This MERLIN GERIN 400 AMP CIRCUIT BREAKER 600 VAC 3 POLE NSJ400 a is a circuit protection device in industrial equipment. It serves as the protective device in an electrical circuit, stopping current flow when a fault is detected. Key specifications noted on this listing include 600 VAC, 400 AMP, 3 POLE. It is commonly in power distribution panels and industrial control circuits.
