124 Technical data
Altitude derating
The inverter load capacity (current and power) decreases if the installation site altitude
exceeds 1000 metres (3300 ft). The derating is 1% for every 100 m (328 ft). For the
maximum installation site altitude, see section Ambient conditions on page 144.
Temperature rating curves
The load capacity (current and power) decreases if the ambient temperature exceeds the
nominal ambient temperature.
Temperature rating of types -0100kW-A and -0250kW-A
In the temperature range +40 °C (+104 °F) to +50 °C (+122 °F), the rated output current is
decreased as shown below.
+30 °C
+86 °F
100
90
80
%
+40 °C
+104 °F
+50 °C
+122 °F
T+55 °C
+131 °F
-15 °C
+5 °F
-5 °C
+41 °F
...
0
...
Nominal ambient temperature
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