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La foudre - comprendre ce phénomène naturel et complexe
Przegląd produktów Red/Line

Red/Line - Ochrona przepięciowa instalacji zasilających

DEHNrecord SD - Netzqualität messen

DEHNrecord SD

When using the DEHNrecord SD, measurements and analyses of all relevant parameters are conducted on one single device. More performance, less effort.
DV M2 TNS

DEHNventil: ten oryginalny.

The compact combined arrester, type 1+2+3, protects against transient overvoltages in low-voltage switchgear and controlgear assemblies. With the practical, compact, single module, you save time during installation and maintenance.
DEHNcord 3P Überspannungsschutz auf kleinstem Raum

DEHNcord 3P

Limited space often makes installation difficult. DEHNcord 3P compact type 2 and type 3 surge arrester meets all relevant standards and offers reliable protection.
DEHN protège les systèmes PV

DEHNcombo YPV

Protects PV systems from lightning and surge damage. It’s suitable for earthed (earthing of DC+ or DC-) and floating systems and can be used up to 10 kA without additional backup fuse.
DEHNguard ME DC Y 950 FM

DEHNguard ME DC Y 950 FM

Protects direct current applications up to 950 V. With DCD technology - in the event of an overload, the DC disconnector safely disconnects the protective device.
ACI

DEHNguard ACI

The switch-spark gap combination in type 2 arrester DEHNguard ACI makes upstream fuses superfluous. As a backup fuse is no longer required, you save time, space and material.
Anwendung ACI

Up to 400/690 V: DEHNguard SE CI 440

For industrial applications with a rated voltage of 400/690 V. Overvoltage protection and backup fuse combined in a single device. This saves space in the switchgear cabinet. Available in 2 versions: Industry and wind turbines.
Poltet dg

DEHNguard M YPV

Type 2 arrester for the DC side. Protects PV system components like inverters and PV modules against overvoltage. Available in 2 versions: ≤ 1170 V and ≤ 1500 V.
DEHNcord

DEHNcord 3P with disconnection function

Small and compact arrester - with full performance! Ideally suited for LED mast lights and wherever an optimal protection solution for restricted space conditions is required.
dehnshield-1200 mit Fernmeldekontakt

DEHNshield with remote signalling contact

The proven space-saving combined arrester DEHNshield is now also available with a floating remote signalling contact. This allows an easy integration and monitoring through your factory master control system.
integrated-short-circuiting-device-vcsd

Voltage-controlled decoupling device VCSD

VCSD 40 IP65 limits long-term, temporary and transient overvoltages. The voltage-controlled short-circuiting device of the decoupling device limits AC voltages to a preset value without negatively affecting the desired DC potential.
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