Schneider Electric NQ418L1C NQ Panel Interior Main Lug

Schneider Electric's NQ418L1C Panelboard Interior is a 100 A main-lug kit for the NQ series panelboards, delivering 18 pole spaces for a 3‑phase, 4‑wire distribution system at 240 V AC. Built around copper bus, the interior supports 240 VAC operation and is listed with 48 V DC compatibility within the NQ family, enabling DC control circuits where required. This interior is designed for interior mounting inside an NQ panelboard and provides lug connections up to 100 A across 18 circuits, with support for copper or aluminum conductors in accordance with Square D/NQ accessory standards. As a main-lug configuration, it enables a panel to function without a primary main breaker while still delivering reliable distribution across the 18 available spaces. The NQ418L1C sits within Schneider Electric's NQ merchandise lineup and is compatible with the broader ecosystem of NQ accessories, including plug-on and bolt-on breakers, allowing you to tailor a 3‑phase, 4‑wire distribution network for commercial environments requiring scalable, code-compliant electrical distribution.