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Square D JJA36250U31X - 250A 3-Pole Molded Case Breaker

Square D
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Square D JJA36250U31X is a Powerpact JJA series molded case circuit breaker designed for reliable overcurrent protection in industrial power distribution systems. This 3-pole, 250A breaker operates at 600VAC and features a solid-state Micrologic 3.2 electronic trip unit with long-time and instantaneous trip functions, providing precise protection for 3-phase applications. The unit measures 7.5 in (191 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) and weighs 7.12 lb, with an I-Line style plug-in connection and lug terminals that accept AWG 3/0 to 350 kcmil aluminum or copper wiring. It complies with UL 489, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, and is certified by UL, CSA, and NOM. Typical applications include main or feeder protection in switchboards, panelboards, and industrial control panels requiring high interrupting capacity.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Series/Frame: Powerpact JJA
  • Type: JJA
  • Amperage: 250A
  • Voltage Rating: 600 VAC
  • Poles: 3
  • Phase: 3
  • Interrupting Rating: 100kA @ 240V, 65kA @ 480V, 25kA @ 600V
  • Trip Unit: Electronic Micrologic 3.2, Long-Time and Instantaneous
  • Protection: Solid State
  • Mounting Type: I-Line plug-in
  • Connection: I-Line Style Plug-In
  • Terminal Connection: I-Line, Lug
  • Wire Gauge: AWG 3/0 to 350 kcmil aluminum/copper
  • Continuous Current Rating: 80%
  • Dimensions: 7.5 in (191 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (Height x Width x Depth)
  • Weight: 7.12 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certifications: UL 489, CSA, NOM
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901159117
  • GTIN: 00785901159117