Line-side power components 
3.8 Line connection versions 
SINAMICS S120 Combi 
Manual, (GH9), 07/2016, 6SL3097-4AV00-0BP5 
55 
 
Line connection versions 
3.8.1
 
Ways of connecting the line supply 
The following line connection versions are possible: 
● Line connection components to be directly connected to the line supply
● Operating line connection components via an autotransformer
● Operating line connection components via an isolating transformer
Figure 3-9  Overview of line connection versions