating ABB Tmax XT3 breakers into standard control cabinet designs