Equipotential bonding in Ex Areas

Potentialausgleich im Ex-Bereich

It is a fact that you, as the system operator, are responsible for the availability of the system. Potential bonding must be consistently effective. 

In practice, however, conductive parts of the construction or cable tray system are often defined as “equipotential bonding conductors”. These do not guarantee the required safe, consistent and permanently effective electrical connection. Problems soon arise, particularly during structural alterations when, for example, conductive system parts are removed or isolated.

Safety with a system

The tested and certified system solution by DEHN ensures consistent equipotential bonding. It serves to set up a ring or parallel equipotential bonding for assembly on a cable tray system.

Conductive system parts and electrical equipment like power units, motors, field devices or sensors can be effortlessly integrated in the equipotential bonding. Human life and equipment is protected and the risk of a potential source of ignition minimised.

There is just one tested system for several disturbance variables (AC, DC). This gives you, as the operator, far greater legal certainty*.


For cable trays:

For cable trays

For cable baskets:

For cable baskets


Your advantages at a glance:

  • Easy assembly, simple retrofitting
  • Clear documentation, labelling, traceability
  • Meets the requirements of IEC 60364-4-41 / 5-54 (VDE 0165-1)
  • Compatible with commonplace cable tray systems
  • Simple trouble shooting
  • Time-saving inspection, service and maintenance


Interested in finding out more?

We look forward to receiving your call under 0049 9181 906-1740.

E-mail: itss@dehn.de


*German ordinance on industrial safety and health, German ordinance on hazardous goods