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Approvals & Standards

IEC 60282-1

  • VDE 0670 part 4
  • DIN 43625

Key features & benefits

Mersen HV fuse-links have been used for reliable protection in high-voltage switchgear and controlgear and high-voltage systems for decades.
Limitor®-PT HV fuses are back-up fuses as defined in the IEC 60282-1 standard and dedicated to protect transformers against the effects of short-circuit currents.
To guarantee high quality, Mersen uses the best materials: fuse-elements are in pure silver, caps are in copper coated with silver and bodies are in ceramic.

More specifications


HV Transformer protection

Product Specifications

Voltage Range

3 ... 24 kV  

Ampere Range

1 ... 200 A  

REACH Compliant


References in this serie  (43)

Item number - Catalog No.

Ampere rating

Fuse size

Total Clearing I2t

Indication System

Product weight

A1000132 - 45DB120V100PT

100   A

d=78mm, L=292mm  

140   kA²s


4.85   lb

Q1000123 - 45DB120V10PT

10   A

d=56mm, L=292mm  

1.15   kA²s


3.527   lb

B1000133 - 45DB120V125PT

125   A

d=88mm, L=292mm  

440   kA²s


8.378   lb

C1000134 - 45DB120V160PT

160   A

d=88mm, L=292mm  

500   kA²s


8.378   lb

R1000124 - 45DB120V16PT

16   A

d=56mm, L=292mm  

1.29   kA²s


3.527   lb