General
The GIS circuit breaker is used for gas insulated switchgear, uses splint structure. Its easy to install, reliable breaking performance, long mechanical life and no maintenance. It is substitute for vacuum circuit breaker used in inflatable cabinet. The product performance met standard of GB1984-2014 <High Voltage AC Circuit Breaker> E2-M2-C2 circuit breaker requirement.
Technical parameter
| No. | Item | Unit | Data |
| 1 | Rated voltage | kV | 12 |
| 2 | Rated Frequency | Hz | 50 |
| 3 | Rated Current | A | 630 |
| 4 | Rated Short Time Withstand Current | kA | 20/25 |
| 5 | Rated Peak Withstand Current | kA | 50 |
| 6 | Rated Short Circuit Duration | s | 4 |
| 7 | Rated Short Circuit Making Current | kA | 50 |
| 8 | Operation Time | Times | 10000 |
| 9 | Main circuit resistance | μΩ | ≤60 |
| 10 | 1min power frequency withstand voltage | kV | 38(in air) |
Use of environmental conditions
1.The altitude should not exceed 2000m and the seismic rift should not exceed 8 degrees;
2.The ambient temperature of the product is -30°C ~ +40°C, the relative humidity is not more than 95% on a daily average and not more than 90% on a monthly average;
3.The product is not suitable for use in installation sites with frequent and severe vibration, water vapour, gas, chemically corrosive deposits, salt spray, dust and dirt, as well as fire and explosion hazards.
