SF6 Insulated Power Distribution Switchgear
SF6 insulated power distribution switchgear is a new generation of high-voltage electrical products designed and developed by our company based on the introduction of advanced technology and the transformation of domestic urban and rural power grids.
Description
SF6 insulated power distribution switchgear is a new generation of high-voltage electrical products designed and developed by our company based on the introduction of advanced technology and the transformation of domestic urban and rural power grids. Strict type test and long-term operation inspection, technical performance indicators are in line with IEC standards.
Environmental conditions
1. Applicable altitude: ≤2000m
2. Temperature: -40℃ ~ +55℃ relative
3. Humidity: daily average ≤95%, monthly average ≤90%
4. Earthquake damage level: ≤8
Technical parameters
| No | Item name | Unit | Parameter | |
1 | Rated voltage | kV | 12 | |
| 2 | Rated lightning impact withstand voltage | Inter-phase and relative | kV | 75 |
| Between break opening | kV | 85 | ||
| 3 | One minute power frequency withstand voltage | Inter-phase and relative | kV | 42 |
| Fracture room | kV | 48 | ||
| 4 | Rated frequency | Hz | 50/60 | |
| 5 | Rated current | Main bus | A | 630 1250 |
| Branch bus | A | 630 | ||
6 | Rated short-time withstand current | Main circuit | kA | 20/4S (25/2S) |
| Ground circuit | kA | 20/4S | ||
| 7 | Rated peak withstand current | kA | 50 63 | |
| 8 | Transfer current | A | 1500 | |
| 9 | Protection level | IP3X | ||
| 10 | Load switch mechanical life | Times | 5000 | |
| 11 | Grounding switch mechanical life | Times | 2000 | |
| 12 | Load switch cabinet | Cabinet width | mm | 375,500,650,750 |
| Cabinet depth | mm | 916,940 | ||
| Cabinet height | mm | 1635,1885 | ||
| 13 | Circuit breaker cabinet | Cabinet width | mm | 650,750 |
| Cabinet depth | mm | 916,940 | ||
| Cabinet height | mm | 1635,1885,2000 | ||
The above parameters are for reference only. We customize and produce SF6 insulated power distribution switchgear for you according to your specific needs.
Application
SF6 insulated power distribution switchgear is suitable for AC 50Hz, 12kV power system, and is widely used in industrial and civil cable ring networks and power supply terminals.
Especially suitable for the following places: urban residential district power distribution, small secondary substations, opening and closing, box-type substations, industrial and mining enterprises, shopping malls, airports, subways, wind power, hospitals, stadiums, railways, tunnels, etc.
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