ABB ACS560 - Altitude Derating

ActionTemperature
range
Frame
Derating not required0…+40 °C
R3…R8
+32…+104 °F
Derating required+40...+50 °C
+104...+122 °F
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)
  125
Frames R0...R2
Frames R3...R8
Frames R1...R3
T
1.00
0.90
k
0.80
0.85
0.95
0.95
-15 °C
5 °
F
...
50 °C
122 °F
55 °C
131 °F
T
1.00
0.90
k
0.80
0.85
0.95
0.90
-15 °C
5 °
F
...
40 °C
104 °F
45 °C
113 °F
50 °C
122 °F
T
1.00
0.90
k
0.80
0.85
0.95
0.90
-15 °C
5 °
F
...
50 °C
122 °F
55 °C
131 °F
60 °C
140 °F
￭
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:
142 Technical data