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Westinghouse NBY3800S - 800A 3-Pole Non-Automatic Switch

Westinghouse
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Westinghouse NBY3800S is a 3-pole molded case circuit breaker designed for non-automatic switching applications requiring no overcurrent protection. It is rated for 800A continuous current at 240V AC, with an interrupting capacity of 100kA at 240V, and features a bolt-on connection for secure installation. The unit weighs 61 lb and is part of the NBY Series, constructed as a non-automatic switch for use in industrial power distribution systems. This breaker complies with applicable industry standards for molded case switches, ensuring reliable performance in demanding environments. Typical applications include use as a main disconnect or feeder switch in commercial and industrial panelboards, switchboards, and motor control centers where overcurrent protection is provided separately.

Key Features & Specifications
  • Type: Molded Case, Non-Automatic Switch
  • Voltage Rating: 240V AC
  • Current Rating: 800A
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 100kA@240V
  • Phase: 3
  • Functions: NA - No Overcurrent Protection
  • Protection: Non-Automatic
  • Weight: 61 lb
  • Family: NBY Series
  • Type: NBY