Company Profile
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For over five decades the name Rübsamen & Herr stands for reliability and quality „Made in Germany“. What started in 1964 as a small company for electrical control engineering was expanded over the decades into a powerful medium-sized family company, which today is now managed by the next generation of Ralf Uwe Jungfer and Armin Herr. High-quality and innovative products are developed, produced and marked for control cabinet air conditioning. The company services include standard products available from stock as well as customized special solutions. Customers come from a wide range of industries, such as mechanical and plant engineering, telecommunications, medical and laboratory technology as well as transport and energy technology, but also from the promising renewable energy division. Our quality management system is certified according to DIN EN ISO 9001:2015.
Quality and absolute customer focus are our top priority.

The company is located in Neunkirchen / Siegerland, a traditional business location in the middle of Germany, from here we serve our customers "just in time" around the world.

Company Chronicle



Establishment of Rübsamen & Herr OHG in Neunkirchen-Zeppenfeld, Stautenbergstrasse, winding and repair of electric motors


Begin of the manufacture of electrical controls and panels in Zeppenfeld, Frankfurter Strasse


Begin of the manufacture of filter fans for enclosures


Establishment of Rübsamen & Herr Elektrobau GmbH


Production programme extended to include enclosure heaters


Move to the bigger company building in the industrial area "In der Au" in December


Presentation of the newly developed low filter fans for fixing without screws


Certification of our quality management system according to DIN EN ISO 9001


Roof-mounted fan and air vent newly developed


Move to the new building in Wiederstein „Am Scheid“ in January


Product introduction of thermoelectric coolers


Expansion of production in adjacent building

2008 New design and IP 55 solution for filter fans LV
2011 Presentation of the new SM and SF heaters for enclosures series
2012 Upgrading our filterfan product range of filterfans with EC-technology
2013 Certification as „Known Shipper“
2014 50th company anniversary



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