Product Description: The Siemens HQJ23B125H00S07 is a Molded Case Circuit Breaker from the QJ Frame family. It features a 3-pole design with a 240V, 125A rating and a 100kA@240V AIC rating. This circuit breaker includes Thermal Magnetic protection and a Bolt-On connection. It also comes with a 24VDC shunt trip for added functionality.