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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

125 to 400 A  

Speed/Characteristic

E-Rated  

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  (18)

A072B2D0R0-250E

250   A

-

-

Yes  

11.7934   kg

A072B2D0R0-300E

300   A

-

-

Yes  

11.7934   kg

A072B2D0R0-350E

350   A

-

-

Yes  

11.7934   kg

A072B2D0R0-400E

400   A

-

-

Yes  

11.7934   kg

A083B1DAR0-100E

100   A

-

-

No

5.4431   kg

A083B1DAR0-10E

10   A

-

-

No

5.4431   kg

A083B1DAR0-15E

5   A

-

-

No

5.4431   kg

A083B1DAR0-20E

20   A

-

-

No

5.4431   kg

A083B1DAR0-25E

25   A

-

-

No

5.4431   kg

A083B1DAR0-30E

30   A

-

-

No

5.4431   kg

A083B1DAR0-40E

40   A

-

-

No

5.4431   kg

A083B1DAR0-50E

50   A

-

-

No

5.4431   kg

A083B1DAR0-65E

65   A

-

-

No

5.4431   kg

A083B1DAR0-80E

80   A

-

-

No

5.4431   kg

A083B2DAR0-125E

125   A

-

-

Yes  

10.0244   kg