DEHN protects the information technologie
DEHN protects IT-systems

Search by interface

Easy Choice according to Interface or Signal

This selection chart is only intended for orientation. In practice, there may be other interface parameters. Therefore, we recommend to check whether the electrical parameters are suited for the interface to be protected before using the arrester.

LifeCheck Tests with hand-held test devices

With the practical hand-held testing device, you can soon find out if your protective components have suffered damage due to electrical or thermal loads. You will find the test procedure for arresters with the LifeCheck symbol here.

back to top

Cookie Settings

We use cookies so that we can offer you the best possible website experience. This includes cookies which are necessary for the operation of the website and to manage our corporate commercial objectives, as well as other cookies which are used solely for anonymous statistical purposes, for more comfortable website settings, or for the display of personalised content. You are free to decide which categories you would like to permit. Please note that depending on the settings you choose, the full functionality of the website may no longer be available. Further information can be found in our Privacy Policy.
If you have given your consent for us to set cookies, you can revoke it at any time by clicking on the “Change Cookie Setting” link in the footer of the page.

  • Show details Hide details
    Necessary

    These cookies are necessary to run the core functionalities of this website, e.g. security related functions. With these cookies we can also detect if you want to stay logged into your profile to provide you with fast access to our services after revisiting our website.

    Statistics & Marketing

    In order to continuously improve our website, we anonymously track data for statistical and analytical purposes. With these cookies we can , for example, track the number of visits or the impact of specific pages of our web presence and therefore optimize our content.