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Eaton CK3400N-4P - Molded Case Breaker 400A 600V 4-Pole

Cutler Hammer
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Eaton CK3400N-4P is a 4-pole molded case circuit breaker from the Compact family, designed for solid-state protection with LI (Long-Time and Instantaneous) trip functions. It is rated for 600V AC, 400A continuous current, and 50kA interrupting capacity at 480V, supporting 3-phase systems with a bolt-on connection. The unit weighs 40 lb and features a robust molded case construction for industrial environments. It complies with applicable UL and NEMA standards for overcurrent protection. Typical applications include main or feeder protection in switchboards, panelboards, and industrial power distribution systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Poles: 4
  • Phase: 3
  • AIC Rating: 50kA@480V
  • Connection: Bolt-On
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 40 lb
  • Family: Compact
  • Item Subcategory: Molded Case


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