Electrical Connection - Siemens SINAMICS S120 Equipment Manual

Line Modules
4.2 Basic Line Modules
4.2.6

Electrical connection

Operating a Basic Line Module on an insulated network (IT)
When the device is operated on an insulated network (IT), the connection bracket for the
interference-suppression capacitor must be removed.
To do so, loosen the two screws ("1" in Fig. 4-8) and pull the connection bracket out of the
device.
Fig. 4-8
Warning
Failing to remove the connection bracket for the interference-suppression capacitor on a
non-grounded system/IT system can cause significant damage to the unit.
4-14
Removing the connection bracket for the interference-suppression capacitor
SINAMICS S120 Equipment Manual, Edition 12/2007, 6SL3097-2AM00-0BP4
Chassis Power Units Liquid Cooled