Siemens SIPROTEC 4 7SD80

General Device Data
Analog Inputs
Current Inputs
Nominal Frequency f
Nom
50 Hz or 60 Hz (adjustable)
Operating range frequency (not dependent on the nominal
frequency)
25 Hz to 70 Hz
Nominal current
Ι
Nom
1 A or 5 A
Ground current, sensitive
Ι
Ns
≤ 1.6· Ι
Nom
linear range
1)
Burden per phase and ground path
- at Ι
Nom
= 1 A
- at Ι
N
= 5 A
-for sensitive ground fault detection at 1 A
- for sensitive ground fault detection at 5 A
≤ 0.05 VA
≤ 0.3 VA
≤ 0.05 VA
≤ 0.3 VA
Load capacity current path
- thermal (rms)
- dynamic (peak value)
500 A for 1 s
150 A for 10 s
20 A continuous
1250 A (half-cycle)
Load capacity input for sensitive ground fault detection Ι
Ns
1)
- thermal (rms)
- dynamic (peak value)
300 A for 1 s
100 A for 10 s
15 A continuous
750 A (half-cycle)
1)
only in models with input for sensitive ground fault detection (see ordering data in the Appendix)
Voltage inputs
Nominal voltage
34 V – 225 V (adjustable) for connection of phase-to-ground voltages
34 V – 200 V (adjustable) for connection of phase-to-phase voltages
Measuring Range 0 V to 200 V
Burden at 100 V approx. 0.005 VA
Overload capacity in the voltage path
– thermal (rms) 230 V continuous
Auxiliary Voltage
DC 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
4.1
4.1.1
4.1.2
Technical Data
4.1 General Device Data
250 SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018