Square D NQ18L1C Panelboard

NQ18L1C Panelboard Interior from Square D (Schneider Electric) is a 100 A, 18-space NQ-series interior designed for 1-phase, 3-wire service. It uses copper bus and is rated for 240 VAC with a 48 VDC control voltage, providing a compact distribution point for downstream circuits. The interior accommodates 18 circuit positions and measures about 21 inches high by 10 7/16 inches wide, making it suitable for installations with limited enclosure depth. This interior is intended to be installed inside an NQ panelboard enclosure and configured for main-lug service, distributing power from the supply to branch circuits in residential or light-commercial applications where a 100 A main-lug arrangement is required. As part of the NQ merchandised panelboard family, it represents the interior portion used when a main breaker is not installed, delivering reliable, Square D engineering for organized circuit protection.