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Thomas & Betts 54875LR34 - 400A 600V Cartridge Fuse

Thomas & Betts
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Thomas & Betts 54875LR34 is a heavy-duty industrial fuse designed for overcurrent protection in high-power electrical systems. It is rated for 600 volts AC/DC with a current rating of 400 amps, providing robust fault interruption capabilities. The fuse features a compact, non-renewable cartridge construction with a ferrule end connection, weighing 24.75 lb and housed in a durable melamine tube for thermal stability. It complies with UL and CSA standards, ensuring reliable performance in demanding environments. This fuse is commonly used in motor control centers, switchgear, and distribution panels for commercial and industrial applications.

Key Features & Specifications
  • Type: Non-renewable cartridge fuse, ferrule end connection
  • Voltage Rating: 600 V AC/DC
  • Current Rating: 400 A
  • Weight: 24.75 lb
  • Standards: UL listed, CSA certified
  • Applications: Motor control centers, switchgear, distribution panels
  • Fuse Class: RK1 or Class J (based on application)
  • Mounting: Ferrule clip
  • Frequency Rating: 50/60 Hz
  • Interrupting Rating: 200 kA RMS symmetrical


Product Identification
  • UPC: 78621017992
  • GTIN: 00786210179926