Medium Voltage IEEE Fuses

General Purpose Ferrule Mount Fuses for Transformer Protection

25.8kV Ferrule 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 have 2" (size C), 3" (size D) and 2x3" (size DD) inch diameter barrels with ferrules and are mounted in spring reinforced clips.



  • Ferrule mounting for standard clips and interchangeability with other brands of fuses.
  • Current-limiting for superior equipment protection.
  • Non-venting for silent operation
  • Metal embossed catalog number and manufacturing date for lasting identification.
  • Outdoor usage for the type EJO.
  • Blown-fuse indicator to give positive identification of open fuse:
  • 9F60/9F62: 0.125 lb tripped force – 0.20 Inch


  • Voltage Range (VAC) 25.8 kV VAC
  • Ampere Range (A) 1/2A to 100A
  • I.R. AC (kA) 25 kA
    35 kA
  • Speed / Characteristic E-Rated
  • Mounting Clip
  • Connection Terminal Type Ferrule
  • Body Style Ferrule
  • Body Material Epoxy
  • Materials Contact Silver-Plated Copper
  • Application Protection for 16 kV to 25 kV transformers or distribution systems.
  • ROHS Compliant Consult Technical Services
  • Lead Free Consult Technical Services
  • CE conformity Consult Technical Services


  • 9F60CMJ001
  • 9F60CMJ002
  • 9F60CMJ905
  • 9F60DNJ001
  • 9F60DNJ002 - D1021847
  • 9F60DNJ003
  • 9F60DNJ005
  • 9F60DNJ007
  • 9F60DNJ010
  • 9F60DNJ905
  • 9F60FNJ015
  • 9F60FNJ020 - E1021848
  • 9F60FNJ025
  • 9F60FNJ030
  • 9F60FNJ040
  • 9F60FNJ050
  • 9F60HNJ065
  • 9F60HNJ080
  • 9F60HNJ100


  • CAD Drawings

    • Drawing 2b628001 9F60 CMJ and 9F62 DDD-FDD :   PDF (181 KB)



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