Product Description: The Siemens HQJ23B175H00S07 is a Molded Case Circuit Breaker from the QJ Frame family. It features a 3-pole design with a 240V voltage rating and 175A amperage capacity. This breaker includes Thermal Magnetic protection and a 100kA@240V AIC rating. It comes with a 24VDC shunt trip and uses a Bolt-On connection for secure installation.