Siemens Sinamics S120 Manual page 122

Power Modules
4.4 Dimension drawing
Dimension drawing for frame size GL
The mandatory cooling clearances are indicated by the dotted line.
Figure 4-5
122
Dimension drawing Power Module, frame size GL. Front view, side view
Liquid-cooled chassis power units
Manual, (GH7), 11/2016, 6SL3097-4AM00-0BP7