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Square D JDA36250U43X - Molded Case Circuit Breaker 250A 600V 3P

Square D
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The Square D JDA36250U43X is a Powerpact J-frame molded case circuit breaker designed to provide reliable overcurrent protection for three-phase industrial power distribution systems. It features a 250A current rating and a 600V voltage rating, with a compact I-Line plug-in design measuring 191 mm H x 104 mm W x 86 mm D and a weight of 8.001 lb. This solid-state trip unit breaker offers LSI (Long-Time, Short-Time, Instantaneous) protection functions, is rated for 18kA interrupting capacity at 480V, and operates within a temperature range of -2 to 70 °C. It complies with UL, CSA, NEMA, and IEC 60947-2 standards, making it suitable for installation in panelboards and switchboards requiring a 3-pole breaker with lug terminals that accept copper or aluminum conductors from 3/0 AWG to 350 kcmil.

Key Features & Specifications
  • Type: Powerpact J-frame, Molded Case Circuit Breaker with Solid-State Trip Unit
  • 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
  • Weight: 8.001 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial power distribution in panelboards and switchboards
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Phase: 3
  • AIC Rating: 18kA @ 480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State, LSI Functions
  • Frame Size: J
  • Terminal Connection: I-Line, Lug
  • Wire Size: 3/0 AWG to 350 kcmil (Cu/Al)
  • Certification: UL, CSA, NOM
  • Country of Origin: United States


Product Identification
  • UPC: 785901702498
  • GTIN: 00785901702498