DK3400 w/ Trip Unit KT3400T Circuit Breaker DK, 400 Amp, 3 Pole, 240 Volt, w/ KT3400T Trip Unit, Molded Case Circuit Breaker from Eaton, Cutler-Hammer or Westinghouse Make an Offer Send to a Friend Type: DK Voltage: 240 V Poles: 3 Frame Amperage: 400 A Return To Circuit Breakers