Product Description: The Siemens HQJ23B150H01S07 is a Molded Case Circuit Breaker from the QJ Frame family. It features a 3-pole design with a 240V, 150A rating and a 100kA@240V AIC rating. This breaker includes Thermal Magnetic protection and a Bolt-On connection. It also comes with a 24VDC shunt trip for added functionality.