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The constituent structure of the fuse

General fuse consists of three parts: one is melt part, it is the core of the fuse, fuse when have the effect of cut off the current, the same class, the same specification fuse melts, material to be same, geometry size, small resistance, as far as possible, and be consistent, the most important thing is fusing features should agree, commonly used household fuse lead antimony alloy;

The second is the electrode part, usually there are two, it is an important part of the melt and the circuit connection, it must have good conductivity, should not produce obvious installation contact resistance;

Part three is stents, the fuse melts is generally fine soft, the role of stents is to melt and make three parts fixed rigid overall ease of installation, use, it must have good mechanical strength, insulation, heat resistance and flame retardant, in use should not produce the phenomenon such as fracture, deformation, combustion and short circuit.