What would a moment of surge cost you?
Surges caused by a lightning strike or a technical defect can quickly cause extensive damage. People and machines are at risk, and entire systems can break down. At the crucial moment, you need technical solutions that provide reliable protection.
Get advice from our experts.
Our world is becoming increasingly electric.
We need secure power wherever we are. In our new, cutting-edge manufacturing plant and logistics centre in southern Germany, we produce lightning and surge protection for comprehensive protection solutions for the megatrends of our time - from e-mobility and renewables to the protection of critical infrastructure.
Protect your assets now
DEHN delivers
- 23,500 m² logistics centre
- Cutting-edge manufacturing plant in operation since 2023
- Up to 1,500 storage and retrieval operations per hour
- Fastest delivery times thanks to intelligent networking of machines and automated processes

DEHN grows
- Around 2,400 employees worldwide
- Including more than 120 in research, development and quality assurance
- Expanding portfolio with over 4,000 devices and components
- Wide range of products to create a customised solution for your project

DEHN protects
- More than 1,100 patents make DEHN a leading innovator in the field of lightning and surge protection
- External lightning protection and earthing systems
- Efficient surge protection for buildings and systems
- Support with planning your protection concept
Product highlights
With DEHN products, your system is protected when it matters most. You will find comprehensive protection concepts and solutions here. Safe, efficient and standard-compliant. Our experts will be happy to help you select the right products.
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956405
DEHNventil M2 TNS 255 FM
Multipole, spark-gap-based, modular DEHNventil combined arrester type 1 + type 2 + type 3 according to EN 61643-11, consisting of a base part and a plug-in protection module.
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952440
DEHNguard M TNS ACI 275 FM
Multipole DEHNguard M ACI surge arrester type 2 according to EN 61643-11 with integrated ACI switch / spark-gap combination consisting of a base part and plug-in protection modules.
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929161
DEHNpatch class EA
Universal, space-saving combined arrester of 19 mm in width and RJ45 connection system with status indication for simple maintenance.
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927224
BLITZDUCTORconnect ML2 BE 24
Space-saving, modular combined arrester with a width of 6 mm and push-in connection technology with status indication for protecting two single lines sharing a common reference potential as well as unbalanced interfaces.
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941405
DEHNshield TNS 255 FM
Application-optimised multipole type 1 and type 2 DEHNshield spark-gap-based combined lightning current and surge arrester (according to EN 61643-11).
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900901
DEHNcube EMOB 2 16
Junction box DCU EMOB 2 16, type 2 + type 3, in degree of protection IP 65, as per DIN EN IEC 61643-11 and 61439-2, for universal installation upstream of the wallbox.
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900904
DEHNcube EMOB 1 32
Junction box DCU EMOB 1 32, type 1 + type 2, in degree of protection IP 65, as per DIN EN IEC 61643-11 and 61439-2, for universal installation upstream of the wallbox.
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900071
DEHNcombo YPV 1500
Multipole type 1 and type 2 combined lightning current and surge arrester for DEHNcombo YPV photovoltaic generator circuits of type 1 and type 2, according to EN 61643-31 with three-step DC switching device.
We are here for you
We will be happy to answer your questions about lightning and surge protection, help you draw up a protection concept and select the right products with you. Get in touch with our experts now. We will take care of your request.
Contact our customer service