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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  

26   lb

A072B2D0R0-300E

300   A

-

-

Yes  

26   lb

A072B2D0R0-350E

350   A

-

-

Yes  

26   lb

A072B2D0R0-400E

400   A

-

-

Yes  

26   lb

A083B1DAR0-100E

100   A

-

-

No

12   lb

A083B1DAR0-10E

10   A

-

-

No

12   lb

A083B1DAR0-15E

5   A

-

-

No

12   lb

A083B1DAR0-20E

20   A

-

-

No

12   lb

A083B1DAR0-25E

25   A

-

-

No

12   lb

A083B1DAR0-30E

30   A

-

-

No

12   lb

A083B1DAR0-40E

40   A

-

-

No

12   lb

A083B1DAR0-50E

50   A

-

-

No

12   lb

A083B1DAR0-65E

65   A

-

-

No

12   lb

A083B1DAR0-80E

80   A

-

-

No

12   lb

A083B2DAR0-125E

125   A

-

-

Yes  

22.1   lb