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Westinghouse NB3500PT - Trip Unit 500A 600V 3-Pole

Westinghouse
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The Westinghouse NB3500PT is a 3-pole thermal magnetic circuit breaker trip unit from the Tri-Pac family, designed to provide LI (Long-Time and Instantaneous) protection for electrical systems. It is rated for 600V AC and a fixed 500A current, with a compact footprint of 5.5 inches in depth, 8.25 inches in height, and 8.25 inches in width, weighing 4 lb. This unit is UL 489 certified and constructed in the United States, compatible exclusively with NB frames for reliable overcurrent protection in industrial power distribution applications.

Key Features & Specifications
  • Type: NB Series Trip Unit & Programmer
  • Voltage Rating: 600V AC
  • Current Rating: 500A (fixed)
  • Dimensions: 5.5 in x 8.25 in x 8.25 in (Length/Depth x Height x Width)
  • Weight: 4 lb
  • Standards: UL 489
  • Applications: Industrial power distribution and motor protection
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Compatible Frames: NB
  • Country of Origin: United States


Product Identification
  • UPC: 786679766576
  • GTIN: 00786679766576