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Square D LJA36250U33X - Molded Case Circuit Breaker 250A 600V

Square D
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Square D LJA36250U33X is a PowerPact L-Frame molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 250A at 600VAC with a 65kA interrupting capacity at 480V, utilizing a solid-state Micrologic 3.xS LSI trip unit for long-time, short-time, and instantaneous protection. The breaker features a 3-pole, 3-phase configuration with I-Line style plug-in line connections and load-side lugs, housed in a compact frame measuring 13.4 in x 5.5 in x 4.3 in and weighing 17 lb. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, with certifications from UL, CSA, and NOM. This unit is suited for panelboard integration in commercial and industrial settings requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: LJA
  • Family: Powerpact
  • Frame Size: L Frame
  • Current Rating: 250A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3
  • Protection: Solid State
  • Functions: LSI - Long-Time, Short-Time and Instantaneous Trip
  • AIC rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Terminal Connection: I-Line, Lug
  • Wire Size: AWG 2...600 kcmil copper / AWG 2...500 kcmil aluminium
  • Dimensions: 13.4 in (340 mm) x 5.5 in (140 mm) x 4.3 in (110 mm) (Height x Width x Depth)
  • Weight: 17 lb
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Country of Origin: United States
  • Additional Info: Terminal lug AL400L61K3


Product Identification
  • UPC: 785901007906
  • GTIN: 00785901007906