Technical Data
10-28 7SA6 Manual
C53000-G1176-C156
10.7 Weak-Infeed Tripping
Operation method Phase segregated undervoltage detection after reception of a carrier signal from the
remote end
Undervoltage
Detection
Setting value U
PhE
< 2Vto70V (steps1V)
Drop-off to pick-up ratio approx. 1.05
Pick-up tolerances
≤ 5 % of set value or 0.5 V
Times Release delay 0.00 s to 30.00 s (steps 0.01 s)
Release prolongation 0.00 s to 30.00 s (steps 0.01 s)
Time expiry tolerances 1 % of set value or 10 ms
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