Siemens SINAMICS S120 Manual page 145

Figure 5-9
NOTICE
Damage to the device through not removing the connection clip with a non-grounded
line supply
Failure to remove the connection clip to the basic interference suppression module on a
non-grounded line supply (IT system) can cause significant damage to the device.
• With a non-grounded line supply (IT system), remove the connection clip to the basic
Air-cooled chassis power units
Equipment Manual, 06/2020, 6SL3097-5AE00-0BP3
Removing the connection clip to the basic interference suppression module in the Basic
Line Module, frame sizes GB, GD
interference suppression module.
Line Modules
5.2 Basic Line Modules
143