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Square D JDA36250 - Molded Case 250A 600V 3-Pole Breaker

Square D
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The Square D JDA36250 is a 3-pole molded case circuit breaker from the Powerpact family, designed to provide thermal-magnetic protection for electrical distribution systems. It is rated for 600V AC, 250A continuous current, and an AIC rating of 18kA at 480V, with a 3-phase ABC phase connection. The unit measures 7.5 in (191 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (H x W x D), weighs 6.601 lb, and features an I-Line style plug-in connection with aluminum/copper terminals accepting wire sizes from 3/0 AWG to 350 kcmil. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, and operates within a temperature range of -13 to 158 °F (-25 to 70 °C). This breaker is suited for industrial applications requiring long-time and instantaneous (LI) trip functions within a J frame size.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI Trip
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: 7.5 in (191 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (H x W x D)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial electrical distribution
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Terminal Connection: I-Line, Lug
  • Wire Size: AWG 3/0...350 kcmil (Cu/Al)
  • AIC rating: 18kA@480V
  • Phase: 3
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Frame Size: J
  • Functions: LI - Long-Time and Instantaneous Trip
  • Protection: Thermal Magnetic
  • Phase Connection: ABC
  • Certification: UL, CSA, NOM
  • Weight: 6.601 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901834175
  • GTIN: 00785901834175