Siemens / ITE Bolt-On Circuit Breaker Its Compact And Easy to Install two poles molded case circuit breaker features a thermal magnetic over current protection system it has an interrupting rating of 10 kilo-Amps the circuit breaker is designed with a bolt-on connection type with a terminal load lug the circuit breaker has a BQ type of frame and it has voltage rating of 120/240 Volts at a frequency of 60 Hz it has a current rating of 40 amps at an operating temperature of 40 deg c circuit breaker is Ul listed and Csa certified.