NEW DEHNshield® models with FM contacts
The space saving combined Type 1 and 2 Lightning current and Surge arrester from DEHN is now available with volt free remote auxiliary contacts.
- High lightning current discharge capacity up to 50 kA (10/350 μs) – Fulfills the requirements of BSEN62305 for Lightning protection classes III and IV
- Fulfils the requirements concerning the lightning current discharge capacity as specified in BS7671 of 12.5kA per pole
- Optional volt free remote signalling contact for remote monitoring
- Common green/red operating state/fault indication for status indication of all arrester paths
- Compact lightning equipotential bonding and protection of terminal devices due to spark gap technology
- High follow current extinguishing capability (Ifi = 25 kArms)
- DEHNshield® takes up only 4 standard DIN modules and is ideally suited for installations with restricted space.
Recommended Reading

Commissioning & Reliability
Are building operators owning their systems – or just renting access?
Who really controls a building once it is operational? Chris Timmins of IOTech Systems explores the growing case for open, edge-led systems.
18 September, 2026

Commissioning & Reliability
ABB could have a big role to play in Rolls-Royce's SMR deployment
The exploratory MoU comes as site-specific design advances for the first three planned UK units at Wylfa.
15 September, 2026

Commissioning & Reliability
Can automation help electrical contractors stop delays before they start?
Greg Edge, Managing Director at Edge Electrical Solutions, explores how structured data and automation can help contractors prevent costly delays.
11 September, 2026
