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Safety-related symbols
D.2 Safety-related symbols for devices with Ex protection
134
Symbol
Meaning
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.
Hardware Installation and Operating Manual, 07/2020, A5E50018670-AA
PN/MF Coupler
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