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Square D JRA36250U43X - Molded Case Circuit Breaker 250A 600V 3P

Square D
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Square D JRA36250U43X is a molded case circuit breaker designed for providing solid-state protection in three-phase industrial power distribution systems. It features a 250A current rating and a 600V voltage rating, housed within a compact J Frame measuring 191 mm H x 104 mm W x 86 mm D and weighing 5.3 lb. The breaker is constructed for reliable operation in ambient temperatures from -2 to 70 °C and complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards. Its typical applications include protecting feeders and branch circuits in commercial and industrial panelboards and switchboards.

Key Features & Specifications
  • Type: JRA Molded Case Circuit Breaker with Solid-State LSI (Long-Time, Short-Time, Instantaneous) Protection
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: 7.5 in H (191 mm) x 4.09 in W (104 mm) x 3.4 in D (86 mm)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial power distribution, panelboard and switchboard protection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Phase: 3
  • AIC Rating: 200kA @ 480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI (Long-Time, Short-Time, Instantaneous)
  • Frame Size: J Frame
  • Wire Size: AWG 3/0...350 kcmil aluminium/copper terminals
  • Certification: UL, CSA, NOM
  • Manufacturer: Schneider Electric
  • Family: Powerpact
  • Country of Origin: United States
  • Item Subcategory: Molded Case
  • Weight: 5.3 lb


Product Identification
  • Model: JRA36250U43X