KDB3400K Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON CUTLER-HAMMER MOLDED CASE CIRCUIT BREAKER CAT# KDB3400K STYLE# 6622C81G29 New Surplus Inventory Code: D Make an Offer Send to a Friend Poles: 3 Frame Amperage: 400 A Mount: Bolt-in WHSE Code: CB2C2 Return To Circuit Breakers