The working principle of fuses
GFEFUSE provides professional technical support Understand the working principle of fuses
When the current increases, the fuse generates heat. The heat (Q) is equal to I²R, where I represents the current. When the current is too high, the temperature rises and reaches the melting point of the fuse, causing the internal fuse to melt and automatically cut off the power supply. This can protect the circuit and electrical appliances. Fuses can withstand overloads caused by power outages or external interference and operate within a certain range of current fluctuations. When a large current flows through the circuit, the fuse operates within the specified interrupting current range, protecting other electronic components in the circuit. In the event of a short circuit with excessive current flow, the fuse will safely open the circuit, preventing damage from overcurrent.
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