Environmental Performance; General; Emissions - Siemens 7SR224 Technical Manual

1.4

Environmental Performance

1.4.1 General

1.4.1.1 Temperature
IEC 60068-2-1/2
Type
Operating range
Storage range
1.4.1.2 Humidity
IEC 60068-2-3
Type
Operational test
1.4.1.3 Transient Overvoltage
IEC 60255-5
Type
Between all M4 terminals and earth, or
between any two independent circuits
1.4.1.4 Insulation
IEC 60255-5
Type
Between any M4 terminal and earth
Between independent circuits
Across normally open contacts
1.4.1.5 IP Ratings
Type
Installed with cover on
Installed with cover removed

1.4.2 Emissions

IEC 60255-25
1.4.2.1 Radiated Radio Frequency
Type
30 to 230 MHz
230 to 10000 MHz
1.4.2.2 Conducted Radio Frequency
Type
0.15 to 0.5 MHz
0.5 to 30 MHz
©2010 Siemens Protection Devices Limited
7SR224 Argus Performance Specification
Level
-10 °C to +55 °C
-25 °C to +70 °C
Level
56 days at 40 °C and 95 % relative humidity
Level
5.0 kV, 1.2/50 μs 0.5j
Level
2.5 kV AC RMS for 1 min
1.0 kV AC RMS for 1 min
Level
IP 50 from front
IP 30 from front
Limits at 10 m, Quasi-peak
40 dB(μV/m)
47 dB(μV/m)
Limits
Quasi-peak
79 dB(μV)
73 dB(μV)
Average
66 dB(μV)
60 dB(μV)
Chapter 3 Page 13 of 49