QO Circuit breaker load centers, QOC30UF, from Square D are UL Listed and CSA rated panelboards. and meet Federal Specifications W-P-115c, Type 1, Class 2 for use in government housing. They are designed to meet residential, commercial, and industrial requirements to protect electrical systems, equipment, and people. This NQ Panelboard interior has a main lug and is rated at 100 A three phase. Interior has an interrupt current rating of up to 65 kA. This interior is for a 4 wire system with 30 circuits and has an aluminum bus bar. Interior is for QOB, QOBVH and QHB branch circuit breakers. This interior provides protection for your commercial and industrial applications. NQ Panelboard interiors are field convertible to top or bottom feed. Some factory installed options are split bus, lighting contactors, compression lugs, surge protection devices, and phenolic nameplates. Lug connections will accept 6 AWG to 2/0 AWG aluminum wire. Interior is 27 inches tall and 10.44 inches wide. This interior is UL listed and CSA certified. NQ Panelboard interiors can be used for applications such as commercial buildings, industrial buildings, stadiums, and offices.