XGN-12 box type fixed AC metal enclosed switchgear (hereinafter referred to as "switchgear") is applicable to three-phase AC single bus, double bus and single bus with bypass system with rated voltage of 3.6~12kV, 50Hz and rated current of 630A~3150A, for receiving and distributing electric energy. It can meet the use requirements of various types of power plants, substations (substations) and industrial and mining enterprises.

The products meet the national standards: GB3906 3~35kV AC Metal Enclosed Switchgear, IEC60298 AC Metal Enclosed Switchgear and Control Equipment, DL/T402 and DL/T404, and meet the "five prevention" locking requirements.

1. Ambient air temperature: maximum temperature+40 ℃, minimum temperature - 15 ℃.

2. Humidity conditions: daily average relative humidity: ≤ 95%, and daily average steam pressure does not exceed 2.2kPa. The monthly average relative humidity is 90%, and the monthly average water vapor pressure is 1.8kPa.

3. Altitude: 4000m and below.

4. Seismic intensity: no more than 8 degrees.

5. The surrounding air shall not be obviously polluted by corrosive or combustible gas, water vapor, etc.

6. Places without frequent violent vibration.

7. In case of use beyond the normal conditions specified in GB3906, the user and the manufacturer shall negotiate.