Siemens siprotec 7SA6, Manual

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Technical Data
10-2
7SA6 Manual
C53000-G1176-C156
10.1 General Device Data
10.1.1 Analog Inputs
Nominal frequency f
N
50 Hz or 60 Hz(adjustable)
Current Inputs Nominal current I
N
1 A or 5 A
Power consumption
per phase and earth path
– at I
N
= 1 A approx. 0.05 VA
– at I
N
= 5 A approx. 0.3 VA
– Sensitive earth fault detection at 1 A approx. 0.05 VA
Current overload capability per input
– thermal (rms)
500 A for 1 s
150 A for 10 s
20 A continuous
– dynamic (pulse) 1250 A (half cycle)
Current overload capability
for sensitive earth current input
– thermal (rms)
300 A for 1 s
100 A for 10 s
15 A continuous
– dynamic (pulse) 750 A (half cycle)
Voltage Inputs Nominal voltage U
N
80 V to 125 V (adjustable)
Power consumption per phase at 100 V
≤
0.1 VA
Overload capability per phase
– thermal (rms)
230 V continuous
Analog Output
(for Measured
Values and
Fault Location) Range 0 to 24 mA–
– Connection for flush mounting
housing rear panel, mounting location „B“ or/and „D“
9-pin D-subminiture female connector
for surface mounting housing on case bottom or/and on case top
– max. load impedance 350
Ω
10.1.2 Power Supply
Direct Voltage Voltage supply via integrated DC/DC converter:
Nominal power supply
direct voltage U
N DC
24/48 VDC 60/110/125 VDC 110/125/220/
250 VDC
Permissible voltage ranges 19 to 58 VDC 48 to 150 VDC 88 to 300 VDC