Siemens EF3B125 – 125A 3 Pole Molded Case Circuit Breaker Price Cut

Serving as a robust protection solution, the Siemens EF3B125 is a 125A, 3-pole molded case circuit breaker. It utilizes fixed thermal and magnetic trip elements to safeguard commercial circuits up to 600VAC. Designed for bolt-on installation, it fits into Siemens P1, P2, and P3 panelboards as well as older I-T-E systems. While this legacy EF-frame model is highly sought after, it is replaced by the ED63B125. The breaker provides a 14kAIC rating at 480VAC and accommodates 4-3/0 AWG wire.