Maximum current of endure the lightning stroke 20kA (8/20aas). Time of response < ... device (in short: SPD, alias: surge suppressor, surge arrester) is suitable for TN-S, TN-C-S, TT, IT ... GB18802.1, it adopts 35mm standard rail, there is a failure release mounted on the module of surge protection ... PositionNS1-(D, C, B)5 surge protective device is applicable for D,C,B grade lightening-proof, installed ...