Siemens JD3B300 3 Pole Circuit Breaker
The Siemens JD3B300 is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 300 Amps and a voltage rating of 600VAC. It has an interrupting rating of 65kAIC@240V. The JD3B300 has a bolt-on connection type and includes long time and instantaneous trip functions.