CDB-OV

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Specialty fuses are electrical devices that can protect electrical systems from overloads and short circuits. These components are used in a variety of applications, from home appliances to military and aerospace systems. A common type of specialty fuse is the CDB-OV, which is used to protect equipment from electrical overvoltage and fits a variety of voltage and current requirements.

The CDB-OV is a point fuse with a voltage rating of 40 to 600 volts and a current rating of up to 10 amperes. The fuse body is made of glass and its terminals are made of brass or other metal plated with tin. It is designed to cut off overvoltage up to 7.5 times its rated voltage and to open the circuit quickly in the event of an overload.

The construction and working principle of the CDB-OV fuse is based on the overcurrent characteristic of its metal-oxide elements. This type of fuse has a metal-oxide pellet that acts like a resistor when an overvoltage is present. The resister heats up and overloads, this causes its temperature to increase significantly. When the temperature exceeds the fuse\'s melting point, the element melts, breaks the circuit and switches it off.

Another type of element typically used in CDB-OV fuses is a sand core. The sand core element uses silica sand to help dissipate excess heat by increasing the thermal capacity of the fuse. It also helps to reduce the risk of arcing, since it has better insulation properties than other materials.

The CDB-OV fuse is typically used in electronic and industrial circuits to protect equipment from electrical overvoltage. Its high current capacity makes it suitable for use in systems with high electrical demand. It is also suitable for use with high-frequency or high-voltage load. In addition, its overcurrent protection and quick-acting switching capabilities make it an ideal choice for protecting sensitive electronic devices such as computers, cellular phones and medical equipment.

The CDB-OV fuse is a reliable and cost-effective solution for protecting electrical systems from overvoltage. It has a wide voltage and current range, making it suitable for a variety of applications. Its construction and working principle ensure that it can quickly cut off power in the event of an overload, while its sand core helps to reduce the risk of arcing and improve the performance of the fuse.

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