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Eaton KDC3400L - Molded Case Circuit Breaker 400A 600V

Cutler Hammer
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Eaton KDC3400L is a three-pole molded case circuit breaker from the Series C family, designed to provide LI (Long-Time and Instantaneous) thermal-magnetic protection for industrial and commercial power distribution systems. Rated at 400A and 600V AC (250V DC), this K Frame unit delivers a high interrupting capacity of 100kA at 480V AC, with a 200 kAIC rating at 240V AC, and operates at 50/60 Hz. The breaker features a feed-thru connection with aluminum line and load terminals, weighs 12 lb, and is built for reliable overcurrent protection in demanding electrical environments.

Key Features & Specifications
  • Type: Molded Case
  • Family: Series C
  • Frame Size: K Frame
  • Poles: 3
  • Current Rating: 400 A
  • Voltage Rating: 600 Vac, 250 Vdc
  • Interrupt Rating: 200 kAIC at 240 Vac, 100 kAIC at 480 Vac
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Terminal Material: Aluminum
  • Frequency Rating: 50/60 Hz
  • Weight: 12 lb