The arresters with polymer housing are single phase devices, with the function of surge protection by zinc oxide varistors. They are manufactured according to standards UNE-EN-60099-4/CEI 99-4.

Advantages and construction details:

  • Polymer housings with extended creepage distances and excellent performance in areas with high pollution.
  • They incorporate an insulating base for support as well as a disconnect device which acts by disconnecting the short-circuit arrester with visual indication.
  • Large energy absorption capacity, with nominal currents of 10KA.

Main applications: Protection of equipment located on the distribution and transmission lines such as transformers, switchgears, and network overhead line diversions, overhead to underground connections, etc. In general, any device or network to be protected against lightning surges.

Range: Range from 3kV rated voltage up to 45KV.


  • Surge Counters
  • Protective caps
  • Earthing copper braids or cables.

These are some of the options available. For more information, see the product catalog.

Access to the catalog

More information?