DEHN is a specialist in lightning protection, surge protection, earthing and safety equipment. Since 1910, the company has helped keep electrical systems reliable, protecting buildings, technology and people through products, customised protection concepts and expert advice. Its solutions serve a broad range of applications, including homes and industrial buildings, hospitals, data centres, energy generation and storage, electric-vehicle charging, photovoltaic systems, railways, mobile communications and process industries.

DEHN’s product portfolio includes lightning protection and earthing components, surge arresters for electrical, electronic and IT systems, photovoltaic and battery-storage protection, junction boxes, and equipment for safeguarding charging infrastructure. The company also provides personal protective equipment and practical safety solutions for work on electrical systems. Its offerings are designed to support dependable operation, protect against lightning and surge damage, and address industry-specific requirements, including relevant standards and hazardous-area risks.

Alongside products and protection planning, DEHN offers technical guidance, learning resources and seminars through DEHNacademy. The company also shares educational tools, such as its Lightning Protection Guide, helping professionals find information and develop their expertise.