2.3
For use in hazardous areas
Unsuitable device for the hazardous area
Explosion hazard
• Only use devices that have been approved for use in the intended hazardous area and
Use outside the permitted voltage limits
Explosion hazard
• Only use the device within the voltage limits specified on the nameplate.
Note
Open the enclosure only in case of maintenance or service
The enclosure must always remain closed during operation.
• Keep the enclosure closed during operation.
• Open the enclosure only for installation or maintenance. Close the enclosure after this
work has been completed.
Devices in explosion-proof design
Compact Operating Instructions, 05/2018, A5E35134047-03
WARNING
are labeled accordingly.
WARNING
Safety instructions
2.3 For use in hazardous areas
15