34 Low Voltage Products & Systems
AC 1006.9 - 5/03 ABB Inc. • 888-385-1221 • www.abb-control.com
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.
A
B B
C
A
1SFC132045F0001
Figure 2: Airways
Figure 3: Minimum distances, wall/front
mm in mm in mm in
PST30...72 100 3.94 10 0.39 20 0.79
PST85...300 100 3.94 10 0.39 20 0.79
PST175...300 100 3.94 10 0.39 20 0.79
PSTB370...470 150 5.91 15 0.59 20 0.79
PSTB570...1050 150 5.91 15 0.59 20 0.79
ABC
Softstarter type
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