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Westinghouse NB31200WK - Molded Case 1200A 3-Pole 600V

Westinghouse
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The Westinghouse NB31200WK is a 3-pole, 1200A molded case circuit breaker from the NB Series, designed for use as a non-automatic switch providing circuit isolation and disconnect functions without overcurrent protection. It is rated for 600V AC, 3-phase systems, with an interrupting capacity of 30kA at 480V AC, and features a bolt-on connection for secure installation in compatible panelboards and switchboards. Weighing 61 lb, this unit is constructed with a robust molded case housing for durability in industrial environments. The NB31200WK complies with applicable industry standards for safety and performance in heavy-duty power distribution applications. It is typically employed in industrial settings where a manual disconnect or switching function is required, such as in main service entrances, feeder circuits, or as a branch circuit disconnect for large equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Non-Automatic (No Overcurrent Protection)
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 30kA@480V
  • Connection: Bolt-On
  • Protection: Non-Automatic (Switch only)
  • Functions: NA - No Overcurrent Protection
  • Family: NB Series
  • Weight: 61 lb
  • Manufacturer: Westinghouse


Product Identification
  • UPC: Not specified
  • GTIN: Not specified