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Federal Pacific HEG431050 - 3-Pole 50A Thermal Magnetic Breaker

Federal Pacific
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Federal Pacific HEG431050 is a three-pole molded case circuit breaker designed for thermal magnetic overcurrent protection in industrial power distribution systems. It is rated for 480V AC, 50A continuous current, and provides long-time and instantaneous (LI) trip functions to safeguard branch circuits and equipment. The unit weighs 13 lb, features a bolt-on connection for secure panel mounting, and is constructed with a compact HEG frame for space-efficient installation. This breaker complies with UL 489 standards and carries an interrupting capacity of 22kA at 480V, making it suitable for high-fault-current environments. Typical applications include motor control centers, lighting panels, and feeder circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, HEG Series
  • Voltage Rating: 480V AC
  • Current Rating: 50A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 22kA@480V
  • Connection: Bolt-On
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • Weight: 13 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame: HEG
  • Standards: UL 489
  • Applications: Industrial power distribution, motor control centers, lighting panels, feeder circuits


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