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Westinghouse NB31000S - 1000A 3-Pole MCCB (600V)

Westinghouse
Price
Save $-4,390.18
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  • In stock, ready to ship
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Westinghouse NB31000S is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 1000A at 600V AC and features a thermal magnetic trip unit with long-time and instantaneous (LI) protection functions. This bolt-on breaker weighs 61 lb and includes an interchangeable trip unit with load side lug terminals. It carries a 30kA interrupting rating at 480V AC, ensuring reliable fault clearing in three-phase electrical networks. The NB31000S is suitable for protecting feeders, main switchboards, and heavy machinery in manufacturing and utility environments.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: NB Series
  • Type: NB
  • Weight: 61 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 30kA at 480V AC
  • Phase: 3
  • Current Rating: 1000A
  • Interchangeable Trip Unit
  • Load Side Lug Terminals