Siemens MBK125A 2 Pole Circuit Breaker
The Siemens MBK125A is a 2 Pole thermal magnetic molded case circuit breaker with a current rating of 125 Amps and a voltage rating of 120/240VAC. It has an interrupting rating of 22kAIC at 240V. The MBK125A has a plug-in connection type and includes long time and instantaneous trip functions.