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American/Federal Pacific NFJ437250 - 3-Pole 250A 480V Molded Case Breaker

American/Federal Pacific
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American/Federal Pacific NFJ437250 is a three-pole molded case circuit breaker from the NFJ Series, designed for overcurrent protection in industrial power distribution systems. It is rated for 480V AC, 250A continuous current, and provides an interrupting capacity of 18kA at 480V, with LI (Long-Time and Instantaneous) trip functions for thermal-magnetic protection. The unit features a bolt-on connection, weighs 15 lb, and is built for three-phase applications. This breaker complies with industry standards for molded case circuit breakers and is suitable for use in panelboards, switchboards, and motor control centers requiring reliable fault interruption.

Key Features & Specifications
  • Type: Molded Case, NFJ Series, Thermal Magnetic
  • Voltage Rating: 480V
  • Current Rating: 250A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA@480V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 15 lb
  • Functions: LI - Long-Time and Instantaneous
  • Item Subcategory: Molded Case
  • Family: NFJ Series
  • Type: NFJ