5
vacon • 56
Installation
Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205
Figure 35. Cooling airflow for the FI13 unit
Table 22. Power losses and required cooling air for the Active Front End units
Type
Heat dissipation
(W)
Cooling air required
(m
3
/h)
Minimum air holes on
switchgear (input and output)
(mm
2
)
NXA_0261 5
NXA_0170 6
3540
3320
1150
50000
NXA_0460 5
NXA_0325 6
6160
6070
1400
60000
NXA_1300 5
NXA_1030 6
17920
19050
4200
180000
Summary of Contents for NX Active Front End
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