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Westinghouse NB3900PR - 900A 3-Pole Molded Case Circuit Breaker

Westinghouse
Price
Save $-4,833.48
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The Westinghouse NB3900PR is a 3-pole molded case circuit breaker from the Tri-Pac family, designed for overcurrent protection in industrial power distribution systems. It is rated for 900A at 600VAC with a 30kA interrupting capacity at 480V, utilizing a thermal magnetic trip mechanism that provides long-time and instantaneous (LI) protection functions. This bolt-on breaker weighs 61 lb and features a compact molded case construction for secure panel mounting. It complies with industry standards for reliable performance in demanding environments. Typical applications include main or feeder protection in commercial and industrial switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600VAC
  • Current Rating: 900A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 30kA@480V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Family: Tri-Pac
  • Weight: 61 lb


Product Identification
  • UPC: Not available
  • GTIN: Not available