Next Day Delivery Siemens HGB2B125B – 125A 2 Pole Molded Case Circuit Breaker

Built for commercial applications, the Siemens HGB2B125B is a 2-pole, 125A MCCB from the Sentron GB frame family. This bolt-on breaker installs into Siemens P1 through P5 panelboards. It is replaced by the 3VA5112-6ED21-0AA0, which requires a separate mounting kit for panel integration. Rated at 100kAIC at 240V and 35kAIC at 480Y/277V, it handles significant fault currents. It features fixed thermal-magnetic trip functions and an HACR rating.