... , 60-100KA Pole:1P,2P,3P,4P suitable for 35MM din rail LV Grade B type withdrawable power lightning surge arrester 1 ... , surge arrester) is suitable for TT, IT, TN-S, TN-C-S etc. power supply system of AC 50/60HZ, installed ... LPZ3, designed according to IEC61643, GB18802. It adopts 35mm standard rail. When SPD fails in breakdown for over-heat and over ...