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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 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

Applications

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

Product Specifications

Frequency (Hz)

50/60   Hz

Ampere range

10 to 1200 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  

References in this series  (33)

A055B2DSR0-600E

600   A

-

-

Yes  

10.4326   kg

A055B3D0R0-750E

750   A

-

-

Yes  

19.9581   kg

A055B3D0R0-900E

900   A

-

-

Yes  

19.9581   kg