Safety-related symbols
A.2 Safety-related symbols for devices with Ex protection
PROFIBUS bus connector
48 Equipment Manual, 02/2021, A5E50543113-AA
For Zone 2 potentially explosive atmospheres, be aware that the device may only
be used when it is installed in an enclosure with a degree of protection ≥ IP54.
For Zone 22 potentially explosive atmospheres, be aware that the device may only
be used when it is installed in an enclosure with a degree of protection ≥ IP6x.