GHBS1030D Circuit Breaker by Eaton, Curler Hammer or Westinghouse EATON CUTLER HAMMER CIRCUIT BREAKER 1 POLE 30 AMPS 277 VAC CAT# GHBS1030D Reconditioned New Surplus Inventory Code: C Make an Offer Send to a Friend Voltage: 277 V Poles: 1 Frame Amperage: 30 A Mount: Bolt-in WHSE Code: HB3D1 Return To Circuit Breakers