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. Since that time it has been a successful family- owned company. Due to its long experience and the ongoing expansion
activities in research and development as well as in production facilities Dipl.-Ing. H. Horstmann GmbH is today recognized as the leading manufacturer in medium voltage technology for:
Short-circuit and earth…