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Technical Data
4.1 General Device Data
4.1
General Device Data
Analog Inputs
4.1.1
Current Inputs
Nominal Frequency
Operating range frequency (not dependent on the nominal
frequency)
Nominal current
Ground current, sensitive
Burden per phase and ground path
- at Ι
= 1 A
Nom
- at Ι
= 5 A
N
-for sensitive ground fault detection at 1 A
- for sensitive ground fault detection at 5 A
Load capacity current path
- thermal (rms)
- dynamic (peak value)
Load capacity input for sensitive ground fault detection Ι
- thermal (rms)
- dynamic (peak value)
1)
only in models with input for sensitive ground fault detection (see ordering data in the Appendix)
Voltage inputs
Nominal voltage
Measuring Range
Burden
Overload capacity in the voltage path
– thermal (rms)
4.1.2
Auxiliary Voltage
DC Voltage
Voltage supply via an integrated converter
Nominal auxiliary DC voltage V
Permissible voltage ranges
Overvoltage category, IEC 60255-27
AC ripple voltage peak to peak, IEC 60255-11
Power input
7SD80
250
34 V – 225 V (adjustable) for connection of phase-to-ground voltages
34 V – 200 V (adjustable) for connection of phase-to-phase voltages
0 V to 200 V
at 100 V
approx. 0.005 VA
230 V continuous
DC 24 V to 48 V
Aux
DC 19 V to 60 V
III
15 % of auxiliary voltage
Quiescent
approx. 5 W
f
50 Hz or 60 Hz
Nom
25 Hz to 70 Hz
1 A or 5 A
Ι
Nom
Ι
≤ 1.6· Ι
linear range
Ns
Nom
≤ 0.05 VA
≤ 0.3 VA
≤ 0.05 VA
≤ 0.3 VA
500 A for 1 s
150 A for 10 s
20 A continuous
1250 A (half-cycle)
1)
Ns
300 A for 1 s
100 A for 10 s
15 A continuous
750 A (half-cycle)
E50417-G1100-C474-A2, Edition 02.2018
(adjustable)
1)
DC 60 V to 250 V
DC 48 V to 300 V
Energized
approx 12 W
SIPROTEC 4, 7SD80, Manual
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