Federal Pacific Electric NEJ1 U 600V 3P NEJB circuit breaker is a three-pole protective device rated for 600 volts, identified by the NEJ1 U model designation within the NEJB series. It functions as overcurrent protection by interrupting fault currents in three-pole electrical distributions operating at 600 volts. Use this breaker in installations that require a 3-pole, 600-volt Federal Pacific Electric protection device.
