Technical Data
4.1 General Device Data
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A5, Release date 11.2012
351
4.1.2 Auxiliary voltage
Direct Voltage
Alternating Voltage
4.1.3 Binary Inputs and Outputs
Binary Inputs
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
7SK80 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
Variant Quantity
7SK801/803/805/806 3 (configurable)
7SK802/804 7 (configurable)
Nominal Direct Voltage Range 24 V to 250 V
Current input, energized (independent of the control
voltage)
Approx. 0.4 mA
Pickup time
Response Time of the binary output after trigger
signal via binary input
Approx. 3 ms
approx. 9 ms
Dropout time
Response Time of the binary output after trigger
signal via binary input
Approx. 4 ms
approx. 5 ms
Secured switching thresholds (adjustable)
for nominal voltages 24 to 125 VDC V high > 19 VDC
V low < 10 VDC
for nominal voltages 110 to 250 VDC V high > 88 VDC
V low < 44 VDC
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