NQ Panelboard interiors can be used for applications such as commercial buildings, industrial buildings, stadiums, and offices. NQ Panelboards are versatile panelboards that feature a wide selection of circuit breakers, accessories, and ready to install kits. NQ Panelboard interiors are field convertible to top or bottom feed. NQ Panelboards are convertible from main lug to main breaker. NQ Panelboards provide 200% rated neutrals for nonlinear loads. Some factory installed options are split bus, lighting contactors, compression lugs, surge protection devices, and phenolic nameplates. This interior provides protection for your commercial and industrial applications. The main only lugs are rated at 225A, 120/240 VAC 3 phase. Interior has an interrupt current rating of up to 65 kA. This interior is for a 4 wire system with 42 spaces and has a copper bus bar. Interior is for QOB, QOBVH and QHB branch circuit breakers. Lug connections will accept two 6 AWG to 300 kcmil copper or aluminum wire. This NQ panelboard interior is UL listed and CSA certified.