Siemens HE43B100 – 100A 3 Pole Molded Case Circuit Breaker Deal

A reliable solution for commercial circuits, the Siemens HE43B100 is a 100A, 3-pole molded case circuit breaker. It handles up to 480VAC with a 25kAIC interrupting capacity at 480V and 65kAIC at 240V, ensuring robust defense against overloads and short circuits. This E-Frame unit mounts into Siemens P1, P2, and P3 panelboards. For facilities planning future upgrades, this legacy breaker is replaced by the HED43B100 model. It features fixed thermal and magnetic trip functions.