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Square D LJA36600U33X - Molded Case Circuit Breaker 600A 600V

Square D
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Square D LJA36600U33X is a molded case circuit breaker designed for providing robust overcurrent 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 x 140 mm x 110 mm (H x W x D) and weighing 19.16 lb. This solid-state protection device complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and is engineered for reliable operation in environments from -2°C to 70°C. Its I-Line style plug-in connection and lug terminals facilitate integration into panelboards for applications requiring a 65kA interrupting capacity at 480V AC.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Protection with LSI (Long-Time, Short-Time, Instantaneous) Functions
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Dimensions: 13.4 in (340 mm) H x 5.5 in (140 mm) W x 4.3 in (110 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution
  • Switch Type: Circuit Breaker
  • Configuration: I-Line Style Plug-In
  • Temp Rating: -2°C to 70°C (28°F to 158°F)
  • Phase: 3
  • AIC Rating: 65kA @ 480V AC
  • Connection: I-Line, Lug
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI - Long-Time, Short-Time and Instantaneous
  • Frame Size: L Frame
  • Wire Size: 2 x AWG 2/0 to 500 kcmil (Aluminium/Copper)
  • Certification: UL, CSA, NOM
  • Phase Connection: ABC
  • MCM Size: Min. 2/0 AWG, Max. 500 kcmil (Cu/Al)
  • Mounting: Plug-In
  • Terminal Connection: Lug
  • Compatible Frames: I-Line Panelboards
  • Country of Origin: United States


Product Identification
  • UPC: 785901803027
  • GTIN: 00785901803027