Eaton Corporation's Cutler-Hammer HFD1020 Bolt-On Circuit Breaker is a 20-amp, 277-volt device configured as 1-pole, 1-phase (1P/1PH) protection. It is designed for bolt-on installation in compatible panelboards, providing overcurrent protection for circuits operating at 277 V. The HFD1020 model is part of Eaton's HFD family and is specified for applications requiring a 20 A, 277 V single-pole breaker in bolt-on installations.
