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Eaton LD3400X - Molded Case Breaker 400A 600V 3-Pole

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The Eaton LD3400X is a three-pole molded case circuit breaker from the Series C family, designed for overcurrent protection in industrial power distribution systems. This LD frame unit is rated for 400A continuous current at 600VAC, with a 35kA interrupting capacity at 480VAC, and utilizes a thermal-magnetic trip mechanism providing long-time and instantaneous (LI) protection functions. The bolt-on connection style and 20 lb weight make it suitable for fixed-mount panelboard or switchboard installations, complying with UL and NEMA standards for commercial and industrial environments. Typical applications include feeder protection in manufacturing plants, data centers, and large commercial facilities where reliable overcurrent protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Series C, LD Frame
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic, LI (Long-Time and Instantaneous)
  • AIC Rating: 35kA@480V
  • Phase: 3
  • Weight: 20 lb
  • Functions: Long-Time and Instantaneous Trip
  • Frame Size: L Frame
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: LD


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