Authentic Federal Pacific NEF421100 – 100A 2 Pole Molded Case Circuit Breaker

Restoring power to older commercial facilities requires exact-fit components like the Federal Pacific NEF421100. This 2-pole, 100-amp molded case circuit breaker delivers essential thermal-magnetic protection for industrial distribution systems operating up to 480VAC or 250VDC. Designed as a drop-in replacement, it bolts into legacy FPE NEF panelboards without requiring aftermarket adapters. The breaker provides a 14kAIC rating at 480V and features a vibration-tested, reverse-feed design.