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American/Federal Pacific NB221050 - Molded Case Circuit Breaker 50A 2-Pole

American/Federal Pacific
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American/Federal Pacific NB221050 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 50A current rating and a 240V AC voltage rating, engineered for single-phase applications. The breaker utilizes a thermal-magnetic trip mechanism for both long-time delay and instantaneous short-circuit protection, housed in a compact, durable molded case with a two-pole, bolt-on connection configuration. It complies with industry standards for circuit interruption and is rated for an interrupting capacity of 10kA at 240V AC. Typical applications include protection for feeders, branch circuits, and equipment within panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, NB Series, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 50A
  • Poles: 2
  • Connection: Bolt-On
  • Phase: 1
  • AIC Rating: 10kA @ 240V AC
  • Trip Functions: LI (Long-Time and Instantaneous)
  • Weight: 1 lb