Special Discount Siemens NGB2B125B – 125A 2 Pole Molded Case Circuit Breaker

Engineered for commercial power distribution, the Siemens NGB2B125B is a 2-pole, 125A molded case circuit breaker with a fixed thermal-magnetic trip mechanism. This bolt-on breaker mounts into Siemens P1, P2, and P3 panelboards. It is the predecessor to the 3VA51 series, which requires a separate mounting kit. Delivering 100kAIC at 240VAC and 25kAIC at 480Y/277VAC, it handles demanding environments and supports reverse feed applications.