ABB 1SDA066137R1 SOR-C A1-A2 220-240Vac-220-250Vdc Shunt Opening Release Accessory for FORMULA Circuit Breaker

The ABB SOR-C A1-A2 220-240Vac-220-250Vdc (SKU: 1SDA066137R1) is a shunt opening release designed as a factory-fitted accessory for ABB FORMULA series circuit breakers. This release enables remote tripping of the circuit breaker upon application of the rated control voltage — 220–240 V AC or 220–250 V DC — providing critical protection and remote-control functionality in industrial control panels and power distribution systems.

Technical Specifications

Certifications & Standards

• CE: Complies with European Union directives for safety, health, and environmental protection
• IEC: Designed and tested in accordance with applicable IEC standards for low-voltage switchgear accessories
• RoHS: Restriction of Hazardous Substances — free from restricted hazardous materials per EU Directive 2011/65/EU
• REACH: Compliant with EU REACH regulation on chemical substances (EC No 1907/2006)
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive for responsible end-of-life disposal

Applications & Use Cases

• Remote trip control of ABB FORMULA series moulded case circuit breakers from a safe distance
• Integration into Building Management Systems (BMS) and SCADA for automated circuit disconnection
• Emergency shutdown circuits in industrial machinery and control panels
• Fire alarm and safety interlock systems requiring immediate power disconnection
• Industrial automation and process control environments operating at 220–240 V AC or 220–250 V DC control voltage