Siemens SINAMICS S120 Equipment Manual page 254

Cooling circuit, coolant properties and protection against condensation
9.1 Cooling circuits
Coolant mixture comprising Antifrogen L and water
The following diagrams show the pressure drop as a function of the volumetric flow rates for
the different SINAMICS S120 water-cooled components when using Antifrogen L.
Figure 9-9 Pressure drop as a function of volumetric flow for Power Module frame size FL, and Motor Module frame size
FXL
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Water-cooled chassis power units for common cooling circuits
Manual, 08/2017, 6SL3097-4AM10-0BP0