◎Normal use environment◇The ambient air temperature should not be higher than +40℃, not lower than -5°C, and the average temperature within 24 hours should not be higher than +35℃. When it exceeds the limit, the capacity needs to be reduced according to the actual situation; ◇For indoor use, the altitude of the use location shall not exceed 2000m;

◇The relative humidity of the surrounding air shall not exceed 50% when the maximum temperature is +40*C. A larger relative humidity is allowed at lower temperatures, such as 90% at +20°C. It should be considered that the temperature may change due to temperature changes. The effect of accidental condensation;

◇The device should be installed with an inclination of no more than 5° from the vertical plane, and the entire cabinet row should be relatively flat (in compliance with GBJ232-82 standards); ◇The device should be installed in a location that is free from severe vibration and impact and is not sufficient to expose electrical components to undue stress. Corrosive places;