Surge protection for power supply systems
Get to know the Red/Line!
In the "Red/Line" product range, we offer solutions for protecting systems up to 1,000 V AC /1,500 V DC in a wide range of installation types and power classes to protect against surges from atmospheric discharges and switching operations.
Red/Line – because outages of power supply systems are not an option
Surges can endanger electrical and electronic systems – that does not have to be the case. Our protection solutions protect equipment from damage, prevent costly downtimes and ensure maximum safety – whether in industry, in residential buildings or for modern applications such as heat pumps and photovoltaics.
Thanks to decades of experience, a pioneering technological spirit and quality that delivers what it promises, we offer a future-proof portfolio that is always one step ahead of challenges.
Certified, tested and compliant with standards.
Selection guides
The fast and easy way to get the right products. Possible with our selection guides.
Product filter
Quickly find the right surge arrester for power supply system applications.
Discontinued products
Missing an item from the product range for surge protection for power supply systems? Here you will find the products that we have not continued and that have not been replaced by successor products. If there is a successor, you can easily find the product by searching.
International Business
DEHN provides specialized solutions to fulfil the regional different demands (e.g. diverse voltage levels, earthing conditions, standards) of many Power Supply Systems and markets worldwide.
PCB solutions
Compact, powerful and easy-to-integrate micro surge protective devices for modern industrial applications. Soldered directly onto the PCB, easy to integrate.
