Switching Frequency Derating; Output Frequency Derating - ABB ACS880-37 Hardware Manual

182 Technical data
Installation site altitude
4000 m
13123 ft
3500 m
11429 ft
3000 m
9842 ft
2500 m
8202 ft
2000 m
6562 ft
1500 m
4921 ft
1000 m
3300 ft
+20 °C
+68 °F

Switching frequency derating

Switching frequencies other than default can require output current derating. Contact ABB
for more information.

Output frequency derating

Motor operation above 150 Hz can require type-specific output current derating. Contact
ABB for more information.
+25 °C
+77 °F
Derating factor 1.00
Derating factor 0.95
Derating factor 0.90
Derating factor 0.85
Derating factor 0.80
0.80
0.85
0.90
0.95
1.00
+30 °C +35 °C
+86 °F +95 °F
+40 °C
+104 °F
Ambient temperature