The Eaton 3BR4242BC125R Main Breaker Load Center is a 125A, 42-space panel with a NEMA 3R enclosure. It supports 208Y/120V systems and carries a 10kA short‑circuit rating. Designed for main-breaker configurations, it centralizes electrical distribution in commercial or industrial installations. The 42-space layout accommodates a wide range of branch breakers to fit diverse electrical designs.
