... 2,Class B,Lower residual,large discharge current 3,Low Voltage Surge Protector Low Voltage Surge Protector SUN-DB40/4 Key words : ... high quality surge protector to use non-linear components and low residual voltage,small discharge current,modulus,and using safely and ... technology parameters: Type No.DC power systemVoltage(V) UnContinuous Voltage Uc(V~)Standard Discharge Current In(KA)Max Discharge ...