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Eaton CK31000N-4P - 4-Pole 1000A Molded Case Breaker

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Eaton CK31000N-4P is a 4-pole molded case circuit breaker from the Compact family, designed for primary overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 1000A continuous current, and delivers a 50kA interrupting capacity at 480V AC, with solid-state trip technology providing LI (Long-Time and Instantaneous) protection functions. The unit weighs 40 lb and features a bolt-on connection for secure panel mounting, supporting 3-phase configurations. This breaker complies with UL and NEMA standards for industrial electrical safety and reliability. Typical applications include main switchboard protection, feeder circuits, and heavy machinery in manufacturing plants, data centers, and commercial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Trip, LI Protection
  • Voltage Rating: 600V AC
  • Current Rating: 1000A
  • Poles: 4
  • Phase: 3
  • AIC Rating: 50kA@480V
  • Connection: Bolt-On
  • Protection: Solid State (Long-Time and Instantaneous)
  • Weight: 40 lb
  • Family: Compact
  • Type: CK
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Functions: LI - Long-Time and Instantaneous
  • Standards: UL, NEMA
  • Applications: Main switchboard protection, feeder circuits, heavy machinery


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