KYN28-12 armored removable AC metal enclosed switchgear (hereinafter referred to as "switchgear") is applicable to three-phase AC 50Hz power system to receive and distribute electric energy and control, protect and monitor the circuit. The newly introduced high current and high breaking switchgear can also be used separately as the high-voltage generator outlet.

The products meet the standards: GB3906 AC Metal Enclosed Switchgear (3-35kV), GB/T11022 Common Technical Requirements for High Voltage Switchgear and Control Equipment Standards, IEC60298 AC Metal Enclosed Switchgear and Control Equipment with Rated Voltages above 1kV and below 50kV.

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

2. Humidity condition: daily average relative humidity: ≤ 95%. The daily average water vapor pressure shall not exceed 2.2kPa. The monthly average relative humidity is 90%. 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 shall negotiate with the company.