|
No.
|
Item
|
Unit
|
Data
|
|
1
|
Rated voltage
|
kV
|
12/24
|
|
2
|
Rated insulation
level
|
Power frequency
|
kV
|
Across open contacts:49,phase to phase, phase to earth:42
|
|
3
|
Wet withstand voltage
|
kV
|
Phase to phase, phase to earth:34/50
|
|
4
|
Impulse withstand voltage
|
kV
|
Across open contacts:85,phase to phase, phase to earth:75
|
|
5
|
Rated power frequency
|
Hz
|
50/60
|
|
6
|
Rated current
|
A
|
630
|
|
7
|
Rated active load breaking current
|
A
|
630
|
Breaking 100 times
|
|
8
|
Rated loop breaking current
|
A
|
630
|
Breaking 10 times
|
|
9
|
5% rated active load breaking current
|
A
|
31.5
|
Breaking 20 times
|
|
10
|
Rated cable charging current
|
A
|
10
|
Breaking 20 times
|
|
11
|
Rated short-circuit making current(peak)
|
kA
|
50
|
Making 5 times
|
|
12
|
Rated short-time withstand current(4s)
|
kA
|
20
|
|
13
|
Rated peak withstand current
|
kA
|
50
|
|
14
|
Rated SF6 pressure
|
Mpa
|
0.12
|
|
15
|
Rated SF6 yearly gas leakage rate
|
|
≤1%
|
