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Eaton LDB3400W - Molded Case Circuit Breaker 400A 600V (3-Pole)

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Eaton LDB3400W is a three-pole molded case circuit breaker from the Series C family, designed for overcurrent protection in industrial and commercial power distribution systems. It is rated for 600V AC operation with a 400A current capacity, featuring a LI (Long-Time and Instantaneous) thermal-magnetic trip unit for reliable fault interruption. The L-frame breaker measures 4.06 inches in depth, 8.25 inches in height, and 8.25 inches in width, weighing 20 lb, with a bolt-on connection and a compact construction that does not include lugs. It is UL 489 certified and delivers an interrupting rating of 35 kAIC at 480V, ensuring robust performance in demanding electrical environments. This unit is suitable for three-phase applications requiring high fault current protection in industrial settings.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Country of Origin: United States
  • Type: LDB
  • Dimensions: 4.06 in x 8.25 in x 8.25 in (Length/Depth x Height x Width)
  • Weight: 20 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: L Frame
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Certification: UL 489
  • AIC rating: 35kA@480V
  • Phase: 3
  • Current Rating: 400A
  • Amperage Rating: 400 A
  • Number of Poles: Three-pole
  • Voltage Rating: 600 VAC
  • Frame Type: L-frame
  • Circuit Breaker Type: LDB
  • Trip Unit: Fixed thermal, fixed magnetic (T186)
  • Interrupt Rating: 65 kAIC at 240 VAC, 35 kAIC at 480 VAC
  • Frequency: 50/60 Hz
  • Terminals: Without terminals


Product Identification
  • UPC: 786679148297
  • GTIN: 00786679148297