Thomas & Betts 5254GR - Class L Fuse 600V 400A
Thomas & Betts 5254GR - Class L Fuse 600V 400A

Thomas & Betts 5254GR - Class L Fuse 600V 400A

Thomas & Betts
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The Thomas & Betts 5254GR is a heavy-duty industrial fuse designed for overcurrent protection in high-power electrical systems. It is rated for a voltage of 600V AC/DC and a current of 400A, with a robust AIC rating suitable for high-fault applications. The unit features a Class L fuse type, constructed with a non-renewable, current-limiting design in a ferrule or knife-blade configuration, weighing 745 lb and housed in a durable metal enclosure. It complies with UL and CSA standards for safety and performance, ensuring reliable operation in demanding environments. Typical applications include protection of main feeders, switchboards, and large industrial machinery in manufacturing plants and power distribution systems.

Key Features & Specifications
  • Type: Class L, current-limiting, non-renewable fuse
  • Voltage Rating: 600V AC/DC
  • Current Rating: 400A
  • AIC Rating: High-fault capacity (specific value not provided)
  • Connection: Ferrule or knife-blade terminals
  • Standards: UL listed, CSA certified
  • Applications: Main feeder protection, switchboards, industrial machinery
  • Weight: 745 lb


Product Identification
  • UPC: 78621089995
  • GTIN: 00786210899954