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Federal Pacific NA3P50 - 3-Pole 50A Circuit Breaker (10kA AIC)

Federal Pacific
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Federal Pacific NA3P50 is a three-pole molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 50A current rating and a 240V AC voltage rating, housed within a compact plug-in unit measuring 78.49 mm in depth and 112.78 mm in width with a weight of 1 lb. The breaker utilizes a thermal-magnetic protection mechanism with long-time and instantaneous (LI) trip functions and is certified to CSA standards. It is engineered for industrial and commercial applications, offering a 10kA interrupting capacity at 240V to safeguard circuits connected with copper conductors ranging from AWG 14 to 1/0.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Stab-Lok NA Series, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 50A
  • Dimensions: 3.09 in (78.49 mm) Depth x 4.44 in (112.78 mm) Width
  • Standards: CSA Certified
  • Applications: Industrial and Commercial Three-Phase Power Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 3-Phase
  • Amperage: 50A
  • AIC Rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Wire Size: AWG 14 to AWG 1/0 Copper
  • Certification: CSA
  • Item Subcategory: Molded Case
  • Family: Stab-Lok
  • Breaker Type: NA
  • Weight: 1 lb


Product Identification
  • Manufacturer Part Number: NA3P50