Deliver electricity to the branch circuit breakers within a load center with the Eaton Cutler-Hammer 200 Amp 2 in. Double-Pole Type-BW Main Circuit Breaker. This circuit breaker offers 2 spaces and 2 circuits and is rated 120/240 VAC. This breaker is UL approved as a replacement product and is designed for use with Westinghouse, Challenger and Bryant type load centers.