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Square D JDF36250 - Molded Case 250A 600V 3-Pole

Square D
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Square D JDF36250 is a 3-pole molded case circuit breaker from the Powerpact family, designed for thermal-magnetic protection in industrial power distribution systems. It is rated for 600V AC, 250A continuous current, and provides an interrupting capacity of 18kA at 480V with LI (Long-Time and Instantaneous) protection functions. The unit measures 7.5 in (191 mm) x 4.09 in (104 mm) x 3.4 in (86 mm), weighs 4.37 lb, and features a bolt-on busbar connection with wire range of 3/0 AWG to 350 kcmil (Cu/Al). It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, with an operating temperature range of 28-158 °F (-2-70 °C). Typical applications include main or feeder protection in switchboards, panelboards, and industrial control panels requiring 3-phase, 3-wire (AB phase connection) service.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, Powerpact J-Frame
  • 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 power distribution, switchboards, panelboards
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • Frame Size: J
  • Phase: 3
  • Phase Connection: AB
  • AIC Rating: 18kA@480V
  • Wire Size: AWG 3/0...350 kcmil (Cu/Al)
  • Terminal Connection: Busbar Connection
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Weight: 4.37 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901272410
  • GTIN: 00785901272410