CDC-OV

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The current limiting fuse, also known as the CDC-OV fuse, is a specialty fuse designed to protect electrical circuits. It is used in various industries, such as power systems, automotive, and telecommunications. Its purpose is to protect against short circuits and overloads and to provide current control to prevent damage to electrical components.

The CDC-OV fuse is made of a heat-sensitive and shock-resistant material. It consists of a metal tube filled with a dielectric material, such as a sand or wax. The tube acts as an insulator and prevents contact between the inner and outer conductors when the fuse is in the off state. When current passes through the fuse, the heat generated causes the dielectric material to expand and bridge the gap between the inner and outer conductors, thereby enabling the circuit to become temporarily operational.

When the current passing through the fuse exceeds the rated value, the current will be limited so that the fuse will not be damaged. This will also limit the amount of distributed energy, thus preventing the circuit from being overloaded. The CDC-OV fuse will also disconnect the circuit when the current exceeds its rated current in a certain time and activate a signal to indicate if the fuse has been exhausted.

The operating principle of CDC-OV fuse depends on its construction. In the simplest case, the fuse consists of two conductive components, usually an outer and an inner conductor. The inner conductor is often made of metal, while the outer conductor is typically composed of a ceramic material. When the current passing through the fuse exceeds the rated value, the ceramic material in the outer conductor will heat up due to the high current passing through it, expanding and bridging the gap between the inner and outer conductors. This allows the current to flow through. If the current continues to exceed the rated value, the fuse will eventually exhaust. When this happens, the gap between the inner and outer conductors is broken, and the circuit will be disconnected.

There are several advantages associated with the use of CDC-OV fuses. For starters, they provide an excellent protection for electrical circuits. They are highly resistant to shock and vibration, making them ideal for use in areas exposed to such conditions. Additionally, they are able to provide various levels of protection, making them suitable for use in different applications.Finally, the current limiting feature of these fuses makes them suitable for use in various environments, such as high temperature and high pressure situations.

CDC-OV fuses offer an effective and reliable protection for electrical circuits, as well as a reliable way to limit current in certain applications. Their construction and working principle make them suitable for a range of applications, making them a popular choice for a range of industries. With their numerous advantages and applications, the CDC-OV fuse continues to be an important component for many electrical systems.

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