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Square D JJL36250M75 - Molded Case Circuit Breaker 250A 600V 3P

Square D
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Square D JJL36250M75 is a molded case circuit breaker designed for motor circuit protection in industrial power distribution systems. It provides magnetic-only instantaneous trip protection with a 250A current rating and a 600V voltage rating, housed in a compact 250A/JJ frame measuring 191 mm H x 104 mm W x 86 mm D and weighing 5.15 lb. The breaker is constructed for feed-thru connection with line/load lugs, accepts wire sizes from 3 AWG to 350 kcmil, and operates within a temperature range of -2 to 70 °C. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, ensuring reliable performance in three-phase (ABC) applications. Typical uses include protecting motor branch circuits and feeders where a high interrupting capacity of 65kA at 480V is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Motor Circuit Protector (MCP) with Magnetic-Only (Instantaneous) Trip
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Frame Size: 250A/JJ
  • Poles: 3
  • AIC Rating: 65kA @ 480V AC
  • Connection: Feed-Thru
  • Terminal Connection: Line/Load Lug
  • Wire Size Range: 3 AWG to 350 kcmil (Aluminium/Copper)
  • Phase Connection: ABC
  • Protection: Magnetic Only (I - Instantaneous)
  • Dimensions: 7.5 in H (191 mm) x 4.09 in W (104 mm) x 3.4 in D (86 mm)
  • Weight: 5.15 lb
  • Operating Temperature: -2°C to 70°C (28°F to 158°F)
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Family: PowerPact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901541134
  • GTIN: 00785901541134