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


  • Collaborative robot in our production

    February 26, 2018

    In our production is already for 9 months fully implemented the collaborative robot UR5 from the Danish company Universal Robots. Check video at https://www.universal-robots.com/case-stories/izoelektro-doo/

  • Funds from public tender

    February 21, 2018

    In the public tender "Incentives for research and development projects 2" we received grants for "Development of a system for monitoring the functionality of surge arresters".

  • Hanover fair 2018

    January 29, 2018

    This year we will be again exhibitor at the Hanover fair, which will be held 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.