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Cutler Hammer JT3250FA - Thermal Magnetic Trip Unit 250A 600V

Cutler Hammer
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Cutler Hammer JT3250FA is a thermal magnetic trip unit designed for overcurrent protection in molded case circuit breakers. This 3-pole unit is rated for 600V and 250A, providing LI (Long Time and Instantaneous Trip) functions for precise fault response. The bolt-on design measures 6.5 in x 3.5 in x 4 in and weighs 0.6 lb, constructed for integration into Series G and JG Frame breakers. It is certified to CSA, IEC, UL, and CE standards, ensuring compliance with global electrical safety requirements. This trip unit is suited for industrial and commercial power distribution systems requiring reliable thermal magnetic protection.

Key Features & Specifications
  • Type: JT
  • Protection: Thermal Magnetic
  • Functions: LI - Long Time and Instantaneous Trip
  • Voltage Rating: 600V
  • Current Rating: 250A
  • Amperage Maximum: 250
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Dimensions: 6.5 in x 3.5 in x 4 in (Length/Depth x Height x Width)
  • Weight: 0.6 lb
  • Family: Series G
  • Compatible Frames: JG Frame
  • Certification: CSA Certified, IEC Rated, UL Listed, CE Marked
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786685175522
  • GTIN: 00786685175522