500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03 81
Installation
12.4 Switchgear earthing
In the case of non-extendable switchgear, the switchgear is connected to the substation
earth through an earthing bolt.
Ö In blocks with up to 4 panels, it is enough to the connect them to the substation
earth once.
Ö In panel groups of more than 4 panels, earth every fifth panel.
Fig. 51: Earthing via earthing point in non-extendable
switchgear on the left or right switchgear side - view
from outside on the right
a
Earthing point
(earthing bolt M12)
Fig. 52: View into cable compartment
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