This Siemens Q340 Circuit Breaker is a reliable and efficient choice for your circuit protection needs. With a maximum amperage of 40A and voltage rating of 240V AC, it is compatible with Siemens EQ Load Centers and features a plug-in mounting style. The circuit breaker is made with ABS/plastic material and has a frame size of 125A/QP, with a width of 3.7 inches and depth of 12.8 inches. It has a DC voltage rating not rated and a maximum AIR rating of 10kA at 120V AC. The circuit breaker type is standard, with a current type of AC and a phase three. It also features a terminal connection lug and a circuit breaker actuator toggle.