Federal Pacific Electric 3P40 U circuit breaker is a three-pole, 40-amp device designed for 240-volt circuits. Rated with a 10K interrupting capacity, it provides overcurrent protection for 240V three-phase feeders up to 40A. Identified as Type U, this breaker is intended for use in compatible Federal Pacific Electric panels that accept the 3P40 U form factor. Common applications include protecting 240V, three-pole branch circuits in electrical distribution systems.
