CG75LSN

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Gas Discharge Tube Arresters (GDT) are the most important type of over-voltage protectors developed to provide surge protection in various electrical and electronic systems. They are also known as Insulation Coordinators or Insulation Discharge Devices (IDDs). They are generally used to protect sensitive electronic components from damage caused by thunderstorms, electrical storms, or power surge. GDTs provide protection against over-voltage surges by limiting the voltage that reaches the protected equipment. The CG75LSN is a type of gas discharge tube arrester belonging to the large selection of High Voltage Arresters available. This article explores the application field and working principle of the CG75LSN.

The CG75LSN arrester is designed for use in applications where high inrush current is likely to occur, such as in electric utilities, transmission and distribution systems, substation facilities, and other installations where large amounts of current are present. The CG75LSN arrester is designed to work at high voltage levels, starting at 400V and up, and is capable of successfully arresting a wide variety of peak voltage up to and beyond 400V. This type of arrester is an ideal solution for providing reliable surge protection at high inrush current levels.

The principle of operation for the CG75LSN arrester is based on the gas discharge principle. Gas discharge is an effective way of limiting the flow of electrical current, and thus limiting the voltage. The CG75LSN arrester is composed of a pair of parallel-seated electrodes which are sealed in an insulating gas filled cylinder. When a transient over-voltage surge exceeds the arrester rating, the gas within the cylinder will ionize, creating a path of least resistance for the surge current to flow. The gas will then cool down, extinguishing the ionization path and restoring the cylinder to its original state.

The CG75LSN gas arrester is designed with a very low internal impedance, allowing it to absorb most of the surge current without tripping the protective circuit breakers. This ensures that the CG75LSN arrester can provide full surge protection up to its rated voltage, and that the protected equipment is not damaged by an over-voltage surge, no matter how high the peak surge voltage may be. In addition, the arrester is designed with a load distribution feature which ensures that voltage levels are evenly distributed across the arrester in cases where multiple parallel arresters are connected in series.

The CG75LSN features a long operating life with a high degree of reliability, making it an ideal option for various applications requiring surge protection. In addition, the arrester is easy to install and designed to be compatible with various voltage and current requirements. The arrester can be used in residential as well as commercial settings, and is designed to provide superior protection for sensitive electronic equipment, including computers, servers, and other electrical devices.

In conclusion, the CG75LSN is an ideal option for providing reliable surge protection for various electrical systems, regardless of the peak surge voltage. The arrester is designed to provide effective protection while still being easy to install and maintain, and offering a long lifespan with a high degree of reliability. This makes it a superior choice for many applications requiring surge protection.

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