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Square D LRL36600U31X - 600A 3-Pole Circuit Breaker (200kA AIC)

Square D
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The Square D LRL36600U31X is a Powerpact L-Frame molded case circuit breaker designed to provide reliable overcurrent protection for industrial power distribution systems. It features a solid-state trip unit with Long-Time and Instantaneous (LI) protection functions, rated for 600A at 600V AC and capable of interrupting up to 200kA at 480V. The breaker is constructed with a robust three-pole, feed-thru configuration, measures 340 mm H x 140 mm W x 110 mm D, and weighs 14 lb, operating effectively within a temperature range of -25 to 70 °C. It complies with key industry standards including UL, CSA, NEMA, and IEC 60947-2, ensuring suitability for demanding applications such as main service entrances, switchboards, and panelboards in commercial and industrial facilities.

Key Features & Specifications
  • Type: LRL Series, Molded Case, Solid State Trip Unit
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Dimensions: 13.4 in H x 5.5 in W x 4.3 in D (340 mm x 140 mm x 110 mm)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Main Service Entrances, Switchboards, Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Feed-Thru
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Phase: 3
  • AIC Rating: 200kA @ 480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Solid State
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: L Frame
  • Trip Type: Solid State
  • 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: 785901702542
  • GTIN: 00785901702542