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          From the rated voltage of the fuse, the meaning of self - restoring fuse pressure.

          Author:Admin Date:2017-03-06 Views:2239

          The fuse has a voltage and a current value on it, and many people say that the fuse type has nothing to do with its voltage. Is that true? So relative to self recovery fuse has a pressure value and actions to protect current value, in the fuse selection, pressure and actions to protect current value is the need of the selection of parameters, is this why?

          Whether the fuse is blown or not depends on the magnitude of the current flowing through it, regardless of the working voltage of the circuit. The rated voltage of the fuse is proposed from the Angle of safe use fuse. It is the highest working voltage of the circuit installed in the safe working state. This means that the fuse can only be placed in a circuit with a working voltage of less than or equal to the rated voltage of the fuse. Only in this way can the fuse work safely and effectively, otherwise, it will occur when the fuse is blown off and the circuit will be damaged by continuous arc and voltage breakdown.

          For safety reasons, the selection of the fuse must be less than the rated voltage, but in the case of the actual fuse type, many do not care about this parameter. Always think that the fuse current is fixed. In this regard, it is much better to recover the fuse type. This is also related to the nature of the self-restoring fuse. Since the self - recovery fuse is in excess of pressure, there will be false protection and even burn. So the fuse whether one-time fuse or self recovery fuse, whether withstand voltage value of the rated voltage or self recovery fuse is must not exceed, otherwise not only not to protect the function of the opposite cause safety accidents.


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