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Square D JDA36250U33X - Molded Case Breaker 250A 600V 3-Pole

Square D
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Square D JDA36250U33X is a molded case circuit breaker designed for providing comprehensive overcurrent and short-circuit 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 7.23 lb. The breaker utilizes solid-state LSI (Long-Time, Short-Time, Instantaneous) protection and is certified to UL, CSA, NOM, and IEC 60947-2 standards, ensuring reliable operation in environments from -2°C to 70°C. Its I-Line plug-in connection and lug terminals accommodating 3/0 AWG to 350 kcmil conductors make it suitable for panelboards and switchboards requiring an 18kA interrupting capacity at 480V.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Protection, LSI Functions
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: 7.5 in (191 mm) H x 4.09 in (104 mm) W x 3.4 in (86 mm) D
  • 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: 28-158 °F (-2-70 °C)
  • Phase: 3
  • AIC rating: 18kA @ 480V AC
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI (Long-Time, Short-Time, Instantaneous)
  • Frame Size: J
  • Terminal Connection: I-Line, Lug
  • Wire Size: AWG 3/0 to 350 kcmil (Aluminium/Copper)
  • Certification: UL, CSA, NOM
  • Phase Connection: CA
  • MCM Size: Min. 3/0 AWG, Max. 350 kcmil
  • Mounting: Plug-In
  • Hz: 50/60 Hz
  • Weight: 7.23 lb


Product Identification
  • UPC: 785901133735
  • GTIN: 00785901133735