Rockwell Automation 1336E IMPACT Adjustable Frequency AC Drive User Manual V 1-4.XX - Manual (Page 395)

Derating Guidelines D-5
Figure/
Catalog No.
Derate
Figure/
Catalog No.
Derate
Figure D.16
B125 and
BX150 Figure D.17
B250
Figure D.18
BP300 Figure D.19
BP350
Figure D.20
BP400 Figure D.21
BP450
Figure D.22
B500 Figure D.23
B600
Figure D.24
B700C and
B800C
Standard rating for enclosed drive in 40˚C ambient and open drive in 50˚C ambient.
Derating factor for enclosed drive in ambient between 41˚C and 50˚C.
% of Drive
Rated Amps
Carrier Frequency in kHz
2
80%
95%
85%
75%
90%
100%
4 6
70%
65%
% of Drive
Rated Amps
Carrier Frequency in kHz
3 1 5
80%
95%
85%
75%
90%
100%
2 4 6
70%
65%
60%
% of Drive
Rated Amps
Carrier Frequency in kHz
2
60%
90%
70%
80%
100%
4 6
50%
% of Drive
Rated Amps
Carrier Frequency in kHz
2
60%
90%
70%
80%
100%
4 6
50%
% of Drive
Rated Amps
Carrier Frequency in kHz
2
60%
90%
70%
80%
100%
4 6
50%
% of Drive
Rated Amps
Carrier Frequency in kHz
2
60%
90%
70%
80%
100%
4 6
50%
% of Drive
Rated Amps
Carrier Frequency in kHz
3 1
80%
95%
85%
75%
90%
100%
2 4
70%
65%
% of Drive
Rated Amps
Carrier Frequency in kHz
3 1
80%
95%
85%
75%
90%
100%
2 4
70%
65%
% of Drive
Rated Amps
Carrier Frequency in Hz
1000 0 2000 3000
60%
90%
70%
50%
80%
100%
4000 5000 6000
40%
30%
20%
10%
0%
% of Drive Rating 700 HP
% of Drive Rating 800 HP