Siemens Sinamics S120 Manual page 211

Help with the mechanical control cabinet design is available from:
Siemens AG
Industry Sector, IA DT MC MF - WKC AS
TCCCC (Technical Competence Center Cabinets Chemnitz)
Postfach 1124
09070 Chemnitz, Germany
e-mail: cc.cabinetcooling.aud@siemens.com
Properties of the heat sink
We recommend using AlMgSi 0.5 as the heat sink material.
The roughness of the external heat sink surface should be at least Rz 16. The contact
surface between the heat sink and cold plate should have an evenness of 0.2 mm
(applicable to a height of 450 mm and a width of 300 mm).
Note
Machine manufacturers can adapt the heat sink version to their special requirements. The
specified rated data for the Line Modules can only be achieved if the power losses can be
dissipated by the external heat sink under the specified general conditions.
NOTICE
Damage to the cold plate caused by incorrect mounting
The screw bolts can be damaged when mounting the cold plate.
• Do not damage the cold plate.
Booksize Power Units
Manual, (GH2), 04/2014, 6SL3097-4AC00-0BP6
Line Modules Booksize
4.4 Active Line Modules with cold plate
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