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Square D JJL36250CU31X - Molded Case Circuit Breaker 250A 600V 3-Pole

Square D
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Square D JJL36250CU31X is a three-pole, unit-mount molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It delivers a 250A continuous current rating at 600V AC maximum voltage with a solid-state electronic trip unit providing LI (Long-Time and Instantaneous) protection functions. The breaker measures 7.5 in (191 mm) x 4.09 in (104 mm) x 3.4 in (86 mm), weighs 5 lb, and features lug terminals accepting AWG 3/0 to 350 kcmil aluminum or copper conductors. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, with an interrupting rating of 65 kA at 480V AC. This J Frame breaker is suited for feeder and main protection in commercial and industrial switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case
  • Current Rating: 250A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3
  • Frame Size: J
  • Protection: Solid State
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 65kA@480V
  • Connection: Feed-Thru
  • Terminal Connection: Lug
  • Wire Size: AWG 3/0...350 kcmil aluminium/copper terminals
  • MCM Size: Min. Wire Size 3/0 AWG (Cu/Al) Max. Wire Size 350 kcmil (Cu/Al)
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Mounting Type: Unit mount
  • Continuous Current Rating: 100%
  • Utilization Category: A
  • Communication: Modbus
  • Trip Unit: Micrologic 3.2 electronic
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Country of Origin: United States


Product Identification
  • UPC: 785901584322
  • GTIN: 00785902000000