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Square D JGA36250U33X - Molded Case Circuit Breaker 250A 600V

Square D
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Square D JGA36250U33X 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 G-frame measuring 191 mm H x 104 mm W x 86 mm D and weighing 7.21 lb. The breaker is constructed with I-Line style plug-in connections and lug terminals compatible with wire sizes from 3/0 AWG to 350 kcmil for both copper and aluminum conductors. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and is engineered for reliable operation in ambient temperatures from -2 to 70 °C. Typical applications include protecting feeders and branch circuits in commercial and industrial panelboards, offering an interrupting capacity of 35kA at 480V AC with Long-Time, Short-Time, and Instantaneous (LSI) protection functions.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid-State Trip Unit, I-Line Plug-In
  • 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
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Feeder and Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Three-Pole
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Phase: 3
  • AIC Rating: 35kA @ 480V AC
  • Connection: I-Line Style Plug-In, Lug Terminals
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI (Long-Time, Short-Time, Instantaneous)
  • Frame Size: G
  • Wire Size: 3/0 AWG to 350 kcmil (Cu/Al)
  • Certification: UL, CSA, NOM
  • MCM Size: Min. 3/0 AWG, Max. 350 kcmil
  • Terminal Connection: I-Line, Lug
  • Family: Powerpact
  • Country of Origin: United States


Product Identification
  • UPC: 785901104452
  • GTIN: 00785901104452