Siemens LGB1B040B – 40A 1 Pole Molded Case Circuit Breaker Brand New

Belonging to the Siemens Sentron family, this 1-pole, 40A MCCB is built for commercial and industrial power distribution. It provides reliable thermal-magnetic protection for branch circuits. The bolt-on unit installs into Siemens P1, P2, and P3 panelboards. While part of the legacy GB/GG frame lineup, it serves as a crucial component before transitioning to the newer 3VA41 series. It features a robust 65kAIC rating at 277VAC and is both HACR and HID rated for versatile applications.