Protecting the power supply

Avoid false tripping of system fuses

The infrastructure in main and system power supplies is protected by proven combined lightning current and surge arresters.

DEHN combined arresters are characterised by a particularly high follow current extinguishing capability and follow current limiting capacity. This avoids false tripping of system fuses that would lead to the disconnection of mobile radio systems. For you, this means particularly high system availability.

Product recommendation

Universally applicable - independent of the feeding grid system

DEHNvap protects the 230/400 V power supply of cell sites.

This combined arrester is universally applicable, independently of the supplying grid system:
All DEHNvap versions reliably protect TT and TN-S systems (3+1 configuration).

DEHNvap NG

Specially developed for mobile communication systems and “ready for 5G”. The pluggable combined arrester for three-phase TT and TNS systems protects the power supply in just 4 modules.

DEHNvap CSP 3P 100 FM

Maximum system availability due to follow current limiting RADAX Flow spark gap technology. Practical: The protection modules can be replaced easily and without tools thanks to the modular design of the arrester.

Technical info

Optimum protection of terminal devices via the Wave Breaker Function

A further advantage: both DEHNvap versions have the Wave Breaker Function (WBF). Arresters with this function reduce the energy of the lightning impulse current to such an extent that downstream terminal devices remain unharmed.

For you this means:

Reliable protection of terminal devices and very high system availability thanks to excellent follow current limitation and a huge reduction of the impulse duration.

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DEHN s.r.o. - Technická podpora

Phone: +420 222 998 880

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