Schneider Electric NQ454L4C Panelboard Interior

Schneider Electric NQ454L4C Panelboard Interior is a 400 A main-lugs interior for the NQ panelboard family, offering 54 pole spaces in a 3-phase, 4-wire 240 V AC distribution with copper bus and a 48 V DC control circuit capability. This interior is designed for main-lugs-only (MLO) installations and is intended to be paired with Schneider Electric enclosures and accessories to form a complete panelboard assembly. With 54 circuit positions, the NQ454L4C supports organizing a broad set of branch circuits within a single 400 A, 240 V system, while the copper bus provides a robust, low-impedance path to meet the full rated current. The 48 V DC capability accommodates control and signaling circuits commonly used in building automation and equipment control within the same interior, streamlining installation. As part of Square D's NQ series, this panelboard interior reflects Schneider Electric's modular approach to electrical distribution, enabling scalable design for projects that require a 400 A rating and a 54-space, 3P4W configuration.