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Square D LGL36600U44X - Molded Case Circuit Breaker 600A 600V (LSIG Protection)

Square D
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Square D LGL36600U44X is a molded case circuit breaker designed for providing comprehensive LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) protection in three-phase industrial power distribution systems. It features a 600A 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 breaker is constructed with solid-state protection technology, feed-thru lug connections, and is certified to UL, CSA, NOM, and IEC 60947-2 standards for reliable operation in demanding environments from -2 to 70 °C. Its 35kA interrupting capacity at 480V and compatibility with conductors from 2/0 AWG to 500 kcmil make it suitable for main feeder and branch circuit protection in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, L Frame, Solid State Protection
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • 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
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Main Feeder and Branch Circuit Protection in Industrial Power Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • Connection: Feed-Thru
  • Terminal Connection: Lug
  • Wire Size: 2 x AWG 2/0 to 500 kcmil (Aluminium/Copper)
  • AIC Rating: 35kA @ 480V
  • Protection: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • Functions: Long-Time, Short-Time, Instantaneous, Ground Fault
  • Frame Size: L Frame
  • Trip Type: Solid State
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Certification: UL, CSA, NOM
  • Family: Powerpact
  • Country of Origin: United States


Product Identification
  • UPC: 785901954590
  • GTIN: 00785901954590