36KV 630A Indoor Gas Insulated SF6 Load Break Switch for RMU Switchgear
Product Description
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
36KV 630A Indoor Gas Insulated SF6 Load Break Switch for RMU Switchgear
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 | |




















