FC3040 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON CUTLER HAMMER CIRCUIT BREAKER 40 A 3 POLE 600 VAC CAT# FC3040 Reconditioned Inventory Code: A Make an Offer Send to a Friend Voltage: 600 V Poles: 3 Frame Amperage: 40 A Mount: Bolt-in WHSE Code: CB23B4 Return To Circuit Breakers