GTCR38-401M-R10

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Gas Discharge Tubes (GDT) form the basis of over voltage protection systems, serving an important role in the prevention of costly electrical damages. The GTCR38-401M-R10 is a gas discharge tube arrester with a 10 kA Interrupt Current Rating (ICR). This article will discuss the application fields and working principle of the GTCR38-401M-R10.

Application fields

The GTCR38-401M-R10 is most commonly used in residential buildings, commercial establishments and public safety installations. It is particularly suitable for the protection of telecommunication lines, communication equipment and power distribution systems exposed to atmospheric, switching and induced overvoltages. Its wide range of features, such as a surge current suppression, longer life expectancy and higher ICR make it ideal for this type of applications.

It has been proven suitable and reliable, even in extreme conditions of humidity, temperature, ice, sand or dust. Thus, it can be used in many modes with different ratings. The 65kA rating offers additional protection against electrocution.

Working principle

The GTCR38-401M-R10 is an active surge protector that operates on the principle of electrical overvoltage protection. It contains two pieces of electrically conductive materials - an electrode and a silicon dioxide substrate - between which there is an electrical field. When the incoming surge voltage increases substantially, a spark will be formed in the field and an electric current will flow. This current is dissipated in the form of heat, thus preventing the voltage from impacting any connected electrical equipment.

The surge current is detected by the GTCR38-401M-R10 and immediately commuted to ground. This ensures that any further rise in voltage is immediately clamped, thus providing additional protection to connected electrical equipment. The GTCR38-401M-R10 has a very rapid response time (8 microseconds), allowing it to intercept even the highest voltage spikes.

A distinguishing feature of the GTCR38-401M-R10 is its thermal protection feature. It is designed to withstand temperatures up to +90°C without compromising its protection performance. This means that it is suitable for use in higher ambient temperatures, which is ideal for outdoor applications.

In summary, the GTCR38-401M-R10 is an effective surge protection device, with an impressive response time, high current rating, and thermal protection performance, making it suitable for a variety of applications.

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