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Square D LJA34250WU31X - Molded Case Circuit Breaker 250A 480V

Square D
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Square D LJA34250WU31X is a PowerPact L molded case circuit breaker from Schneider Electric designed for mission-critical industrial power distribution applications. This 3-pole, 480V AC unit delivers 250A of current with a 65kA interrupting rating at 480V, utilizing a solid-state LI (Long-Time and Instantaneous) protection function. The breaker measures 13.4 in (340 mm) in height, 5.5 in (140 mm) in width, and 4.3 in (110 mm) in depth, weighs 17 lb, and features an I-Line style plug-in connection with I-Line and lug terminals. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, and is certified by UL, CSA, and NOM. Typical applications include industrial power distribution systems requiring reliable overcurrent protection in mission-critical environments.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Family: Powerpact
  • Type: LJA
  • Item Subcategory: Molded Case
  • Frame Size: L Frame
  • Current Rating: 250A
  • Voltage Rating: 480V
  • Poles: 3
  • Phase: 3
  • Protection: Solid State
  • Functions: LI - Long-Time and Instantaneous
  • 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


Product Identification
  • UPC: 78590197998
  • GTIN: 00785901979982