Horstmann

Manufacturer of Short-circuit and Earth fault indicators since 1945

Dipl. Ing. H. Horstmann GmbH is a 60-year-old company located in Heiligenhaus near Düsseldorf (Germany).
Horstmann’s most sought-after products are short-circuit indicators for underground lines and overhead lines such as:

● Fault Circuit Indicator
● SMART Navigator
● Compass A
● Compass B

Its long experience and the ongoing expansion activities in research and product development made the company recognized today as the leading manufacturer in medium voltage technology not only for short-circuit and earth fault indicators but also for voltage testers and voltage detecting systems, and earthing devices and accessories.