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Square D LJA36250U31X - Molded Case Circuit Breaker 250A 600V 3-Pole

Square D
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Square D LJA36250U31X is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 250A 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 17 lb. This solid-state protection device complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, ensuring robust performance in demanding environments like manufacturing plants and commercial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, LJA Type, Solid State Protection, I-Line Style Plug-In Connection
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • 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, panelboards, switchboards
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Phase: 3-Phase
  • AIC Rating: 65kA @ 480V
  • Connection: I-Line, Lug
  • Poles: 3
  • Protection: Solid State
  • Functions: LI - Long-Time and Instantaneous Trip
  • Frame Size: L Frame
  • Trip Type: Thermal-Magnetic
  • Wire Size: AWG 2 to 600 kcmil copper; AWG 2 to 500 kcmil aluminum
  • Certification: UL, CSA, NOM
  • Terminal Connection: I-Line, Lug (Terminal lug AL400L61K3)
  • Family: Powerpact
  • Country of Origin: United States
  • Weight: 17 lb


Product Identification
  • UPC: 785901234579
  • GTIN: 00785901234579