Fast Shipping Siemens HGB3B125B – 125A 3 Pole Molded Case Circuit Breaker

A robust solution for heavy-duty power distribution, the Siemens HGB3B125B is a 3-pole, 125A bolt-on molded case circuit breaker. It provides an impressive 100kAIC at 240V and 35kAIC at 480Y/277V, making it ideal for high-fault commercial systems. This GB frame breaker installs into Siemens P1 through P5 panelboards and is HACR rated. As this model transitions out, it is replaced by the 3VA5112-5EC31-0AA0, which necessitates a specific mounting kit for panelboard integration.