About company

Izoelektro d.o.o. is a quickly growing company from Slovenia (EU) that provides products intended for maintenance, renewal and set up of electro-energy systems.

Our most important products are low and medium voltage surge arresters and medium voltage insulators. Most contain our own built-in innovative patented solutions. Electricity distribution companies from more than 40 countries worldwide already made the decision to trust the knowledge and technology of our company.

The company is a holder of certificates ISO 9001 and ISO 14001.

Product Catalogue

 Product Catalogue
download PDF

MV surge arresters
class DH

General data
  • Ur = from 3,7 kV to 55 kV
  • IEC class DH
  • For indoor and outdoor installation
  • Ambient temperature range T = -60 °C ... +85 °C
  • Tested according to standard IEC 60099-4:2014
  • download pdf


  • Hannover Messe 2017

    January 10, 2017

    International trade fair in Hannover will be held from 24th to 28th of April 2017. At the trade fair, we will present our products and our technical innovations. In case you want to visit our exhibition place, please contact us regarding free entry tickets. You are welcome!

  • SNO class DH - IEC 60099-4:2014

    July 14, 2016

    End of testing of MV surge arresters Class DH and the start of commercial batch production.

  • Hannover Messe 2016

    May 12, 2016

    We thank all the guests that we visited during the fair at our stand. If you still need any additional information, we are at your service.

    Izoelektro razstavni prostor Hannover 2016