GHB3040H08 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON CIRCUIT BREAKER 3 POLE 40 AMP 277-480 VAC CAT # GHB3040H08 New Surplus Inventory Code: C Make an Offer Send to a Friend Voltage: 277 V Poles: 3 Frame Amperage: 40 A Mount: Bolt-in WHSE Code: HB3C1 Return To Circuit Breakers