N-PE Surge protective device
N-PE 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.