ABB 1SDA066432R1 AUX-C 1Q+1SY 250Vac/dc XT2-XT4 W Withdrawable Auxiliary Contact

The ABB AUX-C 1Q+1SY 250Vac/dc XT2-XT4 W (SKU: 1SDA066432R1) is a withdrawable auxiliary contact designed for use with ABB XT2 and XT4 series moulded case circuit breakers. Rated at 250V AC/DC, this auxiliary contact block provides essential signalling and monitoring functions for control panel applications, enabling reliable status indication and interlocking in industrial automation systems. It features a compact withdrawable mounting configuration with dimensions of 140 x 110 x 60 mm and weighs only 0.107 kg.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with Restriction of Hazardous Substances Directive
• REACH: Compliant with EU REACH chemical regulation
• EU Directive 2011/65/EU & Amendment 2015/863: Compliant with EU RoHS legislation and its amendment
• IEC 60947-2: Meets international standard for low-voltage switchgear and controlgear — circuit breakers
• UL 489: Listed to UL standard for molded-case circuit breakers
• CE: Conforms to European CE marking requirements
• WEEE: Compliant with Waste Electrical and Electronic Equipment Directive

Applications & Use Cases

• Status signalling and monitoring for ABB XT2 and XT4 moulded case circuit breakers
• Control panel interlocking and remote status indication in industrial automation systems
• Integration into motor control centres (MCCs) and distribution boards
• Supervisory control and SCADA connectivity via auxiliary contact outputs
• Building automation and industrial process control applications requiring reliable circuit breaker feedback