ABB 1SDA066150R1 AUX-C 2Q+1SY 250 Va.c/d.c. A1-A2 3p-4p Auxiliary Contact Accessory for Circuit Breaker

The ABB AUX-C 2Q+1SY 250 Va.c/d.c. A1-A2 3p-4p (SKU: 1SDA066150R1) is a dedicated auxiliary contact accessory for circuit breakers in ABB's FORMULA series, providing reliable status signalling and switching at up to 250V AC/DC across both 3-pole and 4-pole configurations. Designed for seamless integration into control panels and industrial automation systems, this compact accessory enables remote position indication and auxiliary switching without compromising the main breaker's performance. Weighing only 0.113 kg and measuring 28.6 × 107 × 136 mm, the AUX-C 2Q+1SY 250 Va.c/d.c. A1-A2 3p-4p fits neatly within tight enclosure layouts.

Technical Specifications

Certifications & Standards

• CE: Conforms to applicable European Union directives for electrical equipment
• RoHS: Compliant with EU Directive 2011/65/EU on restriction of hazardous substances in electrical and electronic equipment
• REACH: Compliant with EU REACH regulation (EC No. 1907/2006) on chemical safety
• EU Directive 2011/65/EU: RoHS recast directive restricting the use of hazardous substances
• Amendment 2015/863: RoHS 3 amendment extending the list of restricted substances
• WEEE: Compliant with the Waste Electrical and Electronic Equipment Directive for proper end-of-life recycling

Applications & Use Cases

• Remote position signalling (open/closed indication) for FORMULA series circuit breakers in MCC and distribution panels
• Auxiliary switching in industrial automation and control panel wiring
• Building automation and facility management systems requiring breaker status feedback
• Motor control centres where breaker state must be monitored by a PLC or SCADA system
• Any 3-pole or 4-pole FORMULA circuit breaker installation requiring auxiliary contact functionality up to 250V AC/DC