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Fuses

A fuse is a device used to protect an electrical circuit from overload. It consists of a metal strip or wire that melts and breaks the circuit when too much current flows through it. The 39711000440 fuse is a type of fuse made of low temperature melting sand, which is made of thermally sensitive material that will quickly melt and disconnect the circuit when too much current flows through it.

Application Field

The 39711000440 fuse is mainly used in the protection of electrical circuits, motors, transformers, controller cables, devices and other electrical components in the industry, automobiles and military fields. It is widely used in the protection of power supply pipelines, air conditioners, refrigerators, stoves, microwave ovens, TV sets, computers, washing machines, automobiles, buses, ships, generators and other electronic equipment and devices.

Working Principle

The 39711000440 fuse is a device that uses a low temperature melting sand, which consists of a meltable core and a metal shell. When the current passes through the fuse, the heat generated by the current passing through the meltable core will cause it to melt and break the circuit, so that the electrical circuit composed of the metal shell will be disconnected. If the current exceeds the rated current of the fuse, the meltable core will overheat and melt, breaking the circuit and protecting the electrical equipment from burning.

The 39711000440 fuse has a no-load current of 5 milliamperes (mA). When the current in the circuit reaches 5mA, the heat generated by the current will cause the meltable core to slightly changed shape, and the metal shell around it will be locked in the presence of a mechanical spring, indicating that the circuit is disconnected.

Advantages

One of the advantages of the 39711000440 fuse over conventional fuses is that it has very fast response time. When the current in the circuit exceeds the rated current, the meltable core will quickly melt and break the circuit, protecting the circuit and other electrical equipment from burning. It also has good temperature resistance and mechanical properties, so it can be used in various harsh environments.

In addition, the 39711000440 fuse is very small in size and can be easily installed in any circuit. It is a cost-effective and reliable way to protect circuits from overload.

Conclusion

The 39711000440 fuse is a versatile and reliable fusing device that is well suited for a wide range of applications. It offers fast response time, good temperature resistance and mechanical properties, and is easy to install in any circuit. Therefore, it is an ideal device for providing circuit protection from overload.

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