The product realizes three working positions: power making. power breaking and earth. It applies to power system of rated voltage 6- 12kv, 50/60HZ breaking load current over load current and short-circuit current.
Environment condition
- The altitude: under 1000M.
- The ambient temperature: -25℃-+40℃.
- The relative humidity of air: monthly≤90%, daily≤95%.
- Amplitude: Earthquake degree 8.
- Application occasions should free from fire, inflammables, explosives, corrosives and severe vibration.
Technical parameter
|
NO |
Item |
Units |
Technical parameters |
|||
|
1 |
Rated voltage |
kV |
10 |
|||
|
2 |
Maximum working voltage |
kV |
12 |
|||
|
3 |
Rated current |
A |
200 |
400 |
630 |
|
|
4 |
Rated short-time withstand current(4s) |
kA |
6 |
12.5 |
20 |
|
|
5 |
Rated peak withstand current |
kA |
15 |
31.5 |
50 |
|
|
6 |
Rated closed loop breaking current |
A |
200 |
400 |
630 |
|
|
7 |
Rated loading breaking current |
A |
200 |
400 |
630 |
|
|
8 |
Rated loading breaking current (5%) |
A |
10 |
20 |
31.5 |
|
|
9 |
Rated short circuit closing current |
kA |
15 |
31.5 |
50 |
|
|
10 |
Power frequency withstand voltage |
kV |
42(Fracture:48) |
|||
|
Lightning impulse withstand voltage |
75(Fracture:84) |
|||||
|
11 |
Open/close operating torque |
N.m(N) |
90(180) |
100(200) |
||