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Square D JJL36250U43X - Molded Case Breaker 250A 600V 3P

Square D
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The Square D JJL36250U43X is a Powerpact J-frame molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for three-phase industrial power distribution systems. It features a 250A current rating and a 600V voltage rating, housed in a compact, solid-state unit measuring 191 mm H x 104 mm W x 86 mm D (7.5 in x 4.09 in x 3.4 in) with a weight of 5.192 lb. This feed-thru breaker is constructed with lug terminals compatible with wire sizes from 3/0 AWG to 350 kcmil (copper or aluminum) and complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards. It is engineered for demanding applications, offering an interrupting capacity of 65kA at 480V and an operational temperature range of -2 to 70 °C (28 to 158 °F).

Key Features & Specifications
  • Type: Powerpact J-frame, molded case, solid-state protection, feed-thru connection
  • Voltage Rating: 600V
  • Current Rating: 250A
  • Dimensions: 191 mm H x 104 mm W x 86 mm D (7.5 in x 4.09 in x 3.4 in)
  • Weight: 5.192 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial three-phase power distribution and protection
  • Frame Size: J
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA @ 480V
  • Connection: Feed-Thru
  • Terminal Connection: Lug
  • Protection: Solid State
  • Wire Size: 3/0 AWG to 350 kcmil (copper or aluminum)
  • MCM Size: Min. 3/0 AWG, Max. 350 kcmil
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Certification: UL, CSA, NOM
  • Country of Origin: United States


Product Identification
  • UPC: 785901518730
  • GTIN: 00785901518730