1. The product meets the concept of green and environmental protection,and adopts dry air as the insulating
       medium,with no use of SF6 or greenhouse gas.

2. The product has excellent performance, undergoes electric field simulation analysis, calculation,and
       optimization treatment,and passes all relevant experiments and tests.

3. The three-station isolation switch is operated to ensure the safe running, with visible isolating distance.

4.The product is fuly isolated and sealed,with micro-positive pressure design,able to achieve safe operation at
       zero gauge pressure.

5. Adopt the modular design,compact structure,small volume, and light weight,convenient for handling and
       replacement.

6.With the flexible scheme,have the structures,like upper isolation,upper grounding,lower isolation,and Iower
       grounding,to meet the technical requirements of the State Grid and China Southern Power Grid.

7. With strong environmental adaptabiity,the product is suitable for cabinets in high and cold,Iow-lying
       humid,coastal high-salt fog,strong wind & sand,and other areas at an altitude of 5,000 m.