Environmental Performance; Atmospheric Environment; Electrical Environment And Electromagnetic Compatibility - Siemens 7SR23 DAD Manual

1.4

Environmental Performance

1.4.1

Atmospheric Environment

1.4.1.1 Temperature
IEC 60068-2-1/2
Type
Operating range
Storage range
1.4.1.2 Humidity
IEC 60068-2-78
Type
Operational test
1.4.2

Electrical Environment and Electromagnetic Compatibility

1.4.2.1 Insulation / HV (Dielectric) Withstand
IEC 60255-5,
Type
Between any terminal and earth
Between independent circuits
Across normally open contacts
1.4.2.2 Transient Overvoltage
IEC 60255-5
Type
Between all terminals and earth, or
between any two independent circuits
1.4.2.3 Radiated Radio Frequency (Emissions)
IEC 60255-25,
Type
30 to 230 MHz
230 to 1000 MHz
1.4.2.4 Conducted Radio Frequency (Emissions)
IEC 60255-25,
Type
0.15 to 0.5 MHz
0.5 to 30 MHz
©2013 Siemens Protection Devices Limited
Chapter 3) 7SR23 DAD Performance Specification
Level
-10 C to +55 C
-25 C to +70 C
Level
56 days at 40 C and 93 % relative humidity
Level
2.0 kV AC RMS for 1 min
1.0 kV AC RMS for 1 min
Level
5.0 kV, 1.2/50 s 0.5j
Limits at 10 m open area test site, Quasi-peak
40 dB( V/m)
47 dB( V/m)
Quasi-peak
79 dB( V)
73 dB( V)
Limits
Average
66 dB( V)
60 dB( V)
Chapter 3 Page 11 of 20