NQ1 Dual Power Automatic Transfer Switch Application1.Ambient medium temperature: less than +40°C and more than -5°C;24 h average value less than+35°C2.Altitude: not over 2000m;
3.The max ambient air relative humidity when the maximum temperature is +40°C does not surpass 50%,in compares under the low temperature to be possible to allow the high relative humidity, the wettest monthly average min temperature is +25 °C, this monthly mean maximum relative humidity is 90%, the dew on the surface of the product must be taken into consideration because of the temperature change.4.NQ1 Automatic Transfer Switch Class of pollution: 3
5.The breaker should be put in the place where there isn’t any explosive medium and conductive dust and no gas, which would corrode metal or destroy the insulation.Regarding to the transfer switch of self or non self recovery,see Table 2 for its control function:under Auto state,when the normal power occurs fault or abnormality after a certain delay time it can automatically transfer to reserve power to supply power. When the normal power recovers normal,it failed automatically return to normal power. It only can return to normal power after a certain time delay time when the reserve power occurs fault or abnormality.
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