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American/Federal Pacific NB3P20 - 3-Pole Molded Case Breaker 20A 240V

American/Federal Pacific
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American/Federal Pacific NB3P20 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial electrical systems. It features a 20A current rating and a 240V AC voltage rating, housed within a compact, durable molded case measuring 136.65 mm in depth and 143.26 mm in width with a weight of 1 lb. This CSA-certified unit employs a thermal-magnetic protection mechanism with long-time and instantaneous (LI) trip functions, delivering a 10kA interrupting capacity at 240V. Its three-pole, bolt-on configuration is engineered for secure installation in compatible enclosures, typically protecting conductors from AWG 14 to 1/0 for both aluminum and copper wiring in commercial and industrial power distribution applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, NB Series, Thermal-Magnetic Protection with Long-Time and Instantaneous (LI) Trip Functions
  • Voltage Rating: 240V AC
  • Current Rating: 20A
  • Dimensions: 136.65 mm (5.38 in) Depth x 143.26 mm (5.64 in) Width
  • Weight: 1 lb
  • Standards: CSA Certified
  • Applications: Three-Phase Industrial and Commercial Power Distribution
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 10kA @ 240V
  • Wire Size: AWG 14...AWG 1/0 (Aluminum/Copper)
  • Item Subcategory: Molded Case
  • Family: NB Series