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Eaton LDC3400X - Molded Case Breaker 400A 3-Pole

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Eaton LDC3400X is a three-pole molded case circuit breaker from the Series C family, designed for overcurrent protection in commercial and industrial power distribution systems. It is rated for 400A at 600VAC and 250VDC, with an interrupting capacity of 100kA at 480VAC, and utilizes a thermal-magnetic trip unit providing long-time and instantaneous (LI) protection. The L-frame breaker features a bolt-on connection, aluminum terminals, and weighs 20 lb, supporting line and load mounting for straightforward integration into electrical panels. It is UL 489 listed and operates at 50/60 Hz, ensuring compliance with industry safety standards. This breaker is suitable for three-phase applications requiring reliable overcurrent protection in demanding environments.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: LDC
  • Weight: 20 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: L Frame
  • Voltage Rating: 600 VAC, 250 VDC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 100 kA at 480 VAC, 200 kA at 240 VAC
  • Phase: 3
  • Current Rating: 400 A
  • Terminal Material: Aluminum
  • Trip Type: Fixed Thermal, Fixed Magnetic
  • Mounting Type: Line and Load
  • Certifications: UL 489


Part Number: LDC3400X