8020.0521.PT

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8020.0521.PT Application Field and Working Principle of Fuses

8020.0521.PT is a popular type of Fuse, widely used in various industrial fields. The word "fuse" is derived from the Latin word "Fusus", which means "to melt".The main purpose of a Fuse is the protection and disconnection of an electrical circuit in the event of an excessive current, caused by short circuits or overloading.

8020.0521.PT Fuses can be divided into AC and DC types according to voltage characteristics. The rated voltage of DC is not more than 250V, and that of AC is not more than 500V. As for application fields, they can be used in domestic appliances, such as washing machines, electric fans and microwaves, as well as industrial electrical equipment, power supplies and transformers. They can also be used in communication equipment, electronic circuits and other occasions.

Fuses consist of two components, a fuse element and a fuse holder. The fuse element of 8020.0521.PT fuses is made of special silicate glass or polymer material, with a threaded contact inside for connecting to the circuit, and a conductor that melts when the rated current is exceeded. Fuse holders are usually available as plug-in or bolt-on type, depending on customer requirements. When an overcurrent fault occurs in the circuit, the fuse element quickly melts due to the heat generated by the excessive current, thus protecting the circuit.

8020.0521.PT fuses have a high breaking capacity, fast response and reliable protection. When selecting fuses, the rated current of the fuse must not be less than that of the protected circuit, nor more than 400% of it, in order to ensure proper current limitation and rapid response. Moreover, multiple fuses may be connected in series or in parallel according to combination requirements.

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