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American/Federal Pacific NJL424300 - Molded Case 300A 2-Pole 480V

American/Federal Pacific
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American/Federal Pacific NJL424300 is a molded case circuit breaker from the NJL Series designed for overcurrent protection in industrial and commercial power distribution systems. This 2-pole, 300A breaker is rated for 480V and provides LI (Long-Time and Instantaneous) protection via a thermal magnetic trip mechanism. The unit weighs 28 lb and features a bolt-on connection for secure panel mounting, with a robust molded case construction suited for demanding environments. It carries an interrupting capacity of 30kA at 480V, meeting industry standards for reliable fault interruption. Typical applications include medium to high-load circuits in manufacturing facilities, commercial buildings, and electrical distribution panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: American/Federal Pacific
  • Series/Frame: NJL Series
  • Amperage: 300A
  • Poles: 2
  • Voltage: 480V
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • AIC rating: 30kA@480V
  • Connection: Bolt-On
  • Phase: 1
  • Weight: 28 lb
  • Mounting Type: Standard Panel Mount


Part Number: NJL424300