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Siemens SINAMICS G130 Operating Instructions Manual Page 32

Cabinet design and emc.
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Cabinet air conditioning
5.2 Ventilation
The opening cross-sections specified in the table refer in each case to one device. If more
than one device is installed in a cabinet, the opening cross-section increases accordingly. If
the required openings cannot be made in the cabinet, the devices must be distributed across
several cabinets, which are separated from each other by means of partitions.
The warm air must be discharged via the top cover/hood or via side openings in the cabinet
at the level of the top of the device. The size of the opening cross-section must also be taken
into account here.
With degrees of protection higher than IP20 and if a hood is used, it may be necessary to
use an "active" hood. An "active" hood contains fans that blow the air current forwards. The
hood is closed, with the exception of the air outlet point.
If you choose an "active" hood, you must ensure that the fans are sufficiently powerful to
prevent air from accumulating in the cabinet. If air accumulates, the cooling capacity is
reduced. This can overheat and destroy the devices. The air capacity of the fans should at
least be equivalent to the device fan data.
Table 5- 2
Volume flow rate, opening cross-sections
Article number
Cooling air requirement
Min. opening cross-
section in cabinet
- Inlet
- Outlet
32
6SL3310-
1GE32-1AAx
1GH28-5AAx
1GH31-0AAx
1GH31-2AAx
1GH31-5AAx
[m³/s]
0.17
[m²]
0.1
[m²]
0.1
Power Module
1GE32-6AAx
1GE33-1AAx
1GE33-8AAx
1GE35-0AAx
1GF31-8AAx
1GF32-2AAx
1GF32-6AAx
1GF33-3AAx
1GF34-1AAx
1GH31-8AAx
1GH32-2AAx
1GH33-6AAx
1GH33-3AAx
0.23
0.36
0.1
0.19
0.1
0.19
1GE36-1AAx
1GE37-5AAx
1GE38-4AAx
1GF34-7AAx
1GF35-8AAx
1GH34-1AAx
1GH34-7AAx
1GH35-8AAx
0.78
0.28
0.28
Cabinet design and EMC
Operating Instructions, 07/2016, A5E00427629A
1GE41-0AAx
1GF37-4AAx
1GF38-1AAx
1GH37-4AAx
1GH38-1AAx
1.48
0.47
0.47

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