Overview
HXGN15-12 switchgear is suitable for power systems with an AC frequency of 50Hz and a voltage of 12kV. It is widely used in industrial and residential cable ring networks and power supply terminals.
It is particularly suitable for the following locations: small secondary substations, switch stations, urban residential area distribution, industrial and mining enterprises, shopping malls, airports, subways, wind power plants, hospitals, stadiums, and railways.
Operating Conditions
1. Ambient temperature: -35℃ ~+45℃;
2. Altitude: 1000m;
3. Relative humidity: daily average 95%, monthly average 90%;
4. Seismic resistance: 8 magnitude.
5. Occasions without flammable and explosive matter, without corrosive chemical and frequent severe vibration, without strong shake.
Technical Specification
| Item | Unit | Parameter |
| Rated voltage | kV | 12 |
| Rated frequency | Hz | 50 |
| Main busbar rated current | A | 630/125 |
| Main loop, earthing loop rated short time withstand current | kA/s | 20/3 |
| Main loop, earthing loop rated peak withstand current | kA | 50 |
| Main loop, earthing loop rated short circuit making current | kA | 50 |
| Load break switch full capacity breaking time | Times | 100 |
| Fuse breaking current | kA | 31.5 |
| Rated loop breaking current | A | 630 |
| Rated transfer current | A | 870 |
| Mechanlcal life | Times | 2000 |
| 1min P.F. Withstand (virtral value), phase to phase, earth / across open contacts | kV | 42/48 |
| Lightning impulse withstand voltage (peak) phase to phase, earth / across open contacts | kV | 75/85 |
| Secondary loop 1min P.F. Withstand | kV | 2 |
| Protection degree | IP3X |
