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Square D JJF36250 - Molded Case Circuit Breaker 250A 600V 3P

Square D
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Square D JJF36250 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 design measuring 191 mm H x 104 mm W x 86 mm D and weighing 4.83 lb. The breaker is constructed with thermal-magnetic protection for both long-time and instantaneous (LI) tripping functions, ensuring compliance with UL, CSA, NEMA, NOM, and IEC 60947-2 standards. Its 65kA interrupting capacity at 480V and bolt-on connection for conductors up to 350 kcmil make it suitable for three-phase applications in commercial and industrial panels, operating effectively in ambient temperatures from -2 to 70 °C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, J Frame
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: 7.5 in H x 4.09 in W x 3.4 in D (191 mm x 104 mm x 86 mm)
  • Weight: 4.83 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial and Commercial Power Distribution, Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • Wire Size: AWG 3/0 to 350 kcmil (Aluminium/Copper Terminals)
  • AIC Rating: 65kA @ 480V
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: J Frame
  • Trip Type: Thermal Magnetic
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Certification: UL, CSA, NOM
  • Family: Powerpact
  • Country of Origin: United States


Product Identification
  • UPC: 785901047438
  • GTIN: 00785901047438