Surge Protetor,type SPD is suiting to A.C 50/60 Hz , 380V electric power system and used between N line and PE line. It protects the electric network shocked by the thunder or surge over voltage. When combined with the voltage limiting SPD it can be formed as the "3+1, 2+1, P+1" types SPD for improving the performance of defending thunder and surge.
Payment:T/T,L/C