... technology parameter is as below:Type No.Rated Voltage(V) UnContinuous Voltage Uc(V~)Standard Discharge Current In(KA) ... Uc=140V,440V,550V,voltage range of range of the SPD):Type No.Rated Voltage(V) UnContinuous Voltage Uc(V~)Standard Discharge ... /1101101422040650Key words : Surge Protective Device,SPD,Surge Protection,Voltage Surge Protector,Surge Protector,Surge Arrester,Surge Suppressor,Lightning ...