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American/Federal Pacific NEF433050 - Molded Case 50A 3-Pole 480V

American/Federal Pacific
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American/Federal Pacific NEF433050 is a 3-pole molded case circuit breaker designed for overcurrent protection in three-phase industrial power distribution systems. It is rated for 480V AC and 50A, with a 14kA interrupting capacity at 480V, and utilizes thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. The unit features a bolt-on connection type, weighs 3 lb, and is constructed as part of the NEF Series for reliable performance. This breaker complies with industry standards for molded case circuit breakers in commercial and industrial environments. It is typically applied in panelboards, switchboards, and motor control centers requiring dependable circuit protection.

Key Features & Specifications
  • Manufacturer: American/Federal Pacific
  • Item Subcategory: Molded Case
  • Family: NEF Series
  • Type: NEF
  • Weight: 3 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 480V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 14kA@480V
  • Phase: 3
  • Current Rating: 50A
  • Part Number: NEF433050
  • Amperage Rating: 50 Amps
  • Interrupt Rating: 14 kA @ 480V
  • Mounting: Bolt-On
  • Current Type: AC