WEG SSW-08 User Manual - page 15
Manual is about: Soft-Starter
of
55
3
Installation and Connection
10 | SSW-08
Air Flow
Inlet
Air Flow
Outlet
A
B
C
Figure 3.2: Free spaces for ventilation
3.1.3.1 Mounting Inside a Panel
For Soft-Starters SSW-08 installed in panels or closed metallic boxes exhaustion/cooling is
required so the temperature does not exceed the maximum allowed. Refer to dissipated nominal
power in table 3.3.
Table 3.3: Dissipated power for ventilator panel dimensioning
SSW-08
Model
Dissipated
Power
in the
electronics
(W)
Average Power
dissipated
10 starts/h
3 x In @ 20 s
(W)
Total Average
Power
dissipated
10 starts/h
3 x In @ 20 s
(W)
17 A
12
6.8
18.8
24 A
12
9.6
21.6
30 A
12
12
24
45 A
12
18
30
61 A
12
24.4
36.4
85 A
12
34
46
130 A
12
52
64
171 A
12
68.4
80.4
200 A
12
80
92
255 A
36
102
138
312 A
36
125
161
365 A
36
146
182
412 A
36
165
201