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Square D JDA36250U31X - Molded Case Breaker 250A 600V 3P

Square D
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Square D JDA36250U31X 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 AC voltage rating, housed within a compact J-frame measuring 191 mm H x 104 mm W x 86 mm D and weighing 7.17 lb. The breaker utilizes solid-state protection with Long-Time and Instantaneous (LI) trip functions and is engineered for I-Line style plug-in connection with lug terminals compatible with wire sizes from 3/0 AWG to 350 kcmil. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and is rated for operation in temperatures from -25°C to 70°C, making it suitable for panelboards and switchboards requiring an 18kA interrupting capacity at 480V AC.

Key Features & Specifications
  • Type: JDA Series, Molded Case, Solid State Protection, I-Line Plug-In
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: 191 mm H x 104 mm W x 86 mm D (7.5 in x 4.09 in x 3.4 in)
  • Weight: 7.17 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: -25°C to 70°C (-13°F to 158°F)
  • Phase: 3
  • AIC Rating: 18kA @ 480V AC
  • Connection: I-Line Style, Lug Terminals
  • Poles: 3
  • Protection: Solid State, LI (Long-Time & Instantaneous) Trip
  • Functions: Overcurrent Protection
  • Frame Size: J
  • Wire Size: 3/0 AWG to 350 kcmil (Aluminium/Copper)
  • Certification: UL Listed, CSA Certified, NOM
  • Phase Connection: BC
  • Terminal Connection: Lug
  • Compatible Frames: I-Line Panelboards
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901127222
  • GTIN: 00785901127222