Product Description: The Siemens HQJ23B100H01S01 is a Molded Case Circuit Breaker from the QJ Frame family. It features a 3-pole design with a 240V voltage rating and 100 amp capacity, offering a 100kA@240V AIC rating. This bolt-on circuit breaker includes thermal magnetic protection for reliable performance. It also comes with a 120/240V shunt trip for added functionality.