CG75LS

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Gas Discharge Tube Arresters (GDT) are devices used in electrical systems for protection against transient overvoltage or lightning strikes. These devices are comprised of several components, including CG75LS tubes, which are widely used in various applications. This article will discuss the application field and working principle of CG75LS tubes and how they can be used in various applications.

The CG75LS is a Gas Discharge Tube (GDT) Arrester designed for use in indoor or outdoor locations. It is specifically designed to protect against high-energy transient overvoltage or lightning strikes, and its primary component is a specially treated glass body filled with a non-flammable gas. The gas is usually a mixture of noble or inert gases such as nitrogen, argon, and oxygen in a high purity form. The glass body contains several electrodes arranged to form several compartments, allowing an effective gas-filled protection zone to absorb any lightning surge going through the tubes. When the surge current exceeds the dissipation capability of the gas-filled chamber, arcing occurs within the chamber between the electrodes and dissipates the charge conducted by electric current.

The CG75LS Gas Discharge Tube Arrester is used in a variety of applications, ranging from residential to commercial, industrial, and outdoor installations. It is one of the most widely used GDT devices and is especially suitable for protecting electronic equipment or lines exposed to high-energy surges such as those generated by lightning strikes. It is also used in automation systems, security systems, telecommunications, smoke alarms, medical equipment, and lighting protection systems.

The working principle of the CG75LS Gas Discharge Tube Arrester is based on the principle of electrical breakdown in gaseous media. When a lightning surge is applied, the electric fields generated in the tube are high enough to break down the surrounding gas molecules, causing an electrical arc. This arc dissipates the energy of the surge, thus protecting equipment and lines from damage. The CG75LS device is designed to be self-resetting after each surge and effective over a wide frequency range, making it a reliable and efficient protection device.

In conclusion, the CG75LS is a Gas Discharge Tube (GDT) Arrester designed for use in a variety of applications. It is capable of providing superior protection against high-energy transient overvoltage or lightning strikes. It is made up of several components, including a gas-filled chamber containing several electrodes, and its working principle is based on the electrical breakdown of gaseous molecules. Overall, the CG75LS is an efficient and reliable protection device capable of ensuring the safety of equipment and lines from damage.

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