2035-30-SM

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Gas Discharge Tube Arresters (GDT) are the devices used to protect electrical systems against damage from lightning and transient overvoltage. They divert electrical current away from the system and provide protection by breaking the path between the lightning strike and the system.

GDTs use a gas-filled discharge tube, a spark gap, and a pair of electrodes between which an arc current is generated, to create an arc across the electrodes and form a breakdown in the ionized gas. The current passing through the tube is blocked by the breakdown.

In the 2035-30SM application field, the GDT is fabricated from a crystal silicon wafer, which makes it extremely stable and strong. The 2035-30SM is a two-stage arrestor, with the first stage being an active rectification section and the second stage being a field-stabilized dielectric breakdown section. It has a wide voltage protection window and can be customized for specific applications.

These 2035-30SM arresters are designed to protect cable systems from lightning and other transient events. The device works by dispersing the high electrical energy of the lightning strike into the ground. The GDT, when activated, has a very high electrical impedance that limits current flow, thus providing electrical insulation and protection.

The working principle of the GDT can be understood when considering the breakdown voltage of the gas. The breakdown voltage is the maximum voltage that can be applied to the electrodes before the gas begins to break down and produce an arc. When an overvoltage is applied, the electrons become excited and move through the arc. This movement of electrons produces a sudden increase in current, resulting in a current surge. The increased current will cause the arrestor to break down, forming an arc and conducting the extra energy away from the system and into the ground.

The 2035-30SM arrester works by creating a reverse breakdown and diverting the lightning current away from the system. The reverse breakdown occurs when the voltage rises to a level above its breakdown voltage. This breakdown voltage is determined by the amount of gas present in the arrester. The higher the conductive gas content, the higher the breakdown voltage. When the arrester breaks down, the current will move through the arrester and be diverted away from the system, dissipating into the ground.

The 2035-30SM arrester is designed to provide protection for conductors operating at very high voltages, such as power and telecommunications cables. Its wide voltage protection window makes it ideal for use in systems operating at high voltages and the two-stage design ensures maximum protection. It is also relatively easy to install and maintain, making it a cost-effective solution for any application.

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