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Federal Pacific NA40 - 40A 1-Pole Thermal Magnetic Circuit Breaker

Federal Pacific
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Federal Pacific NA40 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase 120V AC electrical systems. It features a 40A 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 compact, plug-in unit measures 78.49 mm in depth by 112.78 mm in width, weighs 0.27 lb, and is constructed for compatibility with #14 AWG to #2 AWG aluminum or copper conductors. This CSA-certified breaker is engineered for integration into Stab-Lok panelboards, meeting industry standards for residential and light commercial branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Stab-Lok NA Series, Thermal-Magnetic Protection
  • Voltage Rating: 120V AC
  • Current Rating: 40A
  • Dimensions: 78.49 mm (Depth) x 112.78 mm (Width)
  • Weight: 0.27 lb
  • Standards: CSA Certified
  • Applications: Branch circuit protection in residential and light commercial Stab-Lok panels
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • Amperage: 40A
  • AIC Rating: 10kA @ 120V
  • Connection: Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI) Trip
  • Wire Size: #14 AWG to #2 AWG (Aluminum/Copper)
  • Certification: CSA