... surge arrester) is suitable for TN-S, TN-C-S, TT, IT etc. power supply system of AC 50/60Hz, <380V, installed ... of LPZ1 or LPZ2 and LPZ3, it's designed according to IEC616431, GB18802.1, it adopts 35mm standard rail, there ... and lightening. These series usually installed in household distribution boards, computer equipment, frequency conversion equipment, operating room, custody, electronic equipment ...