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Square D JDL36250U31X - Molded Case Circuit Breaker 250A 600V 3P

Square D
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Square D JDL36250U31X 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 5.161 lb. This solid-state protection device with LI (Long-time and Instantaneous) trip functions is constructed with 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, ensuring suitability for demanding applications such as panelboards, switchboards, and industrial control panels where an 18kA interrupting rating at 480V is required.

Key Features & Specifications
  • Type: JDL Series, Molded Case, Solid State Protection, Feed-Thru Connection
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: 7.5 in H (191 mm) x 4.09 in W (104 mm) x 3.4 in D (86 mm)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Phase: 3
  • AIC Rating: 18kA @ 480V AC
  • Connection: Lug Terminal
  • Poles: 3
  • Protection: Solid State Trip Unit
  • Functions: Long-Time (L) & Instantaneous (I)
  • Frame Size: J
  • Wire Size: 3/0 AWG to 350 kcmil (Cu/Al)
  • Certification: UL, CSA, NOM
  • Phase Connection: ABC
  • MCM Size: Min: 3/0 AWG, Max: 350 kcmil
  • Terminal Connection: Lug
  • Family: Powerpact
  • Country of Origin: United States


Product Identification
  • UPC: 785901746072
  • GTIN: 00785901746072