Rockwell Automation SA3100 AC Power Modules - Manual (Page 71)

Technical Specifications A-17
Figure A.28 – Power Modules C/W650
Figure A.29 – Altitude Derating (All Power Modules)
Standard rating for enclosed drive in 40º C ambient and open drive in 50º C ambient.
Derating factor for enclosed drive in ambient temperature between 41º C and 50º C.
100% –
95% –
1 2 3 4
Carrier Frequency in kHz
% of Drive
Rated Amps
90% –
85% –
80% –
75% –
70% –
65% –
60% –
55% –
50% –
100% –
0 1000
(3300)
Altitude
% of Drive
Rated Amps
90% –
80% –
2000
(6600) 3000
(9900) 4000 m
(13,200) (ft)