Chapter 3: TECHNICAL DATA
Operating Manual FU3AM-03
Page 13 of 30
3.2 Limiting values
UZK (Intermediate circuit voltage)
max. ~ 790 VDC
min. ~ 400 VDC
Heat sink temperature
80°C/(176°F)
Air temperature
70°C/(158°F)
Power loss diagram:
3.3 Reduction of Power
At operating altitudes of more than 1000 m above sea level or ambient temperatures over
40°C/104°F, the output of the converters is to be reduced to correspond to the following fig-
ures.
Reduction of Power in Temperature
Increase
Reduction of Power at Operating Altitudes of more than
1000m
1 0 0 0
2 0 0 0
3 0 0 0
4 0 0 0
5 0 0 0
Temperature in °C
/°F
Operating Altidude in m
Output
Power
in %
Output
Power
in %
1 0 0
8 0
6 0
4 0
2 0
40
/104
50
/102
60
/140
70
/158
1 0 0
8 0
6 0
4 0
2 0
Power loss
(W)
100
20
Output voltage (A)
0
3
4kHz
8kHz
16kHz
Output stage clock frequency
