2035-20-BT1LF

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The 2035-20-BT1LF is one of the most advanced gas discharge tube (GDT) arresters used in electrical systems. It is designed to protect electrical systems from damaging overvoltage events, especially lightning strikes, power surges, and switching transients. By utilizing a GDT and an avalanche diode, the arrester can provide superior protection at high impedance, while ensuring that no energy is transferred through the device.

GDT arresters work by saturating a gas tube within the arrester. When the incoming voltage exceeds the level of the tube, the gas in the tube ionizes and the current travels through the tube. This limits the surge current travelling through the protected system, and also offers a high degree of circuit conditioning. The gas within the tube produces a spark of a certain duration, which terminates the transient.

The advantage of a GDT is that it can offer a large energy absorption capability with a modest voltage capability (low voltage rating). It can provide protection from surges up to 20kV peak and down to 75V rms. However, the disadvantage of a GDT is that the arc discharge of the tube can create noise in a system, which can disrupt signals and interfere with data transfer.

The 2035-20-BT1LF arrester is designed for a number of applications. It is suitable for overhead lines, indoor equipment, power systems, telecommunications, and industrial control systems. It is also suitable for use in circuit protection, sub-stations, and underground cable systems. In addition, it is designed for protection of circuits with low, medium, and high voltage.

The 2035-20-BT1LF is a four-stage design that provides robust protection against lightning induced transients and other high voltage surges, as well as excellent conditioning against low-level transients. It is designed with a capacitor-resistor network which provides a low impedance path to ground for fast earthing and excellent reliability.

When the voltage on the protected circuit rises to a certain level, the arrester begins conducting. The arrester then absorbs the energy of the surge, allowing the voltage across the arrester, and the protected circuit, to remain within a safe voltage. The arrester also has a spark gap which regulates the discharge and provides a minimal voltage threshold where the arrester is triggered.

When an over-voltage surge occurs, the voltage across the arrester begins to rise rapidly. The arrester will then start to function due to the presence of a capacitor-resistor network which provides a high current path. This ensures that the surge current is quickly absorbed by the arrester, preventing any significant voltage rise on the protected circuit.

The 2035-20-BT1LF GDT arrester is designed for a wide range of applications, offering superior protection and performance for power systems and telecommunications equipment. It is designed to provide maximum protection to electrical equipment, which is important for the reliability and safety of a system. This makes it an ideal choice for a range of applications, including overhead lines, power systems, telecommunications, and industrial control systems.

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