ABB PST Series Installation And Commissioning Manual page 34

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See Chapter 3 "Description" for environmental
requirements.
To have a suitable cooling, the softstarter has to be
mounted vertically, and in such a way that the airways are
not blocked, see figure 2.
Follow the minimum distances to wall/front, figure 3 and
the table below.
7KH YDOXHV DUH PLQLPXP GLVWDQFHV
6RIWVWDUWHU W\SH
PST30...72
PST85...300
PST175...300
PSTB370...470
PSTB570...1050
(1mm = 0,0394 in)
$ PP % PP
100 10
100 10
100 10
150 15
150 15
1SFC132003M0201
& PP
20
20
20
20
20