Siemens 8DB10 Installation And Operating Instructions Manual page 45

Rated feeder current [A] *
Rated voltage [kV]
Rated lightning impulse withstand voltage
[kV]
Rated short-duration power-frequency
withstand voltage [kV]
Rated functional level [kPa]
Signal "critical functional level"
Min. functional level [kPa]
Signal "pressure too low" [kPa]
Max. functional level [kPa]
Signal "pressure too high" [kPa]
Characteristics of gas
pressure - temperature
864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06
1250
≤ 36
≤ 170
≤ 50 65 / 70
70
40 90
50
50
120
120
Fig. 26: Characteristics of gas pressure as a function
of temperature
The characteristics of the gas pressures as a function of temperature show the behavior of
the SF gas at different gas filling levels depending on the ambient air temperature.
6
Due to the different configurations of the gas compartments, installed switchgear assemblies
may deviate from the above characteristics.
Circuit-breaker/disconnector housing
≥ 1600
40.5
185 190
≤ 70 85 85
120
100
100
180
180
Description
≤ 2500
36 38 40.5
200 200
80 80
① 120 kPa/20 °
② 70 kPa/20 °
45/214
200
80