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Eaton KD3400Y - Molded Case 400A 3-Pole (600V)

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Eaton KD3400Y is a 400 amp, 3-pole molded case circuit breaker from the Series C family, designed for overcurrent protection in industrial and commercial power distribution systems. It operates at a voltage rating of 600V and provides a 35kA interrupting capacity at 480V, with a thermal magnetic protection system featuring LI (Long-Time and Instantaneous) trip functions. The unit has a K Frame size, measures 4.1 inches in depth by 5.5 inches in height by 5.5 inches in width, weighs 11.5 lb, and features a bolt-on connection with aluminum terminals for line and load wiring. It is UL Listed and manufactured in the Dominican Republic, suitable for 3-phase applications at 50/60 Hz.

Key Features & Specifications
  • Type: Molded Case
  • Amperage Rating: 400 A
  • Voltage Rating: 600 VAC / 250 VDC
  • Number of Poles: 3
  • Interrupt Rating: 65 kAIC at 240 VAC, 35 kAIC at 480 VAC
  • Protection: Thermal Magnetic
  • Trip Type: Fixed thermal, fixed magnetic (T186)
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: K Frame
  • Connection: Bolt-On
  • Terminal Material: Aluminum
  • Frequency: 50/60 Hz
  • Phase: 3
  • Dimensions: 4.1 in x 5.5 in x 5.5 in (Length/Depth x Height x Width)
  • Weight: 11.5 lb
  • Certification: UL Listed
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679471197
  • GTIN: 00786679471197