Siemens SINAMICS S120 Manual page 688

Cabinet design and EMC Booksize
12.5 Electrical connection
DC link connections as cross-sectional drawings (view from below)
①
Standard DC link busbar (6 mm)
②
Standard DC link busbar (4 mm)
③
Connecting the DC link busbar to the module using a M4x20 screw
④
Connecting the DC link busbar to the module using a M4x16 screw
⑤
DC link bridge
Figure 12-18 DC link busbar connection using a standard DC link busbar at a 50/100 mm module
①
②
③
④
Figure 12-19 DC link busbar connection using a reinforced DC link busbar at a 50/100 mm module
688
Standard DC link busbar (6 mm)
Reinforced DC link busbar (8 mm)
Connecting the DC link busbar to the module using a M4x20 screw
DC link bridge
Booksize Power Units
Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8