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Square D JLA36250U33X - Molded Case Circuit Breaker 250A 600V 3P

Square D
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Square D JLA36250U33X is a molded case circuit breaker designed for providing robust overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 250A current rating and a 600V voltage rating, with a high interrupting capacity of 100kA at 480V AC. The breaker is constructed with a compact L-frame size, measuring 191 mm H x 104 mm W x 86 mm D and weighing 8.001 lb, and utilizes solid-state LSI (Long-Time, Short-Time, Instantaneous) protection technology. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, ensuring reliable operation in environments from -2 to 70 °C. Its I-Line style plug-in connection and lug terminals accommodating wire sizes from 3/0 AWG to 350 kcmil make it suitable for panelboards and switchboards in commercial and industrial facilities.

Key Features & Specifications
  • Type: JLA Molded Case Circuit Breaker with Solid State LSI Protection
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: 7.5 in (191 mm) H x 4.09 in (104 mm) W x 3.4 in (86 mm) D
  • Weight: 8.001 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial power distribution, panelboards, switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Phase: 3
  • AIC Rating: 100kA @ 480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI (Long-Time, Short-Time, Instantaneous)
  • Frame Size: L
  • Wire Size: AWG 3/0 to 350 kcmil (Aluminium/Copper terminals)
  • Certification: UL, CSA, NOM
  • Phase Connection: ABC
  • Terminal Connection: I-Line, Lug
  • MCM Size: Min. 3/0 AWG, Max. 350 kcmil
  • Country of Origin: United States
  • Family: Powerpact


Product Identification
  • UPC: 078590195112
  • GTIN: 00785901951124