15.5kV Bolt-On Mount Transformer Fuses


Mersen fuses for the protection of transformers and distribution lines deliver overload and short circuit protection. These current-limiting fuses will melt at current that can be as low as 1.7 times the fuse current ratings up to its maximum interrupting rating. These fuses are designed to withstand the transformer magnetizing inrush current. They are single, double, triple or quadruple barrels 3 inch diameter (size D) with end mounts designed for bolting directly to equipment bus or terminal pads.


  • Frequency (Hz): 50/60   Hz
  • Ampere Range: 200 to 300 A 
  • Speed/Characteristic: E-Rated 
  • UL File Number: File E143362 
  • UL Category Code: JEEG 
  • REACH Compliant: Yes 
  • Max Operating Temp.: 80   °C
  • Max Storage Temp.: 80   °C
  • Min Storage Temp.:-25   °C
  • Harmonized System: 853510  
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