Dropout time Approx. 32 ms + OOT at 50 Hz
Approx. 27 ms + OOT at 60 Hz
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
Currents I
c
, I
unbal.
Protection-class current transformers
1 % of the setting value or 5 mA (I
rated
= 1 A)
or 25 mA (I
rated
= 5 A), (f
rated
± 10 %)
Currents I
unbal.
Sensitive current transformer
1 % of the setting value or 0.1 mA (I
rated
= 1.6 A)
or 0.5 mA (I
rated
= 8 A), (f
rated
± 10 %)
Time delays 1 % of the setting value or 10 ms
Technical Data
12.25 Current-Unbalance Protection for Capacitors, 3-Phase
SIPROTEC 5, Overcurrent Protection, Manual 1501
C53000-G5040-C017-8, Edition 07.2017