8020.5024.G

Fuses - 8020.5024.G Application Field and Working Principle

Fuses are passive electrical components, widely used in the safety protection of overload and short circuit in electric circuits. The shape of the fuse is cylindrical and has two copper caps on both sides. The surrounding is made of bakelite, epoxy resin, etc. with dielectric insulation. In series with the conductor, the fuse burns when the current exceeds the allowable value, achieving the purpose of protecting the circuit from overloading or short circuit, and some fuses also act in the case of a leakage fault.

The 8020.5024.G fuse is a G type fuse which is one of the branch fuses. Its rated voltage is 250VAC and its rated current is 6A. Its application fields are mainly used in low-pressure and current electrical applications such as common lighting fixtures, electrical distribution cabinets and coupling capacitors. It is widely used in protection and accuracy.

Designed with the principle of overcurrent protection and heat generation, the 8020.5024.G fuse has a protective sleeve. The fuse element of the fuse is connected at both ends with a jumper at one end and is printed at the other end. The explosive fuse wire and copper bridge of the fuse are connected in series, and the lower part is an indenter for attaching the fuse element. The explosion part of the fuse is squeezed between the double-layer protective shell and the safety protection sleeve.

When the electric circuit works normally, the current is very small, so the electric heating coefficient of the fuse is small, and its static electrical resistance is very small, so its static current-carrying capacity is large. When the electric circuit is in short circuit or overloading, the current of the circuit will increase sharply, thus causing a relatively large electric heating coefficient of the fuse element, and a large static current-carrying temperature, when the fuse temperature rises to reach the melting temperature of the fuse, the fuse will melt and open the circuit, disconnect the circuit, cut off the overcurrent, and the excessive heat will be dissipated from the air.

In summary, the working principle of the 8020.5024.G fuse is the principle of overcurrent protection and heat generation. When the circuit is in short circuit or overload, the current will increase sharply, resulting in a large electric heating coefficient and static current-carrying temperature, and the fuse will melt and open the circuit, thereby cutting off the overcurrent and eliminating the potential safety hazards for protecting the electric circuit from overloading or short circuit.