Current-Jump Detection
Times
Pickup time
Approx. 10 ms + OOT
71
at 50 Hz
Approx. 8 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 ≤ 90 Hz
Slightly expanded tolerances
f < 10 Hz
f > 90 Hz
Inactive
Tolerances
Currents 3 % of setting value or 10 mA (I
rated
= 1 A) or
50 mA (I
rated
= 5 A), (f
rated
± 10 %)
for amplitude changes of sinusoidal measurands
Pulse time 1 % of the setting value or 10 ms
12.15
71
OOT (Output Operating Time) additional delay of the output medium used, for example 5 ms with fast relays
Technical Data
12.15 Current-Jump Detection
850 SIPROTEC 5, Merging Unit 6MU85, Manual
C53000-G5040-C074-1, Edition 01.2020
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