This FPE CIRCUIT BREAKER 3 POLE, 400 AMP, 480 VAC, TYPE NJJ NJJ232400 is a circuit protection device. It provides overcurrent protection, breaking the circuit automatically if current exceeds a safe level. Key specifications noted on this listing include 480 VAC, 400 AMP, 3 POLE. It is commonly in OEM equipment and MRO replacement for electrical protection devices.
