Square D QO 100A Main Lug Load Center is a reliable and durable solution designed for residential, commercial, and industrial power distribution. This Type QO main lug load center features a main lug only configuration, supporting single-phase, 3-wire systems. Built with a rugged thermoplastic interior and an aluminum bus bar, it includes three ground bar locations and comes with a cover for added protection. UL listed and specifically tested for QO circuit breakers, this load center is engineered to provide fast installation and wire savings. It is suitable for outdoor use, ensuring versatility and safety in various settings. Model Number: QO100L100M