NF Panelboard interiors can be used for applications such as commercial buildings, industrial buildings, stadiums, and offices. These interiors provide protection for commercial and industrial applications. NF Panelboards feature a wide selection of circuit breakers, accessories, and ready to install kits. NF Panelboards are field convertible to top or bottom feed. NF Panelboards are convertible from main lug to main breaker. NF Panelboards can provide 200% rated neutrals for nonlinear loads. Some factory installed options are split bus, lighting contactors, compression lugs, surge protection devices, and phenolic nameplates. The main lugs are rated at 250A 480Y/277 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 EDB, EDG, and EDJ branch circuit breakers. Line lug connections will accept 6 AWG to 350 kcmil aluminum wire. The interior is 39 inches tall and 10.44 inches wide. This interior is UL listed and CSA certified.