SK 54xE – Users Manual for Frequency Inverters
188 BU 0505 EN-3021
The following points must be complied with to ensure the R
th
:
• The maximum heat sink temperature (T
kk
) of 70°C and the maximum internal temperature of the
control cabinet (T
amb
) of 40°C must not be exceeded. Suitable cooling must be ensured.
• For installation in a control cabinet, the heat distribution must be taken into account, so that the
available cooling area is used to the maximum extent. Through convection, the air on the rear side
of the cooling surface heats the upper area more than the area under the source of heat. The
device should therefore be mounted in the lower area of the control cabinet to achieve optimum
use of the cooling surface.
• The ColdPlate and the mounting plate must lie flat against each other (max.air gap 0.05 mm).
• The contact area of the mounting plate must be at least as large as the area of the ColdPlate
• A suitable heat conducting paste must be applied between the ColdPlate and the mounting plate.
– The heat conducting paste is not included in the scope of delivery!
– First remove any protective film.
– All screw connections must be tightened.
When designing a cooling system the heat to be dissipated by the ColdPlate device, (P
v
-module)
must be taken into account. For the design of the control cabinet the heat production of the device
of approx. 2% of the nominal power must be taken into account.
In case of any further queries, please contact Getriebebau NORD.
Pos: 496 /Anleitungen/ Elektronik/F U und Starter/9. Zusatzinf ormationen [BU 0500 / BU 0200] /!Zusatzinforma tionen (Überschrif t) [SK 1xxE, SK 2xxE] @ 0\mod_13281 83966749_388.doc x @ 14121 @ 1 @ 1
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