ABB ACS880-11 - Deratings; Surrounding Air Temperature Derating, IP21 (UL Type 1)

￭ Deratings
Surrounding air temperature derating, IP21 (UL Type 1)
DeratingTemperature
range
No deratingup to +40 °C
up to +104 °F
Derate 1% for every 1 °C (1.8 °F): Calculate the output by multiplying the current
given in the rating table by the derating factor (k, in the diagram below).
+40 … +55 °C
+104 … +131 °F
T
1.00
0.90
+40 °C
+104 °F
+50 °C
+122 °F
k
+55 °C
+131 °F
0.80
-15 °C
+5°F
…
0.85
0.95
164 Technical data