Rated voltage
|
36kV
|
17.5kV
|
12kV
|
7.2kV
|
Lightning impulse voltage
|
170kV
|
95kV
|
75kV
|
60kV
|
Power frequency impulse voltage
|
70kV
|
38kV
|
28kV
|
20kV
|
Rated frequency
|
50Hz
|
Rated current
|
630A
|
Rated short-circuit current
|
16kA
|
Rated short-circuit closing current
|
2.5 x Rated short-circuit current
|
Short-circuit time
|
1sec
|
The number of poles first opened
|
1.5
|
Temporary recovery voltage
|
IEC 60265
|
Opening time
|
<1sec
|
Closing time
|
<5sec
|
The number of off on rated short-circuit current
|
At least 5 times
|
Electrical withstand
|
100 times on-off on rated current
|
Mechanical withstand
|
idle at least 1000 on-off
|