Product Description: The Siemens HQJ23B125H00S11 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 breaker uses a Bolt-On connection and includes Thermal Magnetic protection. It also comes with a 25VDC shunt trip.