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7SJ63 Manual
C53000-G1140-C120-1
relay element then approximates the curve using linear interpolation.
When utilizing user specified time-current curves, the reset curve may user specified
as well. This is advantageous when the inverse time, time-overcurrent protection must
be coordinated with conventional electromechanical overcurrent relays located toward
the source. If user specified reset curves are not utilized, the relay element drops out
when current decreases to about 95 % of the relay element's pickup value, and imme-
diate reset takes place.
Functions
6-23
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