Comfort Panels 
Operating Instructions, 07/2017, A5E36770603-AB 
233 
 
The following table describes symbols that can be added to your SIMATIC device, to its 
packaging or to an enclosed document in addition to the symbols described in the manuals. 
 
 
General danger sign Caution / Attention 
You must following the operating instructions. The operating 
instructions contain information on the type of the potential hazard 
and enable you to identify risks and implement countermeasures.  
ISO 7000 No. 0434B, 
DIN ISO 7000 No. 0434B 
 
Attention, only relevant for modules with Ex approval   
Follow the instructions  ISO 7010 M002 
 
May be installed by qualified electricians only  IEC 60417 No. 6182 
 
Mechanical load for HMI devices   
Connection cables must be designed for the ambient temperature   
EMC-compliant installation   
 
No mounting or pulling & plugging under voltage   
Dangerous electrical voltage for 230V modules  ANSI Z535.2 
 
Protection class III, supply only with protective low voltage 
(SELV/PELV) 
IEC 60417-1-5180  
"Class III equipment"