ABB 1SDA066326R1 SOR-C XT1..XT4 F/P 380-440 Vac Shunt Opening Release

The ABB 1SDA066326R1 SOR-C XT1..XT4 F/P 380-440 Vac is a shunt opening release designed for use with ABB Tmax XT series circuit breakers (XT1 through XT4) in fixed and plug-in mounting configurations. Rated at 380–440 V AC, this accessory enables remote or automatic tripping of the circuit breaker upon receipt of an electrical signal, making it a critical component in protection and control schemes for industrial power distribution panels.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with Restriction of Hazardous Substances Directive
• REACH: Compliant with REACH regulation on chemical substances
• EU Directive 2011/65/EU & Amendment 2015/863: Compliant with EU RoHS recast and updated restricted substances list
• IEC 60947-2: Compliant with international standard for low-voltage circuit breakers and their accessories
• UL 489: Listed to UL standard for molded-case circuit breakers and accessories
• CE: CE marked in accordance with applicable EU directives
• WEEE: Compliant with Waste Electrical and Electronic Equipment Directive

Applications & Use Cases

• Remote tripping of Tmax XT1–XT4 circuit breakers via supervisory or protection relay signals
• Integration into fire suppression, emergency stop, and safety shutdown systems
• Automation of power distribution panels requiring electrically initiated breaker opening
• Industrial control panels, motor control centres (MCCs), and switchgear assemblies