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APPENDIX
– Drive Overload
151
Appendix
Drive Overload Curve
When the drive is running an output frequency of less than or equal to 3 Hertz, the drive will use an
adjusted overload curve. See the graph below for current vs. time.
1
10
100
1000
60%
80%
100%
120%
140%
160%
180%
200%
220%
240%
260%
280%
300%
Ti
m
e
(
sec
)
Current Magnitude (% of Rated)
Drive Overload Timeout
Motor Freq More Than 3Hz at 250% Overload
Motor Freq More Than 3Hz at 200% Overload