Times
Pickup time, in the case of an internal start
Pickup time, in the case of an external start
< 1 ms
< 5 ms
Typical dropout time < 15 ms
Dropout time, via circuit-breaker auxiliary-contact
criterion
33
< 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 ≤ 90 Hz
Slightly expanded tolerances
f < 10 Hz
f > 90 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
33
When using transformer connection type 2ph, 2p. CT + IN-sep, slightly expanded tolerances occur
Technical Data
12.3 Circuit-Breaker Failure Protection
SIPROTEC 5, Merging Unit 6MU85, Manual 803
C53000-G5040-C074-1, Edition 01.2020
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