Your high-performance partner for medium voltage solutions

Dipl. Ing. H. Horstmann GmbH is a medium-sized company based in Heiligenhaus near Düsseldorf (Germany). The company was founded in 1946 by Heinrich Horstmann, and since that time it has been a successful family-owned company. Due to its long experience and continuous investment in research and product development Dipl.-Ing. H. Horstmann GmbH is today recognized as a leading manufacturer in medium voltage technology for:

  • Short-circuit and earth fault indicators
  • Voltage testers and voltage detecting systems
  • Earthing devices and accessories.

Further information

News

Digitalisation in medium voltage

Medium voltage digitalisation makes distribution grids more transparent, efficient and future-proof. 

The future of the medium voltage grid is…

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Netze Solingen: Smart City starts with smart rectifier stations

Horstmann supplies short-circuit and earth fault indicators for diesel-free public transport. Solingen has the largest trolleybus network in Germany.…

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New substation

Good news, today the new substation (630 kVA, 10 kV) was successfully commissioned on schedule.

This substation will supply our new production and…

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Testimonials

Omexom Elektrobau GmbH

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Omexom Elektrobau GmbH

"As provider of customized energy technology solutions for grid connection, we at Omexom plan and build numerous turnkey transformer and transfer stations per year at our plant in Uedem. Here, we also rely on the high-quality solutions from Horstmann, such as voltage testers (Wega series) or short-circuit and ground fault indicators (ComPass B / Sigma D+ series)."

Felix Stenmans, Business Unit Manager

http://www.omexom.de

SAE IT-systems

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SAE IT-systems

"In order to master the exciting tasks of the coming years, we believe that only holistic solutions will lead to the goal. For many years, Horstmann has been one of our strong partners, making a significant contribution with its know-how to our solution concepts for smartification of the networks."

Mr. Callegari, Managing Director Sales

https://www.sae-it.com/en/home.html

Westnetz GmbH

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Westnetz GmbH

"We like to use the high-quality products of Horstmann GmbH in our assets, such as short-circuit and earth fault indicators ComPass or capacitive voltage indicators of the Wega series.

In addition to the product quality, we particularly appreciate the company's customer focus and innovative ability."

Bastian Wölke, Technical Product Manager Medium Voltage Switchgear

Elektrotechnik Eimers

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Elektrotechnik Eimers

"Horstmann GmbH has been a leading supply partner of Elektrotechnik Eimers GmbH for products in the field of short-circuit indicators and voltage testers for more than 20 years. Their products always meet the highest quality standards and the support is excellent."

Axel Eimers, Managing Director

https://eimers.de/de/home/

EWR GmbH

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EWR GmbH

“The very reliable short-circuit indicators from Horstmann have been used in the Remscheid electric power grid for a long time. Together, we are now taking the next step in digitization in the distribution grid. Horstmann has been highly flexible in responding to our wishes and ideas and has developed a new product with us and for us within a very short time.”

 

Frank Aschenbroich, Manager Electric Power Grid

Stadtwerke Lünen

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Stadtwerke Lünen

"During the retrofitting and integration of the ComPass Bs 2.0 in remotely switchable substations, Horstmann was always available to us as a competent partner."

 Rainer Steinkuhl, Stadtwerke Lünen GmbH

 

Elektrotechnische Werke Fritz Driescher & Söhne GmbH

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Elektrotechnische Werke Fritz Driescher & Söhne GmbH

"Dipl.-Ing. H. Horstmann GmbH is one of the most innovative partner companies for Driescher with regard to the increasing requirements for more digitalization in the energy supply business. In addition, Horstmann is aways willing to listen to our concerns and wishes."

Christoph Driescher, CEO

https://www.driescher.de/

Trade fair dates

Many trade fairs will take place in 2022.

 

Innotrans Berlin

20.09. - 23.09.2022

You will find us in hall 22 booth 130

Belektro Berlin

08.11. - 10.11.2022

You will find us in hall 1.2 booth 1409

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