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


  • Hanover fair 2018

    January 29, 2018

    This year we will be again exhibitors at the Hanover fair, which will be from 23 until 27 April 2018. Our exhibition stand A41 will be in hall 13. If you want to visit us, a free ticket is available for you.

  • Testing in our high-voltage laboratory

    November 27-29, 2017

    For company Nexans Power Accessories we performed 3 days trials in our high-voltage laboratory. Two tests were made:

    -    Long-duration current impulse withstand test
    -    Current impulse withstand 5kA – 60kA

    Both tests were successfully completed.

  • Power-line accessory type testing

    November 6, 2017

    We successfully completed new type tests for power-line accessories according to the standard IEC 61284 (Mechanical damage and failure load test). Included are our tension and suspension clamps as well as steel yokes and extensions.