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Westinghouse NB21200 - Molded Case 1200A 600V

Westinghouse
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The Westinghouse NB21200 is a 2-pole molded case circuit breaker designed for primary overcurrent protection in industrial power distribution systems. It features a 1200A current rating and a 600V voltage rating, with a 30kA interrupting capacity at 480V for robust fault handling. This bolt-on unit weighs 53 lb and utilizes thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions for coordinated fault response. The breaker complies with industry standards for molded case circuit breakers and is suitable for single-phase applications in commercial and industrial settings.

Key Features & Specifications
  • Type: Molded Case
  • Voltage Rating: 600V
  • Current Rating: 1200A
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 30kA@480V
  • Phase: 1
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 53 lb
  • Family: NB Series
  • Item Subcategory: Molded Case


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