Altitude Derating - ABB ACS560 Hardware Manual

142 Technical data
Frame
R3...R8
The output current is calculated by the current given in the rating tables multiplying
by the derating factor (k, as shown in the following figure)
￭

Altitude derating

In altitudes 1000...4000 m (3300...13120 ft) above sea level, the derating is 1% for
every 100 m (330 ft).
The output current is calculated by multiplying the current given in the rating table
by the derating factor k, which for x meters (1000 m <= x <= 4000 m) is:
Temperature
range
0...+40 °C
+32...+104 °F
+40...+50 °C
+104...+122 °F
Frames R0...R2
k
1.00
0.95
0.90
0.85
0.80
-15 °C
...
5 °F
Frames R3...R8
k
1.00
0.95
0.90
0.85
0.80
-15 °C
...
5 °F
Frames R1...R3
k
1.00
0.95
0.90
0.85
0.80
-15 °C
...
5 °F
Action
Derating not required
Derating required
0.95
T
50 °C 55 °C
122 °F 131 °F
40 °C 45 °C
50 °C
104 °F 113 °F
122 °F
50 °C 55 °C
60 °C
122 °F 131 °F
140 °F
0.90
T
0.90
T
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