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Federal Pioneer NB250 - Molded Case Circuit Breaker 50A 2P

Federal Pioneer
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Federal Pioneer NB250 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 50A current rating and a 240V AC voltage rating, housed within a compact, durable enclosure measuring 78.49 mm in depth and 112.78 mm in width with a weight of 10.4 lb. This CSA-certified unit employs a thermal-magnetic protection mechanism with LI (Long-time and Instantaneous) trip functions and offers a 10kA interrupting capacity at 240V. Its two-pole, bolt-on configuration is engineered for industrial and commercial panelboards, supporting wire sizes from AWG 14 to AWG 2/0 for both aluminum and copper conductors.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, NB Series, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 50A
  • Dimensions: 78.49 mm (Depth) x 112.78 mm (Width)
  • Weight: 10.4 lb
  • Standards: CSA Certified
  • Applications: Industrial and Commercial Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Phase: 1
  • Amperage: 50A
  • AIC Rating: 10kA @ 240V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Wire Size: AWG 14 to AWG 2 (Aluminum/Copper); AWG 4 to AWG 2/0 (Aluminum/Copper)
  • Certification: CSA


Product Identification
  • UPC: 704798906857
  • GTIN: 00704798906857