Eaton Cutler-Hammer HFD3040 Molded Case Circuit Breaker is a 3-pole, 40-amp protective device designed to interrupt overcurrent in electrical distribution systems. It belongs to Eaton's Cutler-Hammer molded case breakers and carries the HFD3040 model designation. The 3P 40A configuration specifies three poles and a 40-amp rating for protecting circuits in panels and distribution equipment.
