Siemens 7SR12 Argus User Manual

7SR11 & 7SR12 Performance Specification
©2017 Siemens Protection Devices Limited Chapter 3 Page 16 of 56
Reversal of DC
Power Supply polarity
Max reversed RV 1minute
24-60 V Dc models:
No operation
80-250 V DC, 115 V AC models:
Normal Operation
1
Universal PSU models
Normal Operation
1
Key:
RV = Residual Voltage Test Value. Two conditions: (a) range voltage low-20% and
(b) range voltage high +20%
1
No effect on relay performance
2
Restart with no mal-operation, loss of data or relay damage
1.5.3.2 High Frequency Disturbance
IEC 60255-22-1
Type Level
Common (longitudinal) mode 2.5 kV
Series (transverse) mode 1.0 kV
1.5.3.3 Electrostatic Discharge
IEC 60255-22-2
Level Variation
With front cover fitted Air discharge Level IV, 15kV
≤ 5 %
With front cover removed for access Air discharge Level III, 8 kV
≤ 5 %
1.5.3.4 Radiated Immunity
IEC 60255-22-3
Type Level
80 MHz to 1000 MHz Sweep 10 V/m
1.4GHz to 2.7GHz Sweep 10V/m
80,160,380,450,900,1850,2150 MHz Spot 10V/m
1.5.3.5 Fast Transients
IEC 60255-22-4 (2002) Class A
Type Level
5/50 ns 2.5 kHz repetitive 4kV
1.5.3.6 Surge Immunity
IEC 60255-22-5; IEC 61000-4-5
Type Level Variation
Analog Inputs:
Line to Earth
4.0 kV
≤ 10%
Case, Aux Power & I/O:
Line to Earth
2.0 kV
≤ 10%

Siemens 7SR12 Argus Specifications

General

Brand	Siemens
Model	7SR12 Argus
Category	Protection Device
Language	English