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Westinghouse NB2900S - Molded Case 900A 600V

Westinghouse
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Westinghouse NB2900S is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It provides a 900A current rating with a 600V voltage rating and a 30kA interrupting capacity at 480V. This two-pole, bolt-on unit weighs 53 lb and features thermal magnetic protection with LI (long-time and instantaneous) trip functions. It complies with industry standards for molded case circuit breakers. Typical applications include protecting feeders and large branch circuits in commercial and industrial electrical panels.

Key Features & Specifications
  • Type: Molded Case
  • Voltage Rating: 600V
  • Current Rating: 900A
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC rating: 30kA@480V
  • Phase: 1
  • Weight: 53 lb
  • Family: NB Series


Product Identification
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