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The fuse is mainly composed of three parts: the fuse, the shell and the support, and the fuse is the key element to control the fusing characteristics. The material, size and shape of the melt determine the fusing characteristics. Melt materials are divided into low melting point and high melting point categories.
Low-melting-point materials such as lead and lead alloys have low melting points and are easy to fuse. Because of their high resistivity, the cross-sectional size of the melt is large, and more metal vapor is generated during fusing. It is only suitable for fusing with low breaking capacity. device.
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