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Technical Data
12.7 Overcurrent Protection, Ground
Operate time for 2 ≤ I/I threshold value ≤ 20
Dropout time for 2 ≤ I/threshold value I ≤ 0.90
Influencing Variables for Thresholds
Transient excess pickup in method of measurement =
fundamental component, for τ > 100 ms (with
complete unbalance)
824
5 % of the reference (calculated) value
+2 % current tolerance or 30 ms
5 % of the reference (calculated) value
+2 % current tolerance or 30 ms
< 5 %
SIPROTEC 5, Merging Unit 6MU85, Manual
C53000-G5040-C074-1, Edition 01.2020
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