The surge protection device, referred to as SPD, is applied in the IT, TT, TN-S, TN-C-S, and other power systems for equipotential connection at the junction of different lightning protection zones. Its rated operating voltage is 380V AC or lower and its frequency is 50 or 60Hz.
Our product is designed in accordance with IEC61643-1 and GB18802.1, standards for surge protection device. It is normally installed in the household distribution box or the outlet box of various electrical equipment.
China Surge Suppressor | Electrical Surge Protector | Residential Surge Protective Device