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Do You Know the Functions of the Fuse Cutout?

Pulished on Jul. 22, 2021

The fuse cutout is a common unit in electrical distribution, and it is a combination of a fuse and a switch. And almost every time you look up at the electrical distribution lines overhead, you would probably see a fused cutout. But do you know the functions of the fuse cutout? Today as a fuse cutout supplier, share with you:

Fuse Cutout

To Indicate an Open Circuit

This apparently basic function is one particular of the most essential roles of the cutout. No matter what the reason if the fuse cutout operates the fuse holder will open signaling to the electrician that the line must be support service. 

To Protect the Ground Fault Current

The cutout will also work and open the circuit in the situation of a downstream ground fault. For instance, when something results in a ground fault. All the accessible energy will rush to the ground; it is hazardous and the circuit must rapidly be opened up. At that moment, the current that try to rush through the cutout and to ground could be more than 10,000 amps. Then the cutout will quickly extinguish the arc to stop the flow of energy by. After the arc is extinguished, the fuse holder will fall open. Also, the open fuse holder offers a visible indication that the fuse had operated and must be changed.

To Protect the Distribution Transformers

A fuse is able to be installed inside of the fuse holder, also called a fuse tube. Similar to the circuit breakers in your house, a fuse installed before a transformer will protect it from over current situations. As an example, a 20A fuse link can be installed in the cutout fuse holder. Then if the transformer draws 30 amps for any more than a few seconds the fuse will work, efficiently disconnecting the transformer from the electric line and protecting the transformer from damage. After this occurs the fuse holder will fall open. The open fuse holder provides an easy to see visible indication that the fuse had worked. That means a electrician can quickly discover and change the fuse.

As we can see that the fuse cutout has many functions and makes many contributions to the electrical distribution and our life. Though these units are small, they can save electric utilities by avoiding damage to transformers or other line assets; in addition, they can save utilities thousands of hours a year by making it simple to see where a line requires to be repaired. The fuse cutout is necessary in the system of electric distribution, so where we can get the fuse cutout in high quality and reasonable price? Then our company can help you!