Siemens SIPROTEC 4 7SD80 Manual page 280

Technical Data
4.11 Voltage Protection (Optional)
Undervoltage V <
1
Delay T
V1<
Dropout ratio
Current criterion
Pickup time
Dropout time
Tolerances
280
1.0 V to 100.0 V
0.00 s to 100.00 s; ∞
1.01 to 1.20
can be switched on/off
approx. 40 ms
approx. 35 ms
Voltages 3 % of setting value or 1 V
Times 1 % of setting value or 10 ms
Increments 0.1 V
Increments 0.01 s
Increments 0.01
SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018