At Light + Building, DEHN is presenting a range of new and enhanced products designed to offer planners, installers and operators greater flexibility while ensuring high standards compliance. The focus is on solutions for combined lightning and surge protection – from the feed-in point to photovoltaic systems and special applications in existing buildings.
More flexible installation with DEHNguard MD
The new generation of the DEHNguard MD series combines type 2 and type 3 arrester functions with a special focus on simple wiring. The key feature is a double screw terminal that supports both branch and through wiring. This saves on components, frees up space in the distribution board and simplifies retrofitting in existing systems. At the same time, the protection of sensitive end devices is maintained.
Combination arrester without additional backup fuse
With DEHNventil ACI, the manufacturer presents a ready-to-connect combination arrester of types 1, 2 and 3. The integrated ACI (Advanced Circuit Interruption) technology enables standard-compliant use without separate backup fuses. Automatic disconnection mechanisms with visual indicators, flexible module replacement options and a uniform connection cross-section are designed to facilitate installation and maintenance. High short-circuit resistance and extremely short response times address the requirements of high-performance low-voltage main distribution boards.
Photovoltaics: compact and modular
DEHN presents the DEHNcombo modular for PV installations of various sizes. The pluggable type 1+2 solution is designed for efficient planning and installation. Push-in technology and modular expandability – for example, for bundling several DC strings – particularly support applications in open-space systems with central inverters. An integrated status display with remote signalling contact facilitates integration into maintenance and monitoring concepts.
Retrofitting existing systems
Modernisation projects are also a focus. Deep earth electrodes are considered a practical option when structural interventions must be limited. With suitable retrofit kits, DEHN aims to enable fast, standard-compliant implementation in accordance with the relevant DIN and VDE specifications – even in difficult ground conditions or confined spaces.
Insulated down conductor with extended application possibilities
The high-voltage-resistant, insulated HVI light plus cable is designed for projects where defined separation distances must be maintained. Features such as integrated touch protection, reduced requirements for additional potential connections and variants as pre-assembled units or reel goods open up scope for planning and installation – even in sensitive environments.
Safe integration of steel structures
In addition, DEHN presents connection terminals that reliably integrate steel girders, profiles or sheets into lightning protection and equipotential bonding systems. Tested mechanical stability, wide clamping ranges and solutions for contacting even coated surfaces are the focus here.
Infrastructure as the key
With these innovations, DEHN is emphasising that modern surge and lightning protection is increasingly seen as an integral part of holistic safety concepts. In addition to high discharge values, the focus is increasingly on ease of installation, maintainability and adaptability to different building types and energy infrastructures.
For specialist planners and installers, the trade fair presentation thus offers a compact overview of current developments – from new installations to future-proof retrofitting.
