New: Water-Cooled Medium and High Frequency Transformers

With our water-cooled high-frequency transformers (50hHz-150kHz, powers up to 5 MVA), we now offer a solution for industrial applications such as annealing and hardening for a reasonable price / performance ratio.
Find out more here.


Otto Diez Elektromaschinenbau changed to
Desiteck – Diez Energy Solutions GmbH

In spring 2012 Otto Diez Elektromaschinenbau changed into Desiteck GmbH. With this move Manfred Diez set the course for the expansion of the product and service portfolio.

This laid a secure and lasting foundation especially for the development of additional innovative components for power control in industrial plant construction, but also for future expansion of international activities of the technology firm at the foot of the Teck mountain the new structure offers optimised conditions.

Call us to learn more about the advantages of extremely compact, yet highly efficient and precise, power control and the various applications – from borehole temperature control to sterilisation of brackish water!