Product Description
The variable cross-section fuse body made by pure copper/silver piece(or silver wire) is sealed in the fusion tube which is made by the high strength porcelain; there is full of the high-purity quartzsand processed after chemistry to take the extingushing of arc medium in the tube. The cap upper the side of fuse element is equippen with fuse indicator, when the fuse element fusing, the indicator will spring immediately to display the fuse has blown out.