DEHN is a global leader in lightning and surge protection for low-voltage power systems, measurement and control, instrumentation, communications, and IT. With over 100 years of expertise, DEHN has significantly advanced Surge Protective Device (SPD) technology through dedicated R&D and contributions to technical organizations worldwide.
DEHN’s SPDs, also known as TVSS, are primarily modular DIN rail-mounted devices designed to handle lightning currents (10/350 µsec) and surge currents (8/20 µsec). These transient voltage surge suppressors are suitable for various conductor configurations, including single and paired conductors, coaxial cables, and protocols such as 4-20 mA loop, Ethernet, CAT 5 & 6, RS 485, and Fieldbus Foundation.
DEHN also offers earthing products and devices for hazardous locations, including Class 1/Div 1 & 2 arresters with CSA, ATEX, and Ex approvals, ideal for the petrochemical industry and other process control environments. Their extensive SPD product line includes spark gaps for isolated flanges and lightning and surge arresters for cathodic protection systems.
Ensuring the reliable protection of people, buildings, and electrical systems against lightning and surges is DEHN’s top priority. Their expertise, dedication, and pioneering spirit have driven advancements in surge protection, lightning protection, and safety equipment for decades, establishing DEHN as a trusted expert.
DEHN also manufactures personal safety equipment for electricians and linemen, including Arc Flash PPE, voltage detectors, earthing cables, and clamps, designed for use up to 420 kV. Based in Neumarkt, Germany, DEHN is a family-owned company addressing modern megatrends like e-mobility, renewables, and critical infrastructure protection. With over 1,100 patents, DEHN is a leading innovator in its field, protecting people, buildings, systems, telecommunications technology, process industries, photovoltaic systems, and wind turbines.
Employing over 2,400 people worldwide, DEHN achieved around 460 million euros in revenue for the fiscal year 2022/2023. Their growth and success are built on over 110 years of experience, high-quality standards, and a strong customer and market orientation.
