Manual Changeover Switch 400A Three Phase Four Poles ATS Automatic Transfer Switch

Q2 series automatic transfer switch are mainly composed of power conversion actuator, circuit breaker and controller. This dual power switch with automatic, manual, power indicator, normal switch indicator, ready switch indicator working state. Switch's features are small volume, long life, low power consumption, light weight, stable work, easy to use and so on.


ATS normal operating conditions:
 
1.The ambient temperature shall not be higher than +40ºC, or lower than -5ºC, and the daily average shall not exceed +35ºC.
 
2.The altitude of installation site shall not exceed 2000m.
 
3.Relative humidity shall not exceed  50% at the ambient temperature of +40ºC , a higher humidity is allowable at a lower temperature, the average maximum relative humidity is  90% in the wettest month at a monthly average minimum  temperature of + 25 ºC,and special measures shall be taken for the condensation on surface of product due to temperature change.
 
4.Pollution class: class  .
 
5.In place of no intense vibration and impact,  no harmful gas corrosive and disruptive to the insulation, no sever dust, no conducting microparticle and explosive substance, no high electromagnetic interference.