FAZ-D40/1-NA-SP Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON CUTLER HAMMER CIRCUIT BREAKER 1 POLE 40 AMP 277 VAC CAT # FAZ-D40/1-NA-SP New Surplus Inventory Code: W Make an Offer Send to a Friend Voltage: 277 V Poles: 1 Frame Amperage: 40 A Mount: Bolt-in WHSE Code: CB34E4 Return To Circuit Breakers