The utility model provides a sealed lid for fuse, includes lid and apron, is equipped with the through -hole on the lid, ceramic outer tube one end is cup jointed and is fixed in the through -hole of lid, the articulated apron that is equipped with on the lid, be equipped with the bulge loop in the through -hole periphery of the terminal surface that is equipped with the apron on the lid, be equipped with the boss on the interior top surface of apron, be equipped with the rubber circle between boss and the apron side. Rubber circles and is equipped with ring groove, and ring groove's size is the same with the bulge loop. Ring groove is the V -arrangement groove. Hinging on the apron and being equipped with the dead lever, be equipped with fixed tooth on the dead lever, be equipped with fixed recess on the lid, the dead lever can and make fixed tooth embedding anchor inslot around the articulated position rotation of dead lever and apron. Through adopting above -mentioned structure, realized the good sealed of fuse, avoided sleet weather to cause the corrosion of fuse and the short circuit of circuit because of water stain diping, adopt the bulge loop and the structure of the rubber circle of taking the recess, effectively seal fuse inside, to compare in current fuse, its security performance is higher.