Siemens 7SR12 Argus User Manual

7SR11 & 7SR12 Performance Specification
©2017 Siemens Protection Devices Limited Chapter 3 Page 10 of 56
1.2.2 AC Analogue Current
Nominal Measuring Range
In
1, 5 A Phase, Earth
80 xIn
1, 5 A SEF
10 xIn
fn
50, 60Hz 47.5 to 52.5Hz and 57 to 63Hz
Note. 1A and 5A nominal inputs are user selectable on each model.
1.2.2.1 Burden
1.2.2.2 Thermal Withstand ENATS48-5
Overload Period
Overload Current
Phase, Earth and SEF
1A 5A
Continuous
3.0 xIn
10 minutes
3.5 xIn
5 minutes
4.0 xIn
3 minutes
5.0 xIn
2 minutes
6.0 xIn
3 seconds 57.7A 202A
2 seconds 70.7A 247A
1 second 100A 350A
1 cycle 700A 2500A
1.2.3 AC Analogue Voltage
Attribute Nominal Operating Range
Vn
40 to 160 Vrms 0 to 200 Vrms
fn
50, 60Hz 47.5 to 52.5Hz and 57 to 63Hz
1.2.3.1 Burden
Attribute Value
AC Burden - 0.02 VA @ 63.5 V , ≤ 0.06 VA @ 110 Vrms
1.2.3.2 Thermal Withstand
Attribute
Value
Overvoltage Withstand (Continuous) 300 Vrms
Attribute
Value - Phase, Earth and SEF
1A 5A
AC Burden ≤ 0.1 VA ≤ 0.3 VA
Input Impedance (typical) 0.05 Ω 0.01 Ω

Siemens 7SR12 Argus Specifications

General

Brand	Siemens
Model	7SR12 Argus
Category	Protection Device
Language	English