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Thomas & Betts 3871TB - 100A 600V AC Ferrule Fuse

Thomas & Betts
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Thomas & Betts 3871TB is a heavy-duty industrial fuse designed for overcurrent protection in high-power electrical systems. It is rated for 600V AC and carries a current rating of 100A, ensuring reliable performance under demanding load conditions. The fuse features a compact, non-renewable cartridge construction with ferrule end connections, weighing 5.19 lb and housed in a durable insulating tube for enhanced safety. It complies with UL and CSA standards, making it suitable for use in branch circuit protection within motor control centers, switchboards, and panelboards. This fuse is commonly applied in manufacturing plants, commercial buildings, and utility substations for protecting transformers, feeders, and motor circuits.

Key Features & Specifications
  • Type: Non-renewable cartridge fuse, ferrule end connections
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Weight: 5.19 lb
  • Standards: UL listed, CSA certified
  • Applications: Branch circuit protection, motor control centers, switchboards, panelboards, transformers, feeders
  • Connection: Ferrule
  • Protection: Overcurrent
  • Class: RK1 or Class H (based on typical Thomas & Betts fuse classification)
  • Mounting: Clip or holder
  • Frequency Rating: 50/60 Hz


Product Identification
  • UPC: 786210038711
  • GTIN: 00786210038711