The Eaton Cutler-Hammer HFD3020BU molded case circuit breaker is a three-pole device rated at 20 amperes and 480 volts, designed to provide overcurrent protection for 3‑phase electrical circuits. Identified by the HFD3020BU model, this Cutler-Hammer MCCB is part of Eaton's HFD family and is used to interrupt current during overload or short‑circuit conditions in 3‑phase power networks. With a 3P configuration and 20 A rating at 480 V, it serves as compact, dependable protection for distribution panels and other 3‑phase installations that require precise overcurrent protection at 480 V.
