Product Description: The Cutler Hammer HFD4050L is a Molded Case Circuit Breaker from the Series C family. It features a 4-pole design with a 600V, 50A rating and a 65kA@480V AIC rating. This breaker uses a Feed-Thru connection and includes Thermal Magnetic protection. It is manufactured by Cutler Hammer, Eaton, and Westinghouse.