Description
Overview
DEHN SE (full name: DEHN SE + Co KG) is a German, family-owned global leader in lightning protection, surge protection, and safety equipment. Founded in 1910 and still 100 % family-owned (5th generation), the company is headquartered in Neumarkt in der Oberpfalz, Bavaria, Germany. With more than 2,400 employees worldwide (2025), subsidiaries in over 70 countries and sales in more than 100 countries, DEHN is considered the gold standard in professional lightning and surge protection.
Key Products & Innovations (2025)
- DEHNventil ACI – world’s first combined arrester with integrated ACI (Advanced Circuit Interruption) technology; extinguishes follow current without backup fuse up to 100 kA.
- HVI Power Conductor – high-voltage-resistant insulated down conductor that allows much shorter separation distances to metal parts → huge cost saver on solar farms and façades.
- DEHNshort – arc-fault protection system that detects and extinguishes arc faults in low-voltage switchgear in < 2 ms.
- DEHNdetect – permanent monitoring of lightning current arresters via IoT.
- DEHNcare APS – market-leading arc-fault protective clothing (up to 100 cal/cm²).
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