SG420Q

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Gas Discharge Tube (GDT) arresters are special protection devices similar to varistors or metal oxide varistors (MOVs). They protect electrical and electronic circuits from over-voltage and transients.

The SG420Q is a particular type of GDT arrester designed to protect medium to high voltage AC circuits against such transient over-voltage conditions. The SG420Q should only be used in applications where the voltage is below 400 amps.

The working principle of the SG420Q is straightforward. When an over-voltage or transient condition is detected on the electrical system, the arrester triggers and quickly diverts the excess voltage away from the system, helping to protect the circuitry from damage.

The SG420Q GDT Arrester also contains an internal capacitor that helps to reduce the rate of voltage rise on the system when it is exposed to a surge. This helps to limit the amount of damage that could otherwise occur to the circuitry.

The SG420Q is designed to be highly resistant to breakdown under high transient voltage conditions. It is built with a tough, high-temperature-resistant ceramic core that is surrounded by a metal shell. The shell provides further insulation for the GDT and is designed to ensure that no sparks are generated during normal operation.

This SG420Q GDT Arrester is ideal for use in high-voltage power systems, communication systems, and industrial control systems. It is particularly useful for protecting against spikes and surges that are caused by lightning or other power supply fluctuations. It is also effective at reducing the risk of parasitic currents, caused due to the shifting of ground potentials.

The SG420Q GDT Arrester provides excellent protection against surges of up to 400 amps, and is highly reliable and durable. It is easy to install and can be used with a variety of AC and DC power systems. And, as it is made of high-quality materials, it is not only reliable but also cost-effective.

The SG420Q GDT Arrester is an efficient and reliable protection device for high-voltage AC and DC circuits. It is designed to divert the excess voltage away from the system in order to protect it from damage and malfunctions. It is also designed to reduce voltage rise rate and provide protection against parasitic currents, helping to ensure the safety and reliability of electrical and electronic systems.

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