1SDA116447R1

ABB 1SDA116447R1 is a Shunt Opening Release (SOR) accessory designed for use with ABB SACE FORMULA DSP P1–P2 molded case circuit breakers (MCCBs). The device provides a reliable method of remotely opening or tripping the circuit breaker when the specified control voltage is applied to the release coil. The shunt opening release is suitable for control circuits operating at 220–240 V AC or 220–250 V DC.