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Approvals & Standards

  • ANSI C37-41

Key features & benefits

Mersen capacitor fuses are designed to ANSI C37-41. They are currentlimiting operating without noise or discharge and are designed to be used indoors in a general purpose enclosure or outdoors in a weatherproof enclosure. These are non-disconnecting fuses requiring the use of a disconnect switch. These capacitor fuses provide both short circuit and overload protection and are intended to protect against capacitor case rupture or dielectric failure within the capacitor.
The various mounting configurations offer manufacturers a wide range of cost/space saving solutions and a large choice of equivalent products

More specifications

Applications

  • Capacitor Protection
  • Power Factor Correction Equipment
  • Harmonic Filtering Equipment
  • Induction Heating System
  • High Power Drive
  • Welders

Product Specifications

Frequency (Hz)

50/60   Hz

Ampere range

12 to 75 A  

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  (31)

Item number - Catalog No.

Ampere rating

Fuse size

Total Clearing I2t

Indication System

Product weight

A550C12-15

12   A

-

-

Yes  

1.134   kg

A550C12-70

12   A

-

-

Yes  

1.134   kg

A550C12-75

12   A

-

-

Yes  

1.134   kg

A550C18-15

18   A

-

-

Yes  

1.134   kg

A550C18-70

18   A

-

-

Yes  

1.134   kg

A550C18-75

18   A

-

-

Yes  

1.134   kg

A550C20-15

20   A

-

-

Yes  

1.134   kg

A550C20-70

20   A

-

-

Yes  

1.134   kg

A550C20-75

20   A

-

-

Yes  

1.134   kg

A550C25-15

25   A

-

-

Yes  

1.134   kg

A550C25-70

25   A

-

-

Yes  

1.134   kg

A550C25-75

25   A

-

-

Yes  

1.134   kg

A550C30-15

30   A

-

-

Yes  

1.134   kg

A550C30-70

30   A

-

-

Yes  

1.134   kg

A550C30-75

30   A

-

-

Yes  

1.134   kg