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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

Applications

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

Product Specifications

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  

References in this serie  (4)

Item number - Catalog No.

Ampere rating

Fuse size

Total Clearing I2t

Indication System

Product weight

9F62KED300

300   A

-

-

Yes  

20.7518   kg

A155B2D0R0-200E

200   A

-

-

Yes  

12.7006   kg

A155B3D0R0-300E

300   A

-

-

Yes  

20.4116   kg

9F60XMH125

125   A

-

-

Yes  

20.7518   kg