Symbol
Meaning
Only for industrial applications and indoor areas (control cabinet)
Install in control cabinet only
Devices approved for Ex Zone 2 in a control cabinet with min. IP54
Devices approved for Ex Zone 22 in a control cabinet with min. IP6x
IFP Basic
Operating Instructions, 03/2019, A5E46178354 - AB
Markings and symbols
B.1 Safety-relevant symbols
Reference
71