What are the functions of fuse links

When a current between the conventional non-fusing current and the rated breaking capacity (current) specified in the relevant standards acts on the fuse, the fuse should be able to operate satisfactorily and will not endanger the surrounding environment. The expected fault current of the circuit where the fuse is placed must be less than the rated breaking capacity current specified in the standard, otherwise, when the fuse blows due to a fault, there will be continuous arcing, ignition, fuse burning, melting together with the contacts, and the fuse mark cannot be recognized. Of course, the breaking capacity of inferior fuses does not meet the requirements of the standards, and the above hazards will also occur when used. Classification: According to the protection form, it can be divided into: overcurrent protection and overheating protection. The fuse used for overcurrent protection is what we usually call a fuse (also called a current limiting fuse). The fuse used for overheating protection is generally called a "temperature fuse". Temperature fuses are divided into low melting point alloy type, temperature sensitive trigger type, memory alloy type, etc. (Temperature fuses are used to protect heating appliances or easily heated appliances from overheating, such as hair dryers, electric irons, rice cookers, electric stoves, transformers, motors, etc.; they respond to the increase in the temperature of electrical appliances and do not care about the working current of the circuit.

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