Technical Data
4.1 General Device Data
SIPROTEC, 7SC805, Manual
C53000-G1140-C380-1, Release date 05.2014
109
4.1.2
Auxiliary Voltage
Direct Voltage
Alternating Voltage
4.1.3
Binary Inputs and Outputs
Binary Inputs
Power supply via integrated converter
Rated auxiliary direct voltage V
PS
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
Permissible AC ripple voltage, peak to peak, IEC
60255-11
15 % of the auxiliary voltage
Power consumption
7SC805
approx. 5 W (quiescent)
approx. 12 W (ener-
gized)
Bridging time for failure/short circuit, IEC 60255-11
50 ms
HMI (at 5 V)
0.5 W (typical)
1.0 W (maximal)
Power supply via integrated converter
Rated auxiliary alternating voltage V
PS
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 consumption (for AC 115 V/230 V)
< 15 VA
Bridging time for failure/short circuit
100 ms
Variant
Quantity
7SC805
12 (routable)
Range of rated direct voltage
DC 0 V to 300 V
Current consumption, energized (independent of oper-
ating voltage)
approx. 0.4 mA
Pickup time
1)
Response time of binary output after trigger signal from
binary input
approx. 3 ms
approx. 9 ms
Dropout time
Response time of binary output after trigger signal from
binary input
approx. 4 ms
approx. 5 ms
Secured switching thresholds
V high > DC 17 V
V low < DC 12 V
Maximum admissible voltage
DC 300 V
Input pulse suppression
220 V induced above 220 nF at a recovery time
between two switching operations
60 ms
1)
For plants where a high EMC load is expected at the binary inputs, Siemens recommends setting the filtering
time to 5 ms.
