GTCN28-471L-P05

Series:	GT
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	470V
Impulse Discharge Current (8/20µs):	5000A (5kA)
Tolerance:	±15%
Number of Poles:	2
Fail Short:	No
Mounting Type:	User Defined
Package / Case:	Cylinder No Lead

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Gas Discharge Tube Arresters (GDT): GTCN28-471L-P05 Application Field and Working Principle

Gas Discharge Tube Arresters (GDTs) are classified as a category of Protective Relay Devices and are used to protect electrical equipment from damaging effects of lightning, surges, overvoltage, and short circuit failures. The GTCN28-471L-P05 is one specific type of GDT Arresters, and this article describes its application field and working principle.

Application Field for GTCN28-471L-P05 Arresters

GTCN28-471L-P05 Arresters are well-suited for installation outdoors in telecommunications, power distribution, and other related industrial systems. As they are designed to absorb an over-voltage impulse and provide increased levels of protection, GTCN28-471L-P05 Arresters are ideal for protecting circuit breakers, fuses, surge control devices, lightning arresters, and other sensitive electrical components. They are designed to increase the safety and efficiency of vulnerable systems, making them a recommended choice for a variety of applications.

GTCN28-471L-P05 Arrester Working Principle

The GTCN28-471L-P05 Arrester works by allowing electricity to enter the unit in the normal parameters of operation. If an abnormal surge of voltage is detected, the system responds by deflecting the surge to ground. This enables the arrester to play its role in protecting the electrical system.To ensure the GTCN28-471L-P05 Arrester is providing consistent protection to the system, it relies on a series of individual elements to create a finely tuned structure. This structure is composed of a gas-filled tube, a spark gap, a surge protection element, and a surge suppression element. The spark gap acts as a trigger to begin the protection process when a surge is detected. When an abnormally high voltage is detected, the spark gap sends an electric discharge arc for the current to flow. This arc will move between the gas-filled tube and the spark gap to cause a spark. This spark will then ignite the gas-filled tube, causing the pressure of the gas to increase. The increased pressure of the gas will then force the current inside the tube to move and eventually to ground. This reduces the intensity of the surge and therefore protects the system.Finally, the surge protection and suppression elements are set to limit the total current flow of the arrester to protect it from current overloads. This also guards against the possibility of damaging the connected system.

Conclusion

In conclusion, GTCN28-471L-P05 Arresters are a type of Gas Discharge Tube Arresters that are specific to Telecommunications, Power Distribution, and related Industrial systems. These arresters provide a reliable level of protection against lightning, overvoltage, and short circuit failures. They are designed using a series of elements that ensure the system is being protected consistently and efficiently.

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