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Westinghouse NB3300PT - 300A 3-Pole Thermal Magnetic Circuit Breaker

Westinghouse
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Save $-995.99
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Westinghouse NB3300PT is a 3-pole thermal magnetic circuit breaker designed for providing reliable overcurrent protection in industrial power distribution systems. It features a 600V AC voltage rating and a fixed 300A current rating, housed within a compact and durable NB frame construction that weighs 3 lb. This unit complies with relevant industry standards for electrical safety and performance, utilizing a Long-Time and Instantaneous (LI) trip function for coordinated protection. Its typical applications include safeguarding feeders, branch circuits, and motor loads within commercial and industrial panelboards.

Key Features & Specifications
  • Type: Thermal Magnetic Circuit Breaker, NB Frame, 3-Pole
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Compatible Frames: NB
  • Weight: 3 lb
  • Family: TRI-PAC
  • Item Subcategory: Trip Units & Programmers