Product Description: The Siemens HQJ23B150H01S01 is a Molded Case Circuit Breaker from the QJ Frame family. It features a 3-pole design with a 240V voltage rating and 150A amperage capacity. This circuit breaker offers Thermal Magnetic protection and has an AIC rating of 100kA@240V. It includes a 120/240V shunt trip and uses a Bolt-On connection for secure installation.