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Thomas & Betts 3940 - 200A 600VAC Industrial Fuse (Ferrule)

Thomas & Betts
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Thomas & Betts 3940 is a heavy-duty industrial fuse designed for overcurrent protection in electrical distribution systems. It is rated for 600 volts AC and 200 amperes, providing reliable fault interruption in high-power circuits. The fuse features a compact, non-renewable cartridge construction with a ferrule terminal connection and weighs 5.19 lb. It complies with UL and CSA standards for safety and performance in industrial environments. Typical applications include motor branch circuits, feeder protection, and panelboard installations in manufacturing facilities and commercial buildings.

Key Features & Specifications
  • Type: Non-renewable cartridge fuse, ferrule connection
  • Voltage Rating: 600 V AC
  • Current Rating: 200 A
  • Dimensions: Standard ferrule size
  • Standards: UL listed, CSA certified
  • Applications: Motor branch circuits, feeder protection, panelboards
  • Weight: 5.19 lb


Product Identification
  • UPC: 78621003940