HKD3400F w/ A1KES125T1 70-125A Trip Unit Circuit Breaker HKD, 3 Pole, 400 Amp w/ A1KES125T1 70-125A Trip Unit , Molded Case Circuit Breaker from Eaton, Cutler-Hammer or Westinghouse Reconditioned Make an Offer Send to a Friend Type: HKD Voltage: 600 V Poles: 3 Frame Amperage: 400 A Return To Circuit Breakers