Siemens LGB3B050B – 50A 3 Pole Molded Case Circuit Breaker Discount

Built for commercial and industrial applications, the Siemens LGB3B050B is a 3-pole, 50-amp molded case circuit breaker from the Sentron GB/GG frame family. It provides reliable thermal-magnetic protection with long-time and instantaneous (LI) trip functions. This unit bolts into Siemens P1, P2, and P3 panelboards. For modern upgrades, it is replaced by the 3VA4150-6ED34-0AA0, which requires a specific mounting kit. Rated for 65kAIC at 480Y/277VAC, it features load side lugs and an HACR rating.