GHC1020 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse CUTLER HAMMER CIRCUIT BREAKER 1 POLE 20 AMPS 277 VAC 125 VDC CAT# GHC1020 Reconditioned New Surplus Inventory Code: A Make an Offer Send to a Friend Voltage: 277 V Poles: 1 Frame Amperage: 20 A Mount: Bolt-in WHSE Code: HB1C1 Return To Circuit Breakers