Energising Quantities; Auxiliary Power Supply; Ac Current - Siemens 7SR224 Technical Manual

1.2

Energising Quantities

1.2.1 Auxiliary Power Supply

Nominal
V 30, 48, 110, 220 VDC
AUX
1.2.1.1 Burden
Attribute
30V DC
48V DC
110V DC
220V DC
1.2.2

AC Current

Nominal
In 1, 5 A Phase and earth
fn 50, 60Hz
Note. 1 A and 5 A nominal inputs are user selectable on each model.
1.2.2.1 Burden
Attribute
AC Burden
1.2.2.2 Thermal Withstand
Overload Period
Continuous
10 minutes
5 minutes
3 minutes
2 minutes
3 seconds
2 seconds
1 second
1 cycle
©2010 Siemens Protection Devices Limited
Operating Range
24 to 290 VDC
Value
Quiescent (typical) 6.0 W
Quiescent (back light) 7.0 W
Quiescent (typical) 5.5W
Quiescent (back light) 6.5W
Quiescent (typical) 6.5W
Quiescent (back light) 7.5W
Quiescent (typical) 7.5W
Quiescent (back light) 8.5W
Measuring Range
80 x In
47 to 62Hz
Value - Phase and Earth
7SR224 Argus Performance Specification
1A
≤ 0.1 VA
Overload Current
Phase and Earth
1A
3.0 xIn
3.5 xIn
4.0 xIn
5.0 xIn
6.0 xIn
57.7A
70.7A
100A
700A
5A
≤ 0.3 VA
5A
202A
247A
350A
2500A
Chapter 3 Page 7 of 49