Siemens SINAMICS S120 Equipment Manual page 309

Note
Tolerances for holes tapped in the rear mounting panel
If the specified tolerances for the threaded holes of the rear mounting panel of the control
cabinet cannot be adhered to, then compensating fastening elements should be used to
facilitate screwing in the Motor Module.
Top view of the control cabinet mounting surface
①
②
Figure 7-7
Air-cooled chassis power units
Manual, 07/2019, 6SL3097-4AE00-0BP9
Side panel of the control cabinet
Rear mounting panel
Installation top view
Motor Modules Chassis-2
7.5 Installation
307