0MIN020.V

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Fuses are safety devices used to protect electrical wires, equipment, and appliances from damage caused by overload or short circuit. The 0MIN020.V fuse is an important type of fuse used in a variety of applications. This article describes the application field and working principle of 0MIN020.V fuses.

Application Field

The 0MIN020.V fuse is a high-voltage cartridge fuse, with a voltage rating of 7200V. The interrupting rating is 200 kA. It has a wide range of applications, including the protection of power distribution units, external distribution systems, power cables, and transformers. It is most suitable for electric power systems.

Working Principle

The 0MIN020.V fuse operates using the following principle. The fuse consists of two metal strips, each with a donut-shaped segment. These intersect and overlap each other, forming an air gap between them which reduces electrical conductivity. When current passes through the fuse, the resistive heat generated by the air gap causes the metal strips to expand and separate, interrupting the flow of current.

The 0MIN020.V fuse also includes a thermally responsive element designed to react to the heat generated by the air gap. When the current reaches a pre-determined level, the element triggers and closes the contacts, allowing the current to once again flow. This effectively resets the fuse.

In addition, the 0MIN020.V fuse is equipped with a variety of protective features, including a high melting-index wire, a current-limiting element, a fast-acting thermal element, and an adjustable endstop feature.

The 0MIN020.V is a high-quality, reliable safety device designed for use in a variety of applications. It is efficient and easy to install, and has a long service life. It is the ideal choice for enhanced protection of electrical systems.

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