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Cutler Hammer HMCPJ250K5L - Molded Case Breaker 250A 600V 3P

Cutler Hammer
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Cutler Hammer HMCPJ250K5L is a molded case circuit breaker designed for providing instantaneous magnetic-only protection in three-phase industrial motor circuits. It features a 250A current rating and a 600V voltage rating, housed within a compact 3.57" x 7" x 4.13" (LxHxW) bolt-on frame. The breaker is constructed for reliable operation across a wide temperature range from -25°C to 70°C and complies with UL, CSA, and IEC standards. It is typically applied in motor starter panels from manufacturers like Eaton and Rockwell, offering a 50kA interrupting capacity at 400V for robust short-circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Magnetic-Only Instantaneous Trip
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Frame Size: 250A/JG
  • Poles: 3
  • Phase Connection: ABC
  • AIC Rating: 50kA @ 400V
  • Connection: Bolt-On
  • Terminal Connection: Line/Load Lug
  • MCM Size / Wire Range: 14 AWG to 1/0 AWG
  • Dimensions: 3.57 in x 7 in x 4.13 in (Length/Depth x Height x Width)
  • Weight: 6 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Protection: Magnetic Only
  • Functions: Instantaneous Trip
  • Breaker Type: Standard
  • Panel Type: Compatible with Eaton Motor Starters, Rockwell Motor Starters
  • Standards & Certification: UL Listed, CSA Certified, IEC Rated
  • Family: Series G
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 782114965788
  • GTIN: 00782114965788