Rockwell Automation 1336E IMPACT Adjustable Frequency AC Drive User Manual V 1-4.XX - Manual (Page 394)

D-4 Derating Guidelines
Figure/Catalog Number Derate
Figure D.11
B015
Figure D.12
B025
Figure D.13
BX040
Figure D.14
B075
Figure D.15
B100
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
3 1 5 7
80%
95%
85%
75%
90%
100%
2 4 6 9 11 8 10 12
70%
65%
% of Drive
Rated Amps
Carrier Frequency in kHz
3 1 5 7
80%
95%
85%
75%
90%
100%
2 4 6 9 11 8 10 12
70%
65%
60%
55%
% of Drive
Rated Amps
Carrier Frequency in kHz
3 1 5 7
80%
95%
85%
75%
90%
100%
2 4 6 9 11 8 10 12
70%
65%
% of Drive
Rated Amps
Carrier Frequency in kHz
2
92%
98%
94%
96%
100%
4 6
90%
% of Drive
Rated Amps
Carrier Frequency in kHz
2
80%
95%
85%
75%
90%
100%
4 6
70%
65%