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Square D LGL36400U33X - Molded Case Circuit Breaker 400A 600V 3P

Square D
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Square D LGL36400U33X is a molded case circuit breaker designed for providing comprehensive overcurrent and short-circuit protection in industrial power distribution systems. It features a 400A current rating and a 600V voltage rating, housed within a compact L Frame measuring 340 mm x 140 mm x 110 mm (HxWxD) and weighing 15 lb. This solid-state protection device complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, ensuring reliable operation in demanding three-phase applications such as panelboards and switchboards.

Key Features & Specifications
  • Type: LGL Series, Molded Case, Solid State Protection with LSI (Long Time, Short Time, Instantaneous) Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 13.4 in (340 mm) x 5.5 in (140 mm) x 4.3 in (110 mm) (HxWxD)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial power distribution, panelboards, switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Feed-Thru
  • Temp Rating: -2°C to 70°C (28°F to 158°F)
  • Phase: 3
  • AIC Rating: 35kA at 480V
  • Connection: Lug Terminal
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI Trip
  • Frame Size: L Frame
  • Wire Size: Accepts 2 conductors, from 2/0 AWG to 500 kcmil (Copper or Aluminum)
  • Certification: UL, CSA, NOM
  • Country of Origin: United States
  • Family: Powerpact


Product Identification
  • UPC: 785901637622
  • GTIN: 00785901637622