GTCA28-242M-P03

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Gas Discharge Tube Arresters (GDT) are essential parts in electrical installations, providing protection against dangerous surges in electricity supply or lightning. GTCA28-242M-P03 is a type of Gas Discharge Tube (GDT) that is designed to protect electronic equipment from lightning or other sources of high-voltage transients. It is designed to protect sensitive equipment installed in indoor and outdoor applications from transient over-voltage conditions caused by lightning or external energy, such as electrical power transients.

GTCA28-242M-P03 is mainly used in applications that require high current protection. It is typically used in power transmission and distribution systems, and is also used in industrial automation, telecommunications systems, and various other electrical and electronic systems. Additionally, it is used in medical implant equipment, automotive ECUs, and the like. This device provides high voltage transient protection and short circuit protection while still providing high insulation.

The construction of GTCA28-242M-P03 is based upon the basic principles of a GDT. The highly reliable GDT consist of an anode, a cathode, and a sparking-discharging gap between them filled with gas. The gas inside the gap acts as an electrical insulator until a high voltage is applied, at which point an electrical arc is created. This arc bridges the gap and reduces the high voltage to a safe level. Furthermore, the high electric fields created by the arc force the gas molecules to break down and form an insulating layer between the anode and cathode, preventing current from flowing through the device.

The arc produced by GTCA28-242M-P03 has two important independent characteristics. First, the arc extinguishes itself once the high voltage is reduced below a set threshold. Second, if the voltage increases again, the arc will reignite without any external intervention. This combination of features makes GTCA28-242M-P03 the ideal choice for providing reliable protection against damaging surges caused by lightning or other sources of high voltage transients.

The GTCA28-242M-P03 also has an additional feature which is the integrated spark gap. This gap separates the anode and cathode terminals and prevents current from flowing when the device is not in use. This feature offers additional protection against voltage surges by providing an additional layer of insulation by physically separating the two contacts.

In terms of performance, the GTCA28-242M-P03 is rated to protect against a variety of scenarios, including single/multiple peaks and combinations of current and voltage levels. It is also designed to withstand peak current ratings of up to 3750A (8/20µs) and impulse wavefronts of up to 10,000A (8/20µs). This makes GTCA28-242M-P03 suitable for use in a wide range of applications, from power transmission and distribution systems to industrial automation and telecommunications.

The GTCA28-242M-P03 is a robust and reliable GDT that offers superior protection against transient over-voltage and short circuit conditions in a wide range of applications. The integrated spark gap adds an additional layer of insulation and protection against voltage surges, ensuring that sensitive equipment is properly protected against potentially dangerous voltage levels.

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