GTCR38-421M-Q10

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Gas Discharge Tube Arresters (GDT) are widely used to protect electrical systems from power surges caused by lightning strikes and switching operations. The GTCR38-421M-Q10 is one type of GDT that is specially designed for outdoor applications in high-rise buildings and areas prone to lightning.

The GTCR38-421M-Q10 is composed of spark gap and a gas chamber filled with SF6 (sulphur hexafluoride), and is designed to provide reliable surge protection in high voltage applications up to 780 volts. The spark gap is constructed with two electrodes. When the voltage approaches the breakdown voltage, the spark gap starts to arc, and current rapidly moves along the spark gap. When the voltage continues to increase, the current increases until an avalanche flow occurs and the gap is completely disconnected. This prevents the overvoltage from reaching sensitive electrical equipment.

The GTCR38-421M-Q10 is equipped with a built-in SF6 gas-filled chamber to further improve its surge protection capabilities. When the spark gap arcs, the electric field in the gas chamber causes ions to accelerate and generate electrons, thus forming a discharge channel in the SF6 gas. The discharge channels dissipate all the remaining surge energy and protect electrical equipment. The GTCR38-421M-Q10 is designed to protect equipment from lightning strikes and high-frequency pulse discharges. It can also be used to protect power lines and telecommunications devices in outdoor applications.

In operation, the GTCR38-421M-Q10 requires no external power supply and can be easily installed without the need for tools. Its lightweight and compact size enable it to fit into small spaces, making it suitable for most indoor and outdoor applications. The device is equipped with an indicator light to indicate the status of the arrestor. When the arrestor is in operation, the light will be lit and will turn off when it is in standby mode.

The GTCR38-421M-Q10 provides overvoltage protection for outdoor metallic systems, such as high-voltage transformers, motors, power lines, and telecommunication systems. It is ideal for high-rise buildings or locations with frequent lightning, such as coastlines or areas with active thunderstorms. The device is also suitable for use in other outdoor environments, such as industrial and agricultural areas as well as mining and utility distribution settings.

Overall, the GTCR38-421M-Q10 is an ideal solution for surge protection in areas prone to lightning and power surges. Its simple installation and maintenance-free design make it an ideal choice for outdoor applications where space is limited.

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