High-power charging (HPC):
Standard-compliant. Safe. Cost-efficient.

The DEHN solutions allow for the permanent operation of fast charging stations even under tough conditions. This protects your customers and their vehicles and ensures their mobility.

In addition, DEHN solutions protect the infrastructure and thus your investments.

The DEHN protection solutions for
high-power charging stations

See the DEHN protection solutions for yourself. You will find an example presentation of our specific solution and all of the products, documents and services associated with it.

If you still have more questions, we are here for you.

DEHN services
for HPC stations

As a planning engineer or operator of charging parks, make use of our range of services:

DEHN products
for High Power Charging

You are ideally set up with us: We offer you a comprehensive, useful and harmonised complete range of products for surge protection, lightning protection and safety equipment concerning high-power charging. For efficient planning, convenient purchasing, seamless installation and ongoing maintenance.



Protects PV power supply systems up to 1,500 V DC: Arrester for high-power charging stations or battery storage systems (POC).

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Modular surge arrester with remote signalling contact für PV power supply systems und battery storage applications.

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Protects spark-gap-based AC interfaces. With remote signalling contact and integrated arrester backup fuse. With ACI technology and remote signalling contact. Can be used without additional backup fuse.

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DEHNguard modular ACI

With ACI technology and remote signalling contact. Can be used without additional backup fuse.

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For protecting the medium-voltage side. Metal oxide arrester for medium-voltage systems up to 51 kV, e.g. in transformer stations.

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DEHNpatch Class E

Universal surge arrester for protecting Ethernet interfaces.

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Modular combined arrester for protecting measuring and control circuits, bus and telecommunication systems.

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DEHNbloc Maxi 1 CI 440 / 760

Single-pole coordinated lightning current arrester, type 1, with integrated arrester backup fuse for 690 V TN and IT systems.

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HVI light Conductor in supporting tube. For safely maintaining separation distances.

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Equipotential bonding bars

Copper design for 8 connections. For connecting to the local earthing system.

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Potential control

Prevent dangerous step and touch voltages; e.g. using tested mesh mats.

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Earth rod

Permanently corrosion-resistant due to StSt (V4A). For setting up earthing systems for down conductors or transformer stations.

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Connection clamps

Permanently corrosion-resistant connection clamps for the cross/parallel connection of earth rods.

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Anti-corrosion tape

For the enclosure of above/underground connections. UV-stabilised.

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Clamp connector

Cross unit for above-ground and underground connections of conductors in a cross and T arrangement.

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Flat bar for use in earthing systems, lightning protection systems and in ring equipotential bonding.

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Tinned copper – for use in lightning protection and earthing systems.

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Rule 1: Disconnect completely

NH fuse puller with sleeve, for actuating NH fuses of sizes 00, 1, 2 and 3.

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Rule 2: Secure against re-connection

Locking element for DIN-rail-mounted devices, 3 modules.

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Rule 3: Verify that the installation is dead

Two-pole SPN voltage detector with phase, rotating field and continuity test.

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Rule 4: Earthing and short-circuiting

Earthing and short-circuiting devices in a robust sheet metal case.

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Rule 5: Covering or insulating

Covering materials and insulated mats for covering adjacent live parts. Nominal voltage up to 1,000 V.

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Rule 3: Verify that the installation is dead

Voltage detector PHE 4 30 S: Nominal voltage range 10–30 kV, 50 Hz.

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Rule 4: Earthing and short-circuiting

Compose an earthing and short-circuiting device quickly and simply online with the EaS configurator.



DEHNcare ArcFit indoor set

Personal protective equipment provides safety in the event of arc faults. For use indoors.

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Pfeffer GmbH

In order to ensure supply reliability and system and operational safety and to meet the normative requirements, including IEC 60364-4-44, clause -443, Pfeffer opts for a tested lightning and surge protection concept from DEHN.

Download Pfeffer reference


If you need more information or another document format, we are ready to help you.

Brochure Properly protected – Safe charging Protection concepts for the charging infrastructure of electric mobility .pdf 2.3 MB
Brochure DEHN protects intelligent power grids Security of supply for today and tomorrow with lightning and surge protection .pdf 3.8 MB
Brochure DEHNguard ME DC Y 950 FM For maximum system and operational safety .pdf 0.3 MB
Brochure  DEHNconcept Planning Service .pdf 1.1 MB
Reference DEHN protects. IPI intelligent transformer substations by Ingenieurbüro Pfeffer .pdf 0.8 MB
Reference DEHN protects. AC coupled and scalable Li-Ion battery storage system "scalebloc" bei INTILION GmbH .pdf 0.8 MB
Reference DEHN protects. Hypercharger DC charging stations by alpitronic GmbH / S.r.l. .pdf 0.8 MB
White paper Electromobility Lightning and surge protection for electromobility .pdf 3.1 MB
White paper Electromobility Earthing and equipotential bonding measures for the charging infrastructure of electric mobility .pdf 1.5 MB
White paper Battery storage systems Lightning and surge protection for battery storage systems .pdf 2.4 MB

Help and support

We are happy to answer any questions you may have on the topic of the e-mobility. 
You can reach your contact person at [email protected].