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American/Federal Pacific NA50 - Molded Case Circuit Breaker 50A 1-Pole 120V

American/Federal Pacific
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American/Federal Pacific NA50 is a molded case circuit breaker designed for providing reliable overcurrent protection in 120V AC single-phase electrical systems. It features a 50A current rating and a 10kA interrupting capacity at 120V, utilizing a thermal-magnetic trip mechanism for both long-time delay and instantaneous response to fault conditions. The breaker is constructed with a compact plug-in form factor measuring 78.49 mm in depth and 112.78 mm in width, weighing 0.26 lb, and is certified to CSA standards. Its design accommodates conductor sizes from AWG 14 to AWG 2 for both aluminum and copper wiring, making it suitable for a range of residential and light commercial panelboard applications within the Stab-Lok family.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Plug-In Connection
  • Voltage Rating: 120V AC
  • Current Rating: 50A
  • Dimensions: 3.09 in (78.49 mm) Depth x 4.44 in (112.78 mm) Width
  • Standards: CSA Certified
  • Applications: Residential & Light Commercial Panelboards
  • Phase: 1
  • AIC Rating: 10kA @ 120V
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Connection: Plug-In
  • Wire Size: AWG 14 to AWG 2 (Aluminum/Copper)
  • Family: Stab-Lok
  • Weight: 0.26 lb