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　　What is the significance of the breaking ability of patch fuses in practical applications?

　　The breaking ability of patch fuses is a safety indicator that is not related to their electrical performance, so it is often overlooked by manufacturers or users, and some people even do not know the technical indicators of fuses having breaking ability.

　　As a safety component, a fuse is required to ensure the safety of the circuit and other components at all times. Therefore, the first step is to ensure that it is sufficiently safe in any situation, especially when there are no unsafe factors during the operation of the fuse, including continuous arcing, re conduction, combustion, splashing, and explosion. Breaking ability is an indicator that reflects the guarantee ability of a fuse.

　　The parameter unit of breaking capacity is ampere, which means that the fuse can safely break the maximum current of the circuit. That is, as long as the overcurrent in the circuit does not exceed the breaking capacity of the fuse, the fuse can ensure safe cutting of the current without any unsafe phenomena; On the contrary, even if a fuse can cut off the circuit current, it cannot guarantee absolute safety, so breaking ability is not an optional indicator.

　　In order to ensure the safety of fuses, when selecting fuses, in addition to considering necessary performance parameters such as current capacity, melting characteristics, anti pulse ability and aging speed, impedance and power consumption, temperature reduction, safety indicators such as breaking capacity, rated voltage, and safety certification should also be taken into account.

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