Production and development of low voltage protection devices.
Technical and software support
OEZ Technical support
We provide technical support for our products and services. Extensive technical information on products and systems, manuals, manuals and 3D drawings can be found in our product section of the site. In case of further technical questions, contact our technical support staff.
OEZ Software support
Our company systematically updates the software support of its products. The Sichr calculation program and the OEZ Configurator were expanded and updated. You will also find a new version of the OEZ-CAD drawing set and updated databases for design programs. We also did not forget to support e-shops.
OEZ Computational program Sichr 21
Computational program Sichr enables designing and check of line networks TN-C , TN-C-S and IT networks at all usual low-voltage levels. It contains database of protection and switching devices, residual current breakers and surge voltage arresters of OEZ production and open database of transformers and power cables.
New version - April 2021