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Square D JDL36250U53X - Molded Case Breaker 250A 600V 3P

Square D
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Square D JDL36250U53X is a molded case circuit breaker designed for providing solid-state protection in three-phase industrial power distribution systems. It features a 600V AC voltage rating and a 250A current rating, housed within a compact J-frame measuring 191 mm H x 143 mm W x 136.65 mm D and weighing 5 lb. This Powerpact series breaker complies with industry standards for reliable operation in ambient temperatures from -2 to 70 °C, utilizing an LSI (Long-Time, Short-Time, Instantaneous) trip unit for coordinated protection. Its feed-thru connection and terminals accommodating AWG 3/0 to 350 kcmil aluminum or copper wire make it suitable for main feeder and branch circuit applications in commercial and industrial panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid-State Protection, JDL Type
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: 7.52 in H (191 mm) x 5.64 in W (143.26 mm) x 5.38 in D (136.65 mm)
  • Weight: 5 lb
  • Standards: Industry Standard Compliance
  • Applications: Industrial Power Distribution, Main Feeders, Branch Circuits
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • Connection: Feed-Thru
  • Wire Size: AWG 3/0 to 350 kcmil (Aluminum/Copper)
  • AIC Rating: 18kA @ 480V
  • Protection: Solid State
  • Functions: LSI (Long-Time, Short-Time, Instantaneous)
  • Frame Size: J Frame
  • Trip Type: Solid State
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Family: Powerpact


Product Identification
  • Manufacturer Part Number: JDL36250U53X