The Square D NQ430L4C panelboard interior 400A main lugs copper bus 3PH 240VAC 48VDC is an industrial replacement part from Square D. It fills a specific mechanical or electrical role within the system it's installed in. Key specifications noted on this listing include 240VAC, 48VDC, 400A. It is commonly in OEM equipment and MRO (maintenance, repair, and operations) use.
