Safety-relevant symbols
D.2 Safety-related symbols for devices with Ex protection
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ
299
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.
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