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- Contact Person : Mr. Han Daniel
- Company Name : Ru-Lena Ind. (Holding) Co., Ltd.
- Tel : 86-0411-39852517
- Fax : 86-0411-39852510
- Address : Liaoning,Dalian,1302-1305 Tower B, The Manhattan Tower, No. 101 Youhao Road, Zhongshan Dist.
- Country/Region : China
- Zip : 116001
LW35S-252 SF6 Circuit Breaker
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Main technical Data
No. | Item | Unit | Value | |
1 | Rated voltage | kV | 252 | |
2 | Rated frequency | Hz | 50 | |
3 | Rated current | A | 4000A | |
4 | Rated short-circuit breaking current | kA | 50 | |
5 | Short-line fault breaking current (L90) | kA | 45 | |
6 | Rated short-time withstand current (3s) | kA | 50 | |
7 | Rated peak withstand current | kA | 125 | |
8 | Rated short-circuit making current (peak) | kA | 125 | |
9 | Rated out-of-phase breaking current | kA | 125 | |
10 | Rated line charging breaking current | A | 160 | |
11 | Rated SF6 gas pressure (20) | MPa | 0.6 | |
12 | Resistance of main circuit | μΩ | ≤60 | |
13 | Rated operating sequence |
| 0-0.3s-CO-180s-CO | |
14 | Annual leak rate of SF6 gas | % | ≤0.5 | |
15 | 1 min power-frequency with stand voltage(rms,dry and wet test) | Across the breaker | KV | 460 |
Between poles or pole to earth | 395 | |||
16 | Lightning impulse with stand voltage(peak)(full wave 1.2/50us) | Across the breaker | KV | 1050 |
Between poles or pole to earth | 950 | |||
17 | Total weitht | KG | 4500 | |
18 | Ambient temperature | C | -30~+50 | |
19 | Air pollution class | class | III | |
LW35S-252 SF6 Circuit Breaker
