ABB ACS580 Series - Switching Frequency Derating by Derating Factor

1500 m
1000 m
+25 °C +30 °C
+77 °F +86 °F
+40 °C
+104 °F
+35 °C
+95 °F
+20 °C
+68 °F
3300 ft
4921 ft
2000 m
6562 ft
2500 m
8202 ft
3000 m
9842 ft
3500 m
11429 ft
4000 m
13123 ft
1.00
0.95
0.85
0.90
0.80
Derating factor 1.00
Derating factor 0.95
Derating factor 0.90
Derating factor 0.85
Derating factor 0.80
Note: Check the supply network compatibility restrictions above 2000 m (6562
ft), see Installation site altitude (page 350). Check also PELV limitation on relay
output terminals above 2000 m (6562 ft), see sections Isolation areas (page 230)
for frames R1…R5 and Isolation areas (page 234) for frames R6…R9.
Switching frequency derating by derating factor
The output current is calculated by multiplying the current given in the rating table
by the derating factor given in the table below.
Note: If you change the minimum switching frequency with parameter 97.02, derate
according to the table below. Changing parameter 97.01 does not require derating.
Technical data 283