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Westinghouse NB3900PR - Molded Case 900A 600V 3-Pole

Westinghouse
Price
Save $-4,833.47
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Condition
  • In stock, ready to ship
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Westinghouse NB3900PR is a 3-pole molded case circuit breaker from the Tri-Pac NB family, designed for high-capacity overcurrent protection in industrial power distribution systems. It delivers a 900A current rating at 600VAC with a 30kA interrupting capacity at 480V, utilizing a thermal magnetic trip mechanism for LI (Long-Time and Instantaneous) protection functions. The unit features a bolt-on connection type and weighs 61 lb, constructed for reliable performance in demanding environments. This breaker complies with applicable industry standards for molded case circuit breakers and is suitable for commercial and industrial applications requiring robust circuit protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: Tri-Pac
  • Type: NB
  • Weight: 61 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 30kA@480V
  • Phase: 3
  • Current Rating: 900A