Installation
6.2 Installing the mounting rail
Automation system
System Manual, 01/2023, A5E03461182-AK
131
4. Connect the opposite end of the grounding cable to the central grounding point/protective
conductor busbar (PE).
Protective conductor (PE)
PE connection element for mounting rail
Figure 6-3 Attaching the protective conductor (protective earth)
Alternative grounding of the mounting rail
Grounding with the grounding screw is not required if the followin
g requirements are met:
The mounting rails must be permanently connected to the protective circuit using an
equivalent fitting that complies with the applicable standards, for example by permanent
attachment to a grounded control cabinet wall.
Note
You can find more information on the exact dimensions of the mounting rails in the appendix
Dimension drawings of the mounting rails (Page 356).
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