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Eaton KD3400T57W - Molded Case 400A 600V Breaker

Cutler Hammer
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Eaton KD3400T57W is a 3-pole molded case circuit breaker from the Series C family, designed for overcurrent and ground fault protection in industrial power distribution systems. It is rated for 600V AC, 400A continuous current, with a 35kA interrupting capacity at 480V AC, utilizing solid-state trip technology for precise LSG (Long-Time, Short-Time, and Ground Fault) protection functions. The unit measures 4.1 inches in depth, 5.5 inches in height, and 5.5 inches in width, weighs 11.5 lb, and features a bolt-on connection for secure panel mounting. It complies with industry standards for molded case circuit breakers, suitable for 3-phase applications requiring adjustable protection settings. Typical applications include main or feeder protection in switchboards, panelboards, and industrial control panels, though it does not include lugs and requires separate ordering for wiring connections.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Trip, Series C Family
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 4.1 in x 5.5 in x 5.5 in (Length/Depth x Height x Width)
  • Standards: Industry standard for molded case circuit breakers
  • Applications: Main or feeder protection in switchboards, panelboards, industrial control panels
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Solid State, LSG (Long-Time, Short-Time, Ground Fault)
  • AIC rating: 35kA@480V
  • Phase: 3
  • Weight: 11.5 lb
  • Additional Info: This item does not include lugs; lugs must be ordered separately based on wiring specifications.


Product Identification
  • UPC: 782114404157
  • GTIN: 00782114000000