Derating Guidelines 123
480V AC
37 30
PowerFlex 70 Power Rating
Derating
ND HP HD HP
480 Volt
0.5 - 7.5 0.33 - 5.0 None
10 7.5
15 10
20 15
25 20
PowerFlex 70 Power Rating
Derating
ND kW HD kW
400 Volt
2 kHz 4 kHz
6 kHz
8 kHz 10 kHz
20
25
30
35
40
45
50
40 50 60 70 80 90 100
% of Rated Continuous Current
Max Ambient Temp (ºC)
2 kHz 4 kHz
6 kHz
8 kHz 10 kHz
20
25
30
35
40
45
50
40 50 60 70 80 90 100
% of Rated Continuous Current
Max Ambient Temp (ºC)
20
25
30
35
40
45
50
40 50 60 70 80 90 100
% of Rated Continuous Current
Max Ambient Temp (ºC)
20
25
30
35
40
45
50
40 50 60 70 80 90 100
% of Rated Continuous Current
Max Ambient Temp (ºC)
20
25
30
35
40
45
50
40 50 60 70 80 90 100
% of Rated Continuous Current
Max Ambient Temp (ºC)