dehn overvoltage protection
Carefully developed for maximum safety
Maximum lightning and surge protection for professional electrical installations: Dehn is a leading supplier in the field of lightning and surge protection. Competent solutions such as robust combination arresters, modular system accessories, and powerful lightning current arresters of types 1–3 reliably protect your installation.
With Dehn, you can rely on quality “Made in Germany” – powerful, compliant with standards, and durable.

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- over 10,000 articles in the shop
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- thousands of satisfied customers

KATHRIN BRANDT
Employee Purchasing from TroisdorfGreat advice and friendly service. I was helped immediately and competently with any questions. Gladly again.

OMAR NASER
Office Manager from Frankfurt a.M.Goods are well packaged and arrive safely, which is important to me. My mail was answered immediately.

RAINER SEIDEL
Master carpenter from WiesbadenHad to replace a lamp, but the same was no longer available. Great advice, found a suitable replacement and delivered it quickly.