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- Contact Person : Mr. Jin Yankai
- Company Name : China-East Resources Import And Export Company
- Tel : 0086-010-63317821
- Fax : 0086-010-63317844
- Address : Beijing,Beijing,Machinery Mansion, No.248, Guanganmenwai Street, Xuanwu District, Beijing 100055, China
- Country/Region : China
- Zip : 100055
ZHW1-252 GIS switchgear
Product Detailed
Related Categories:Switching Power Supply
Detailed Product Description
Technical data
| No. | Item | Unit | Data | ||||
| 1 | Rated voltage | kV | 252 | ||||
| 2 | Rated frequency | Hz | 50 | ||||
| 3 | Rated current | A | 3150 | ||||
| 4 | Rated short time withstanding current | kA | 50 | ||||
| 5 | Rated peak withstand current | kA | 125 | ||||
| 6 | Rated duration of short circuit | S | 3 | ||||
| 7 | Rated insulation level | Rated power frequency withstanding voltage(rms), 1min | To earth | kV | 395 | ||
| Across break | 395+146 | ||||||
| Betwneen phases | 395+146 | ||||||
| Rated lightning impulse withstanding voltage, 1.2/50μs(peak) | To earth | kV | 950 | ||||
| Across break | 950+206 | ||||||
| Betwneen phases | 950+206 | ||||||
| 8 | Rated SF6 gas pressure (20, by volum) | Gas component of CB, Gas component of 3 operating position composite DS/earthing switch | MPa | 0.60 | |||
| Gas component of 5 perating position composite DS/earthing switch | 0.4 | ||||||
| 9 | SF6 leakage rate | % | 1 | ||||
| 10 | Mechanical endurance | Circuit breaker | time | 3000 | |||
| Mult-operating position composite DS/earthing switch | 2000 | ||||||
| 3 operating position motor operating mechanism | 4000 | ||||||
| 5 operating position motor operating mechanism | 6000 | ||||||
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