Technical Data
4.1 General Device Data
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
283
4.1.2 Auxiliary Voltage
DC Voltage
AC Voltage
Voltage supply via an integrated converter
Nominal auxiliary DC voltage V
Aux
DC 24 V to 48 V DC 60 V to 250 V
Permissible voltage ranges DC 19 V to 60 V DC 48 V to 300 V
Overvoltage category, IEC 60255-27 III
AC ripple voltage peak to peak, IEC 60255-11 15 % of auxiliary voltage
Power input Quiescent Energized
7SD80 approx. 5 W approx. 12 W
Bridging time for failure/short-circuit, IEC 60255–
11
≥ 50 ms at V ≥ 110 V
≥ 10 ms at V < 110 V
Voltage supply via an integrated converter
Nominal auxiliary AC voltage V
H
AC 115 V AC 230 V
Permissible voltage ranges AC 92 V to 132 V AC 184 V to 265 V
Overvoltage category, IEC 60255-27 III
Power input (at 115 VAC / 230 VAC) < 15 VA
Bridging time for failure/short-circuit ≥ 10 ms at V = 115 V / 230 V
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