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Cutler Hammer HKD3400T56W - Molded Case Circuit Breaker 400A 600V

Cutler Hammer
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Cutler Hammer HKD3400T56W is a molded case circuit breaker designed for comprehensive protection in three-phase industrial power systems. It provides solid-state LSIG protection—Long-Time, Short-Time, Instantaneous, and Ground Fault—with a 400A current rating and a 600V AC voltage rating. The breaker features a compact K-frame design measuring 4.1" x 5.5" x 5.5" and a bolt-on connection, constructed for robust performance. It complies with relevant industry standards and is manufactured in the United States as part of the Series C family. Typical applications include protecting feeders and branch circuits in industrial facilities, switchgear, and panelboards, offering an interrupting capacity of 65kA at 480V AC.

Key Features & Specifications
  • Type: HKD Molded Case Circuit Breaker, Solid-State Protection, LSIG Functions
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 4.1 in (Depth) x 5.5 in (Height) x 5.5 in (Width)
  • Standards: Meets applicable UL and industry standards
  • Applications: Industrial Feeder and Branch Circuit Protection, Switchgear, Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Three-Pole
  • Phase: 3
  • AIC Rating: 65kA @ 480V AC
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Solid State
  • Functions: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • Frame Size: K Frame
  • Weight: 11.5 lb
  • Country of Origin: United States
  • Family: Series C


Product Identification
  • UPC: 078211440421
  • GTIN: 00782114404218