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


  • 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

  • MV surge arrester SNO - class DH

    April 25, 2016

    At the Hannover Fair 2016 we are among the first in Europe to introduce a new product - a group of surge arresters type SNO class DH manufactured according to IEC 60099-4:2014 and certified by an accredited laboratory Cesi - Italy.