Siemens Siprotec 7UM611 Manual page 344

4 Technical Data
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344
the thermal replica registers cooling-down
a pickup – if already present – is maintained
a pick -up – if already present – is maintained, if the measured voltage is not too small
25 Hz < f/Hz ≤ 40 Hz
The function is only active at rated frequency ± 3 Hz
7UM61 Manual
C53000-G1176-C127-3