Energising Quantities; Auxiliary Power Supply - Siemens Argus 7SR21 Technical Manual

7SR21 & 7SR22 Performance Specification
1.2

Energising Quantities

1.2.1

Auxiliary Power Supply

Nominal
30 V DC, 48 V DC, 110 V DC, 220 V DC 24 V DC to 290 V DC
V 24 V DC to 250 V DC
AUX
100 V AC to 230 V AC
1.2.1.1 Burden (24 V DC to 250 V DC, 100 V AC to 230 V AC) PSU
Attribute
Voltage (V)
Quiescent Relay (inc. PROT HEALTHY LED)
LCD backlight on
Per LED (Red)
Per LED (Yellow)
Per Binary Output
Optional IEC61850
Attribute
Voltage (V)
Quiescent Relay (inc. PROT HEALTHY LED)
LCD backlight on
Per LED (Red)
Per LED (Yellow)
Per Binary Output
Optional IEC61850
1.2.1.2 Burden (30 V DC, 48 V DC, 110 V DC, 220 V DC) PSU
Attribute
Quiescent (typical)
30 V DC
Quiescent (back light)
Quiescent (typical)
48 V DC
Quiescent (back light)
Quiescent (typical)
110 V DC
Quiescent (back light)
Quiescent (typical)
220 V DC
Quiescent (back light)
Unrestricted Page 10 of 68
Operating Range
24 V DC to 290 V DC
88 V AC to 242 V AC
Watts (DC)
24 48 60
6.0 5.8 5.8
1.4 1.3 1.2
0.04 0.03 0.03
0.08 0.06 0.06
0.35 0.3 0.3
2.6 2.5 2.4
VA (AC)
100 110 115
10.0 10.0 10.0
2.5 2.5 2.5
0.06 0.06 0.06
0.10 0.12 0.10
0.6 0.6 0.6
5.0 5.0 5.0
Value
6.0 W
7.0 W
5.5 W
6.5 W
6.5 W
7.5 W
7.5 W
8.5 W
© 2013 Siemens Protection Devices Limited
MLFB Code (column 9)
A, B
M, N
110 125 220 250
5.5 5.5 5.4
1.2 1.2 1.2
0.03 0.03 0.03 0.03
0.06 0.06 0.06 0.06
0.3 0.3 0.28 0.28
2.4 2.4 2.4
120 200 230
10.5 12.0 14.0
2.6 3.0 3.2
0.06 0.06 0.07
0.10 0.10 0.12
0.6 0.6 0.6
5.0 4.5 4.5
5.5
1.2
2.4