This Eaton BR main lug loadcenter is designed for reliable single-phase power distribution. It features a white NEMA 1 enclosure and accommodates 20 circuits with a 125 Amp main breaker. Built with quality and durability in mind, it's a robust solution for your electrical needs..The Eaton BR main lug loadcenter is a single-phase unit with a 125 Amp rating and a 20-circuit capacity. It features a white NEMA 1 enclosure and a main breaker. The interrupt rating is 25 kAIC.