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Square D LRA36600U31X - Molded Case Circuit Breaker 600A 600V 3-Pole

Square D
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Square D LRA36600U31X is a molded case circuit breaker designed for providing reliable overcurrent protection in demanding 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 x 140 mm x 110 mm (H x W x D) and weighing 14 lb. This solid-state protection device complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, ensuring robust performance across a temperature range of -2 to 70 °C. Its I-Line style plug-in connection and 200kA interrupting capacity at 480V make it suitable for main feeder and branch circuit protection in commercial and industrial panelboards.

Key Features & Specifications
  • Type: LRA Molded Case Circuit Breaker with solid-state protection and LI (Long-Time and Instantaneous) trip functions
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Dimensions: 13.4 in (340 mm) x 5.5 in (140 mm) x 4.3 in (110 mm) (Height x Width x Depth)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial power distribution, main feeder and branch circuit protection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Phase: 3
  • AIC rating: 200kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: L Frame
  • Wire Size: 2 x AWG 2/0...500 kcmil aluminium/copper
  • Certification: UL, CSA, NOM
  • Family: Powerpact
  • Country of Origin: United States
  • Weight: 14 lb


Product Identification
  • UPC: 060648628391
  • GTIN: 03606486283912