ABB PST105, Installation And Commissioning Manual

Page: 38 / 200

Mounting
Chapter 4
38
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4:2.2 Requirements
See Chapter 3 “Description” for environmental requirements.
4:2.3 Minimum distance to wall/front
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 2 and the
table below.
The values are minimum distances.
(1mm = 0.0394 in)
Softstarter type A (mm) B (mm) C (mm)
PST30...72 100 10 20
PST85...300 100 10 20
PST175...300 100 10 20
PSTB370...470 150 15 20
PSTB570...1050 150 15 20
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Figure 2: Airways
A
B B
C
A
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Figure 2: Minimum distances, wall/front