33KV 35KV 36KV 630A Indoor SF6 Gas Insulated Load Break Switch LBS
Service environment
a) Air temperature
Maximum temperature: +40°C; Minimum temperature:-5°C
b) Humidity
Monthly average humidity 95%; Daily average humidity 90% .
c) Altitude above sea level
Maximum installation altitude: 2500m
d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
e) No frequent violent shake
Technical Parameters
|
No |
Item | Unit | Parameter | |
|
1 |
Rated voltage | kV | 36 | |
| 2 | Rated frequency | Hz |
50 / 60 |
|
|
3 |
Rated current | A | 630 | |
|
4 |
1min Power frequency withstand voltage |
wet |
kV |
95 |
| dry | kV |
110 |
||
|
5 |
Lightning impulse withstand voltage | kV | 185 / 215 | |
|
6 |
Rated short circuit breaking current (peak) | kA | 50 | |
|
7 |
Rated active load and close circuit breaking
current |
A | 50 | |
| 8 | Rated transferring current | A |
1250 |
|
| 9 | Rated short circuit making current (peak) | kA |
50 |
|
|
10 |
Rated cable(line) charging breaking current | A | 50 and 10 | |
| 11 | Cable charge breaking current in earthing fault | A |
20 |
|
|
12 |
Rated withstand current (peak) | kA | 50 | |
| 13 | Short time withstand current (2s) | kA |
20 |
|
| 14 | Mechanism life | times |
2000 |
|








