ABB PST30 Installation And Commissioning Manual page 38

Chapter 4
Mounting
Figure 2: Airways
B
Figure 2: Minimum distances, wall/front
38
4:2.2 Requirements
4:2.3 Minimum distance to wall/front
A
B
A
C
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 2 and the
table below.
The values are minimum distances.
Softstarter type
PST30...72
PST85...300
PST175...300
PSTB370...470
PSTB570...1050
(1mm = 0.0394 in)
A (mm) B (mm)
100 10
100 10
100 10
150 15
150 15
1SFC132003M0201
C (mm)
20
20
20
20
20