The Federal Pacific Electric NEF421050 is a 50-amp, 480-volt, 2-pole circuit breaker designed to protect electrical circuits from overcurrent in panels. With its 2-pole configuration, it provides two current paths for 480 V circuits, making it suitable for protecting feeders and branch circuits in compatible panels. The model number NEF421050 identifies this unit as a Federal Pacific Electric NEF-series breaker, carrying a 50 A rating for 480 V service. Install this breaker in panels rated for 480 V and matched to a 50 A load to ensure proper protection of the circuit it serves.
