4 Product overview
Grounding connections
Installation and Operation Manual M125HV EU V3 EN 2021-07-12
22
4.7
Grounding connections
4.7.1 Grounding screws
Fig. 4.21: Grounding screws on the right foot of the inverter
If the grounding system contains a PE/PEN conductor (TN-C,
TN-S, TN-C-S) and it is contained in the AC cable, use the PE
screw (next to the AC connection screws, seeFig. 4.22) provided
for the purpose. In addition, the inverter housing must always
be grounded via one of the external grounding screws to protect
persons.
Nuts, spring washers, washers, and toothed lock washers are
already mounted on the inverter.
Available grounding screws:
●
1 x M10
●
2 x M6
Related topics
“5.4 Planning the grid connection (AC)”, page 37
“6.5 Grounding the inverter housing”, page 56
4.7.2 PE screw
Fig. 4.22: PE screw inside the inverter
For an IT-type grounding system, the inverter housing must be
connected to ground either via the PE screw of the AC connec-
tion or via one of the external grounding screws (Fig. 4.21).
The screw, spring washer and washer are already mounted on
the inverter.
Available PE screws:
●
1 x M10
Related topics
