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The milestones of our history: groundbreaking

From the founding of the company in 1997, expansion of our production and new company building to numerous awards: together with our staff, we have achieved a lot over the past decades. Discover how we became one of the most innovative companies in Germany's SME sector.


  • Founding of Spaun Schaltnetzteile GmbH

  • Shareholders/founders Friedrich Spaun and Hermann Püthe

  • Started off with 6 employees


  • DIN ISO 9001 certification

  • First international production monitoring: UL, CSA, VDE, etc.

  • Eric Spaun becomes new shareholder


  • Production expansion by 100%

  • In-house testing/manufacturing technology


  • 10th anniversary

  • Move to new business premises

  • Change name to inpotron™ Schaltnetzteile GmbH


  • New logistics/distribution centre


  • Change in shareholding of the company: Eric Spaun (40%), Hermann Püthe (60%)

  • TOP100 award as the most innovative company among German SMEs


  • 20th anniversary TOP100 once again distinguished as one of the most innovative companies among German SMEs


  • TOP-Job award for one of the best employers among German SMEs


  • Awarded IKOM award

  • Once again among the Top100

  • Hermann Püthe “Manager of the Year 2019”

  • Hermann Püthe Chairman of the Transformation & Power Supplies Trade Association


  • TOP-Job award, silver medal for inpotron as the second best employer among German SMEs


  • Another TOP100 award


  • Uwe Auer (right) and Torsten Keinath (left) obtain shares in the company


Let's get to know each other:

inpotron Schaltnetzteile GmbH
Hebelsteinstraße 5
78247 Hilzingen

+49 7731 9757-0

+49 7731 9757-10


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