Ambient Temperature Derating, Ip21 - ABB ACS580-01 Hardware Manual

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Ambient temperature derating, IP21

Frame size Temperature
R0...R3 up to +50 °C
up to +122 °F
R4...R9 up to +40 °C
up to +104 °F
+40...+50 °C
+104...+122 °F
The output current is calculated by multiplying the current given in the rating table by
the derating factor (k, in the diagram below).
k
1.00
0.95
0.90
0.85
0.80
...
-15 °C
-59 °F
range
No derating
No derating
Derate 1% for every 1 °C (1.8 °F)
+40 °C +50 °C
+104 °F +122 °F
R0...R3
R4...R9
T
Technical data 137