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Square D JDL36250SA - 3-Pole Molded Case Breaker, 250A

Square D
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Square D JDL36250SA is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit 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 lb. The breaker is constructed with lug terminals for feed-thru connection, supports wire sizes from 3/0 AWG to 350 kcmil, and complies with UL, CSA, NEMA, and IEC 60947-2 standards. Its thermal-magnetic protection with long-time and instantaneous trip functions, an 18kA interrupting rating at 480V, and an operational temperature range of -25 to 70 °C make it suitable for use in panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection with Long-Time and Instantaneous Trip
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Frame Size: J
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA @ 480V
  • Connection: Feed-Thru
  • Terminal Connection: Lug
  • Wire Size: 3/0 AWG to 350 kcmil (Copper/Aluminum)
  • Dimensions: 7.5 in H (191 mm) x 4.09 in W (104 mm) x 3.4 in D (86 mm)
  • Weight: 5 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Additional Info: Includes 110/130V AC Shunt Trip


Product Identification
  • UPC: 785901946847
  • GTIN: 00785901946847