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Federal Pacific NFJ435250 - Molded Case 250A 480V 3-Pole

Federal Pacific
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Federal Pacific NFJ435250 is a 3-pole molded case circuit breaker from the NFJ Series, designed for thermal magnetic overcurrent protection in industrial power distribution systems. It is rated for 480V AC, 250A continuous current, and an interrupting capacity of 18kA at 480V, with LI (Long-Time and Instantaneous) trip functions for coordinated fault clearing. This bolt-on unit weighs 15 lb and features a compact molded case construction suitable for panelboard or switchboard installation. It complies with applicable UL and NEMA standards for industrial circuit protection. Typical applications include feeder protection in commercial and industrial electrical systems requiring reliable overcurrent and short-circuit interruption.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, NFJ Series, Thermal Magnetic
  • Voltage Rating: 480V AC
  • Current Rating: 250A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 18kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 15 lb
  • Protection: Thermal Magnetic
  • Circuit Breaker Mounting Style: Bolt-On
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, NEMA
  • Installation Type: Panelboard/Switchboard
  • Breaker Frame: NFJ
  • Trip Type: Thermal Magnetic
  • Frame Size: NFJ


Product Identification
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