275VAC Surge Protection Device for Home 40kA
GSP9 3Pole Surge Protector 20KA-40KA SPD AC275V AC385V 400V 440V SPD House Surge Protector 1P+N Din Rail General GSP9-C40KA series surge protection device (in short SPD,surge suppressor surge arrester)is suitable for TN-S, TN-C-S, TT, IT etc, power supply system of AC 50/60Hz. Standard IEC61643-1, GB18802.1.There is a failure release mounted on the module of surge protection device, When the SPD fails in breakdown for over heat and over-current, the failure rlease will help electric equipment