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


  • New patent

    July 4, 2017

    We developed and patented a new insulated top fitting (head) for a post composite insulator with an updated spring clamp intended for larger conductors with a diameter of up to 30 mm.

  • A PKI type tests

    June 12, 2017

    The post insulator type A PKI with integrated spring clamp has successfully passed all type tests according to the IEC standards by an independent accredited laboratory.

  • Izoelektro at Hanover fair 2017

    May 3, 2017