Siemens PM250 Hardware Installation Manual page 21

Air cooling requirements
Table 3- 1
Frame size
C
D
E
F
Table 3- 2
Power losses of ...
Power Module
Control Unit
Line filter class B
Output reactor
Sine-wave filter
The power losses of the line filter are valid for the following operating conditions:
● Rated input current
● 50 Hz line frequency
The power losses of Power Module, output reactor and sine-wave filter are valid for the
following operating conditions:
● Rated output current
● 50 Hz output frequency
● 4 kHz pulse frequency)
Further information is given in the technical data.
PM250 Power Module
Hardware Installation Manual, 09/2012, A5E01003502B AD
Air cooling requirements for operation with rated power (LO)
HO power rating
5.5 kW ... 11 kW
18.5 kW ... 22 kW
30 kW
30 kW
37 kW
45 kW ... 55 kW
75 kW
Power losses of Power Module components in Watt
Siemens Parts
Required cooling air flow
38 l/s
22 l/s
39 l/s
22 l/s
39 l/s
94 l/s
117 l/s
For Power Module
FSC FSD
240 ... 400 440 ... 720
7.5 ... 15
60 200
120 ... 200 235 ... 190
Installing/Mounting
3.2 Air cooling requirements
80 CFM
47 CFM
83 CFM
47 CFM
83 CFM
200 CFM
250 CFM
FSE FSF
1000 ... 1300 1500 ... 2400
<40
-
200 ... 270 500
305 350 ... 575
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