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Square D JJA36250U33X - Molded Case Circuit Breaker 250A 600V 3P

Square D
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Square D JJA36250U33X is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in 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 7.11 lb. The breaker utilizes solid-state LSI (Long-Time, Short-Time, Instantaneous) protection and is constructed for I-Line style plug-in connection with lug terminals compatible with wire sizes from 3/0 AWG to 350 kcmil. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and is typically applied in three-phase commercial and industrial panelboards requiring a 65kA interrupting capacity at 480V AC.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Protection with 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, Commercial Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Phase: 3
  • AIC Rating: 65kA @ 480V AC
  • Connection: I-Line Style Plug-In, Lug Terminal
  • Poles: 3
  • Protection: Solid State
  • Functions: Long-Time, Short-Time, Instantaneous (LSI)
  • Frame Size: J
  • Wire Size: 3/0 AWG to 350 kcmil (Aluminium/Copper)
  • Certification: UL, CSA, NOM
  • MCM Size: Min. 3/0 AWG, Max. 350 kcmil
  • Terminal Connection: I-Line, Lug
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901606314
  • GTIN: 00785901606314