CHQ3R 2P 3P 4P Dual Power Automatic Tranfer Switch (CB Class)

■Scope of application

Dual Power Automatic Transfer Switching Equipment(hereinafter referred to as switch)in applicabletoAC 50Hz or 60Hz, rated operating voltage 400V,rated operating current 63A or below doublelooppower supply system,the conversion to the selectivity between the two-way power supplyaccording to the requirements,the product with short circuit, overload, under voltage, voltage lossprotection function, also with prepared the fire, double points and output switching signal function.Especially suitable for the need to have fire protection requirements of office buildings,shoppingmalls, Banks, railway stations, hospitals and high-rise building to install fire lighting circuit.

■Normal operating conditions

◎ Ambient air temperature upper limit value is not more than +40℃,thelower limit value is not lessthan-5℃,the average value of 24h is no morethan +35℃。
◎ The altitude of the installation site is not more than 200m。
◎ Atmospheric relative humidity in the ambient air temperature of +40℃ not more than 50%,at alower temperature can have higher humidity;themonthly average minimum temperature of thewettest month is+25℃,Theaverage value of maximum relative humidity is 90%,and taking intoaccountdue to humidity changes occurred in the frost on the surface of the product,special measuresshould be taken。
◎ Pollution level Ⅲ。
◎Operation place without strong vibration and impact,no corrosion anddamage to the insulation

■Overall and installation dimension of 63-C type