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Cutler Hammer DK3400K - Molded Case Disconnect 400A 3P (65kA AIC)

Cutler Hammer
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Cutler Hammer DK3400K is a molded case circuit breaker designed for providing a main disconnect and branch circuit protection in three-phase industrial power distribution systems. It features a 400A current rating and a 240V AC voltage rating, housed within a compact K-frame measuring 4.1" x 5.5" x 5.5" and weighing 11.5 lb. This non-automatic, feed-thru disconnect switch is UL Listed and offers a high interrupting capacity of 65kA at 240V AC, ensuring reliable performance and safety compliance. It is engineered for integration into panelboards and switchboards where a robust, three-pole disconnect is required for equipment isolation and maintenance.

Key Features & Specifications
  • Type: Molded Case, Non-Automatic Disconnect Switch (No Overcurrent Protection)
  • Voltage Rating: 240V AC
  • Current Rating: 400A
  • Dimensions: 4.1 in (Depth) x 5.5 in (Height) x 5.5 in (Width)
  • Standards: UL Listed
  • Applications: Main Disconnect for Industrial Panelboards and Switchboards
  • Switch Type: Disconnect
  • Configuration: Feed-Thru
  • Phase: 3
  • Amperage: 400A
  • AIC Rating: 65kA @ 240V AC
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Non-Automatic
  • Functions: NA - No Overcurrent Protection
  • Frame Size: K Frame
  • Certification: UL Listed
  • Weight: 11.5 lb
  • Family: Series C
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679342725
  • GTIN: 00786679342725