Dropout time, via circuit-breaker auxiliary-contact
criterion
< 5 ms
Frequency Operating Range
0.9 ≤ f/f
rated
≤ 1.1 According to specified tolerances
10 Hz ≤ f < 0.9 f
rated
1.1 f
rated
< f ≤ 80 Hz
Slightly expanded tolerances
f < 10 Hz
f > 80 Hz
Active
Tolerances
Threshold values, dropout thresholds 2 % of the setting value or 1 % of the rated current
Times 1 % of the setting value or 10 ms
Technical Data
11.4 Circuit-Breaker Failure Protection 1-Pole/3-Pole
566 SIPROTEC 5, Low-Impedance Busbar Protection 7SS85, Manual
C53000-G5040-C019-6, Edition 06.2016
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