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Westinghouse NB31200WK - Molded Case Circuit Breaker 1200A 600V

Westinghouse
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Westinghouse NB31200WK is a 1200A 3-pole molded case circuit breaker from the NB Series, designed for use as a non-automatic switch providing no overcurrent protection in high-current power distribution systems. It is rated for 600VAC and 1200A continuous current, with an interrupting capacity of 30kA at 480V, and features a bolt-on connection for secure mounting in switchgear and panelboards. Weighing 61 lb, this three-phase device is constructed for robust industrial applications and complies with UL listing standards for safety and performance. It is commonly employed in commercial and industrial power distribution infrastructure where remote switching via shunt trip is required.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Westinghouse
  • Part Number: NB31200WK
  • Amperage Rating: 1200A
  • Voltage Rating: 600VAC
  • Poles: 3
  • Phase: 3
  • Mounting Type: Bolt-On
  • Interrupt Rating: 30kA @ 480V
  • Series/Frame: NB
  • Protection: Non-Automatic
  • Functions: NA - No Overcurrent Protection
  • Weight: 61 lb
  • UL Listed
  • Application: Industrial, Commercial Power Distribution