Siemens siprotec 7SD5

4 Technical Data
520
7SD5 Manual
C53000-G1176-C169-1
4.1.2 Auxiliary voltage
DC voltage
AC voltage
4.1.3 Binary Inputs and Outputs
Binary Inputs
Voltage supply via integrated converter
Nominal auxiliary voltage DC U
AUX
24/48 VDC 60/110/125 V
DC
110/125/
220/250 VDC
220/250 VDC
Admissible voltage ranges 19 to 58 VDC 48 to 150 VDC 88 to 300 VDC 176 to
300 VDC
Permissible AC ripple voltage,
Peak to peak, IEC 60255-11
≤15 % of the nominal auxiliary voltage
Power input
- Quiescent Approx. 5 W
- Energized 7SD5***-*A/E/J Approx. 12 W
7SD5***-*C/G/L/N/Q/S Approx. 15 W
7SD5***-*D/H/M/P/R/T Approx. 18 W
Plus approx. 1.5 W per interface module
Bridging time for failure/short-circuit of the power
supply, IEC 60255-11
≥ 50 ms at U
Aux
= 48 V and U
Aux
≥ 110 V
≥ 20 ms at U
Aux
= 24 V and U
Aux
≥ 60 V
Voltage supply via integrated converter
Nominal auxiliary voltage AC U
AUX
115 VAC
Admissible voltage ranges 92 to 132 VAC
Power input
- Quiescent Approx. 7 VA
- Energized 7SD5***-*A/E/J Approx. 17 VA
7SD5***-*C/G/L/N/Q/S Approx. 20 VA
7SD5***-*D/H/M/P/R/T Approx. 23 VA
plus approx. 1.5 VA per interface module
Bridging time for failure/short circuit of alternating
auxiliary voltage
≥ 50 ms
Variants Number
7SD5***-*A/E/J 8 (configurable)
7SD5***-*C/G/L/N/Q/S 16 (configurable)
7SD5***-*D/H/M/P/R/T 24 (configurable)
Nominal voltage range 24 VDC to 250 VDC, in 3 ranges, bipolar
Pickup threshold Adjustable with jumpers
- For nominal voltages 24/48 VDC
60/110/125 VDC
U
high
≥ 19 VDC (pu =
pickup)
U
low
≤ 10 VDC
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