Dampproofing explosion -proof arrester

The utility model belongs to the technical field of the arrester technique and specifically relates to indicate a dampproofing explosion -proof arrester. Including last lid, down lid and casing, the casing, go up the lid and down the lid enclose and establish the formation cavity, from last electrode, elastic component, core and the bottom electrode that connects gradually that down be equipped with in the cavity, go up the electrode and be equipped with the projection and go out the upward terminal block of lid, terminal block is connected with removable the unloading of last lid, bottom electrode ground connection, the core includes multi -disc zinc oxide varistors, and multi -disc zinc oxide varistors's surface is evenly twining multilayer polyimide sticky tape, is equipped with the insulating rod between the adjacent two -layer polyimide sticky tape, be equipped with the filter screen in the cavity, it has the drier to pack between filter screen and the cavity, and lower lid is equipped with the pipe, and