CG6250SM Circuit Protection

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Gas Discharge Tube Arresters (GDT) are vital pieces of safety equipment used to protect electrical equipment from damage caused by transient voltage surges. They are often used in conjunction with surge protective devices (SPDs) to provide surge protection at different levels and in different applications. The CG6250SM is a type of GDT specifically designed and tested to protect outdoor communication and telecommunication lines from lightning strikes and other transients.

The CG6250SM is an appropriate choice due to its high surge current capacity, fast response time, and high voltage test capability. It is capable of withstanding the highest possible surge voltages and currents associated with a direct lightning strike. The GDT also has a very low leakage current, which helps minimize any interference with telecommunications signals.

The working principle of the CG6250SM is based on a breakdown voltage’s response to a current flowing through the GDT. The tube will remain non-conductive until it reaches the point of breakdown or the onset voltage. Beyond this point, the current will quickly increase and the GDT will switch into its conductive state. The current will be dissipated safely through the GDT instead of traveling further along the circuit and damaging the equipment. After the surge has passed, the GDT will reset itself and remain non-conductive until further triggered.

The CG6250SM is ideally suited for protecting communication and telecommunication lines from extremely high surge voltages and currents, making them especially useful in areas with high lightning activity. The GDT is typically used in outdoor applications, where it is connected across the line to be protected. The GDT is designed to “clamp” the voltage at an appropriate level and thereby limit the surge current to safe levels. This protects the equipment from both direct and indirect lightning strikes as well as other transient over voltage conditions.

The CG6250SM is UL certified, CSA certified, and complies with IEC standard 61643-11. It is an excellent choice for a wide range of applications, including outdoor communication and telecommunication systems, outdoor bus bars, power and control systems, and other high-voltage industrial equipment.

The CG6250SM is a reliable, high-performance GDT that offers excellent surge protection for outdoor communication and telecommunication lines. With its high surge current capacity, fast response time, and high voltage test capability, it provides excellent protection against direct and indirect lightning strikes and other transients up to a maximum of 6.5kV. It is UL, CSA and IEC certified, and offers superior lightning protection for a wide range of applications.

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