Who is Zelisko?Zelisko logo square

Zelisko was founded in 1918 by Dr. techn. Josef Zelisko as individual enterprise in Mödling. The technological long-term thinking and the inventiveness of the company’s founder formed the basis of the enterprise’s success. The focus was  on inventions and new product development made-to customers orders. The Dr. techn. Josef Zelisko, Fabrik für Elektrotechnik und Maschinenbau GmbH forms part of the Knorr-Bremse group since 1988.

In Mödling, where the company was founded, Zelisko develops, produces and sells traffic management systems, signal systems and instrument transformers.

The company is characterised by its innovative power and developments which are perfectly designed for individual requirements of customers. Zelisko’s high quality products have world wide customers in the installation of switch gears, as well as in the energy industry with road and train operators.

Zelisko offers high-end products at attractive prices, completed by advisory services during realisation of customer projects.

The company is certified according to ISO 9001 + 14001.

What is our relationship to Zelisko?

We have been a importer of Zelsiko in Southern Africa for quite some time.

Using a network of close partnerships we spread the word of Rotronic and their range of high quality products and services.

What does Zelisko do?

Zelisko makes a range of instrument transformers CT and VTS which are free of maintenance, dry-type and suitable for installation in any position possible. The excellent product quality provides best insulation, great mechanical strength and high arc and temperature stability.They are subject to a routine test according to the respective standards (e.g. DIN VDE, IEC, ANSI, GOST…).

The obligatory high reliability of products for power T&D is not only based on the implementation of the latest technologies but also on the consistent utilisation of long-time experience. Zelisko instrument transformers have proven their worth for more than 50 years, operating in substations under diverse conditions all over the world.

For more info please take a look at the following site. www.zelisko.at/