Immunity - Siemens 7SR224 Technical Manual

1.4.3 Immunity

1.4.3.1 Auxiliary DC Supply Variation
Quantity
Allowable superimposed ac component
Allowable breaks/dips in supply
(collapse to zero from nominal voltage)
1.4.3.2 High Frequency Disturbance
IEC 60255-22-1 Class III
Type
Common (longitudinal) mode
Series (transverse) mode
1.4.3.3 Electrostatic Discharge
IEC 60255-22-2 Class IV
Type
Contact discharge
1.4.3.4 Radiated Immunity
IEC 60255-22-3 Class III
Type
80 MHz to 1000 MHz
1.4.3.5 Fast Transients
IEC 60255-22-4 Class IV
Type
5/50 ns 2.5 kHz repetitive
1.4.3.6 Surge Immunity
IEC 60255-22-5
Type
Between all terminals and earth
Between Line to Line
1.4.3.7 Conducted Radio Frequency Interference
IEC 60255-22-6
Type
0.15 to 80 MHz
©2010 Siemens Protection Devices Limited
7SR224 Argus Performance Specification
Value
≤ 12% of DC voltage
≤ 20ms
Level
2.5 kV
1.0 kV
Level
8.0 kV
Level
10 V/m
Level
4kV
Level
4.0 kV
2.0 kV
Level
10 V
Variation
≤ 5 %
Variation
≤ 5 %
Variation
≤ 5 %
Variation
≤ 5 %
Variation
≤ 10 %
Variation
≤ 5 %
Chapter 3 Page 14 of 49