Specifications General Product Name: Shunt Closing & Opening Release Coil Part Number: YO-1SDA038292R1 Manufacturer: ABB SACE (Low-Voltage Power Accessories) Accessory Type: Shunt release coil for circuit breaker control Function Enables remote opening (trip) and remote closing of the circuit breaker via external electrical signal Used in motor control, safety interlock systems, automation sequences, and remote operation panels Electrical Characteristics Rated Control Voltage: 220–240 V AC/DC Frequency: 50/60 Hz Operates on standard industrial control voltages Dual-function coil designed for both opening and closing actuation Compatibility Applicable Circuit Breakers: ABB Emax series low-voltage breakers Frame Sizes: Typically suitable for E1 to E6 / T8 frame breakers Physical / Mechanical Compact accessory designed to mount in breaker accessory slot or panel mount Standard industrial grade construction for reliable operation in control cabinets Operational Features Supports remote breaker control via electrical logic signals Enhances system safety by integrating breaker control with automation and safety systems Can be interfaced with PLCs, building management systems, and alarm interlocks Applications Industrial switchboards and distribution panels Motor control centers (MCCs) Automated electrical control systems Emergency stop / safety interlock circuits Remote breaker actuation in process automation Standards & Compliance Designed according to IEC low-voltage accessory norms Robust design suitable for industrial environments