Rockwell Automation 1336E IMPACT Adjustable Frequency AC Drive User Manual V 1-4.XX - Manual (Page 372)

B-34 Control Block Diagrams
The following is the inverter overload curve for the 460V/800 HP
frame H.
100%
110%
120%
130%
140%
150%
160%
170%
180%
190%
200%
10 100 1000 10000 Seconds to Trip
Percent Rated Inverter Current
Inverter Overload
Inverter Overload Pending
60 second Overload @ 150%
30 second Pending @ 150%
105%
Inverter Overload Curves
30 second Pending @ 135%
60 second Ov er load @ 135%
105%
200%
150%
160%
170%
180%
190%
110%
120%
130%
140%
100%
100 10 1000 10000
Seconds to Trip
P
er
cent Rated In
ver
ter Current
Overload Foldback
Overload Warning
135%
Inverter Overload Curves (H Frame)