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Approvals & Standards

  • Some UL listed to standard File E143362

Key features & benefits

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.

More specifications


  • Protection for 16 kV to 25 kV transformers or distribution systems.

Product Specifications

Item Number


Item Description (ERP)

PDF EJO-1 FI 25.8KV 10E  


Medium Voltage Fuse 25800V 10A E-Rated Ferrule Mount Striker CNJ Series  

EAN/UPC code


Rated voltage AC UL

25800   V

Rated current

10   A





AC Max I.R./Breaking Capacity: I1

35   kA

Indication System


Indication System Type

Visual Indicator  

Contact materials

Silver-Plated Copper  

Connection/Terminal Type


Body/Insulating Material


Product Weight

2.4948   kg

Product Diameter

50.8   mm

Product Length

588.8   mm

Sell Pack Quantity

1   Each

Sell Pack Weight

2.6218   kg

Sell Pack Width

69.8   mm

Sell Pack Length

601.7   mm

Sell Pack Height

73.2   mm