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Approvals & Standards

  • Some UL Listed to standard 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 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.

More specifications


  • Protection for 5.5kV to 15.5kV transformers or distribution systems

Product Specifications

Item Number


Item Description (ERP)

15.5kV 300E E-RATED BOLT In  


Medium Voltage Fuse 15500V 300A E-Rated Bolt-On Mount Striker D0R0 Series  

EAN/UPC code


Rated voltage AC UL

15500   V


50/60   Hz

Rated current

300   A





AC Max I.R./Breaking Capacity: I1

50   kA

Indication System


Indication System Type

Visual Indicator  

Contact materials

Silver-Plated Copper  

Connection/Terminal Type


Body/Insulating Material


Product Weight

20.4116   kg

Product Width

76.2   mm

Product Length

637.8   mm

Product Height

295.4   mm

Sell Pack Quantity

1   Each

Sell Pack Weight

21.4322   kg

Sell Pack Width

317.5   mm

Sell Pack Length

673.1   mm

Sell Pack Height

76.2   mm