Siemens QPJ Series circuit breakers are used for protecting control panels, switchboards and motor control centres against current overloads and short-circuit conditions. These UL-listed breakers feature a thermal magnetic trip for providing both instantaneous and long-time current limiting functions. They are designed to deliver a maximum interrupting capacity of 10kA at 240V and are suitable for reverse feed applications. Choose from a wide range of these circuit breakers, available in 125, 150 and 200A current ratings on Raptor Supplies.