Siemens QJ23B20000S01 is a 200 A, three-pole molded-case circuit breaker from the QJ frame, designed for 240 V AC operation with a 10 kA interrupting capacity at 240 V.
This bolt-on unit includes load-lug terminals and a 120/240 V shunt-trip option for remote control.
Its thermal-magnetic trip provides separate long-time and instantaneous trip functions, with a non-interchangeable trip mechanism.
