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Figure 2: Airways
B
Figure 3: Minimum distances, wall/front
34
AC 1006.9 - 5/03
Chapter 4 - Mounting
4:2.2
Requirements
See Chapter 3 "Description" for environmental requirements.
4:2.3
Minimum distance to wall/front
To ensure a suitable cooling, the softstarter must be mounted vertically
and in such a way that the airways are not blocked, see Figure 2.
Use the table below and Figure 3 for minimum distances between wall/
front of the PST softstarter.
The values are minimum distances.
Softstarter type
PST30...72
PST85...300
A
PST175...300
PSTB370...470
PSTB570...1050
B
A
C
A
B
mm
in
mm
in
100
3.94
10
0.39
100
3.94
10
0.39
100
3.94
10
0.39
150
5.91
15
0.59
150
5.91
15
0.59
C
mm
in
20
0.79
20
0.79
20
0.79
20
0.79
20
0.79
Low Voltage Products & Systems
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