Basic Line Modules
When the unit is operated on an ungrounded system (IT system), the connection clip to the
basic interference suppression module must be removed.
Figure 4-14
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A
Removing the connection clip to the basic interference suppression module in the Basic
Line Module, frame size FB
Electrical installation
4.5 Connections
93