Siemens S120 Manual page 171

Remove the connection clip for the interference-suppression capacitor for operation on an
ungrounded line supply / IT supply
If the Power Module is operated from a non-grounded line supply (IT system), the connection
bracket for the interference suppression capacitor of the Power Module must be removed.
The position of the connection clip can be seen in the overviews of the Power Modules.
Note
Warning label on the connection clip
A yellow warning label is attached to each connection clip so that it is easier to find.
• The warning label must removed from the connection clip (by pulling it off) if the
• The warning label must be removed together with the connection clip if the unit is
Figure 4-63
NOTICE
Damage resulting from intact connection clip to interference suppression capacitor
Failure to remove the connection clip for the interference suppression capacitor for a non-
grounded line supply (IT supply system) can cause significant damage to the chassis unit.
• Remove the connection clip to the interference suppression capacitor.
AC Drive
Manual, (GH6), 04/2014, 6SL3097-4AL00-0BP4
connection clip is to remain in the unit (operation on a grounded line supply).
operated on a non-grounded line supply (IT supply system).
Warning label on the connection clip
Power Modules
4.4 Power Modules Chassis
171