Electrical Connection - Siemens SINAMICS S120 Equipment Manual
Chassis liquid cooled power units
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Also See for SINAMICS S120:
- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
- Manual (848 pages)
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4.2.6
Electrical connection
Operating a Basic Line Module from a non-grounded network (IT system)
When the device is operated from a non-grounded system/IT system, the connection bracket
for the interference-suppression capacitor must be removed.
To do so, loosen the two screws ("1" in the figure below) and pull the connection bracket
towards you out of the device.
Figure 4-8
Failing to remove the connection bracket for the noise suppression capacitor on a non-
grounded system/IT system can cause significant damage to the unit.
Chassis Liquid Cooled Power Units
Manual, (GH7), 01/2011, 6SL3097-4AM00-0BP1
Removing the connection bracket for the interference-suppression capacitor
WARNING
Line Modules
4.2 Basic Line Modules
99
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