Siemens Sinamics S120 Manual page 84

Accessories
4.2 Reinforced DC link busbars
3. Install the other reinforced DC link busbars,
and attach these at the right-hand side of all of
the remaining components.
Finally tighten the screws to a torque of 1.8 Nm +
30 %.
Note
To connect the 24 V busbars of the individual components, use the 24 V connectors
provided in the terminal kit.
Removing the reinforced DC link busbars
If it is necessary to replace the reinforced DC link busbars by the original DC link busbars,
then to install them, use the original M3 screws and tighten them with a tightening torque of
1.2 Nm (Torx 10).
See also Chapter "Removing DC link busbars" (Page 81).
84
Result: View of installed reinforced DC link bus-
bars with the 24 V connectors
Power Units in Booksize C/D-Type Format
Manual, 01/2017, 6SL3097-4AC20-0BP1