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Square D LGF36400U33X - Molded Case Frame 400A 600V 3P

Square D
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Square D LGF36400U33X is a Powerpact LGF molded case circuit breaker frame designed for providing solid-state protection with LSI (Long-Time, Short-Time, and Instantaneous) trip functions in three-phase industrial power systems. It features a 400A current rating and a 600V voltage rating, housed within a compact L Frame measuring 340 mm H x 140 mm W x 110 mm D and weighing 15 lb. The bolt-on, 3-pole frame is engineered for an interrupting capacity of 35kA at 480V and operates within a temperature range of -2 to 70 °C, accepting wire sizes from 2/0 AWG to 500 kcmil for aluminum or copper conductors. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, making it suitable for integration into panelboards and switchboards in commercial and industrial facilities where a high-degree of protection is required.

Key Features & Specifications
  • Type: Powerpact LGF Molded Case Circuit Breaker Frame, Solid-State Protection, LSI Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: L Frame
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 35kA @ 480V
  • Phase: 3
  • Wire Size: 2 x AWG 2/0 to 500 kcmil (Aluminum/Copper)
  • Dimensions: 340 mm H x 140 mm W x 110 mm D (13.4 in x 5.5 in x 4.3 in)
  • Weight: 15 lb
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Protection: Solid State
  • Functions: Long-Time, Short-Time, Instantaneous (LSI)
  • Configuration: Frame Only (No Lugs or Trip Unit Included)


Product Identification
  • UPC: 078590195471
  • GTIN: 00785901954712