1. Each cabinet can accommodate two outgoing circuits.

2. A vacuum contactor capable of electrical power after closing should be used as an accessory.

3. Keep yourself in captivity for single-pipe installation.

4. Operating environment temperature: -15~40℃.

5. The altitude of the operating environment does not exceed 1000m.

6. The relative humidity of the operating environment: the monthly average is not more than 90% (at +25°C).

7. The earthquake intensity does not exceed 8 degrees.

8. Do not use high-voltage cabinets in places where there is fire, danger, severe pollution, chemical corrosion, or severe locations.