◆KS9 series mining transformers are suitable for underground central substations, underground parking lots, general air inlet ducts and main air inlet ducts in coal mines, where there is gas but no danger of explosion. It is also suitable for the environment where the tunnel is relatively humid.
◆Normal environmental conditions of use: the altitude does not exceed 1000m.
The maximum ambient temperature is +40°C and the minimum is -25°C.
◆Special environmental conditions of use: the altitude exceeds 1000m.
The maximum ambient temperature is +40°C and the minimum is -45°C.
◆The relative humidity of the surrounding air is not more than 95% (+25℃).
◆There is no strong turbulence and vibration and the inclination of the vertical plane does not exceed 35°.