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 ≤ 90 Hz
Slightly expanded tolerances
f < 10 Hz
f > 90 Hz
Active
Tolerances
Currents 1 % of the setting value or 5 mA (I
rated
= 1 A)
or 25 mA (I
rated
= 5 A), (f
rated
± 10 %)
Voltages 0.5 % of the setting value or 0.5 V
Time delays 1 % of the setting value or 10 ms
Technical Data
12.17 Measuring-Voltage Failure Detection
SIPROTEC 5, Merging Unit 6MU85, Manual 853
C53000-G5040-C074-1, Edition 01.2020