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Square D JDL36250U44X - Molded Case Breaker 250A 600V 3P LSIG

Square D
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Square D JDL36250U44X is a molded case circuit breaker designed for providing comprehensive LSIG 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 solid-state protection technology and lug terminals compatible with wire sizes from 3/0 AWG to 350 kcmil, and it complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards. Typical applications include protecting feeders and branch circuits in commercial and industrial facilities where an 18kA interrupting capacity at 480V is required, operating reliably in ambient temperatures from -25°C to 70°C.

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 Feeder and Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • Connection: Feed-Thru
  • Phase Connection: ABC
  • Terminal Connection: Lug
  • Wire Size: 3/0 AWG to 350 kcmil (Aluminium/Copper)
  • MCM Size: Min. 3/0 AWG, Max. 350 kcmil
  • Protection: Solid State
  • Functions: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • Frame Size: J
  • AIC Rating: 18kA @ 480V
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Certification: UL, CSA, NOM
  • Weight: 5 lb
  • Country of Origin: United States
  • Family: Powerpact


Product Identification
  • UPC: 785901948964
  • GTIN: 00785901948964