Siemens SINAMICS S120 Manual page 242

Line Modules
5.5 Active Line Modules Chassis-2
Attaching the mounting bracket
First, fasten the mounting bracket to the mounting surface of the control cabinet (1), then to
the fastening points on the Active Line Module (2).
When mounting, ensure that no additional pressure is applied to the rollers of the Active Line
Module by observing the positions of the elongated holes (11 mm x 15 mm).
Tighten the M10 screws to a torque of 50 Nm.
Figure 5-50 Attaching the mounting bracket (diagram showing an example)
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Air-cooled chassis power units
Equipment Manual, 06/2020, 6SL3097-5AE00-0BP3