2020-15T-C2LF

Series:	2020T
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	60V
Impulse Discharge Current (8/20µs):	10000A (10kA)
Tolerance:	--
Number of Poles:	3
Fail Short:	No
Mounting Type:	Through Hole
Package / Case:	Axial Cylinder, 3 Lead (Radial Bend)

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Introduction

Gas Discharge Tube Arresters (GDT) are type of protective device utilized to exclude overvoltages and surges that may be detrimental to power-system apparatus. In many cases, GDTs mounted at the entrance of power-system components are the last line of defense for the equipment, making them vital for power-system safety and reliability. To meet this purpose, GDTs must be qualified to provide a high level of protection while ensuring intrinsic parameters remain stable when the device is switched off.

History and Development

The need for such devices emerged in the late 19^th century, when the distribution of electricity on wide scale was starting form. Due to the harsh environment present on power-supply grids, cables and other equipment needed to be protected from external overvoltages. By the late 20^th century, the use of GDT technology had increased and advanced throughout the power-system protection sector, due to their reliability.In 2001, advances in GDT technology began with the development of the 2020-15T-C2LF application field and working principle. This new model utilizes GDT technology to limit overvoltages and protect power-system apparatus from damage caused by surges. The device is capable of maintaining an extremely high level of protection in a compact and light package, while also being compatible with a wide variety of systems and set-ups.

Construction and Operation

The 2020-15T-C2LF application field works by detecting abnormal overvoltages and subsequently releasing a spark to limit the flow of electric current. The entire process is achieved within milliseconds, enabling the GDT to provide reliable protection during dangerous surges.The 2020-15T-C2LF GDT is constructed out of specialized ceramics, which are sealed in an airtight environment. This prevents any contamination that may affect device operation. The GDT contains three main components: two electrodes, an external insulator and an internal iodide. As a voltage surge is in progress, the external insulator breaks down, allowing a spark to form which will then reduce the voltage and prevent further damage to the power-distribution system.

Benefits of 2020-15T-C2LF

The 2020-15T-C2LF GDT provides a number of benefits, making it a particularly popular choice amongst power-system designers. Firstly, the device is relatively small and light, making it easier to install and maintain. Secondly, the 2020-15T-C2LF GDT provides an extremely high level of protection. By limiting the electric current to a safe level, the device not only prevents damage to equipment, but also reduces the likelihood of a power-supply outage.Thirdly, the device is almost no maintenance. It is simple to install and requires no manual adjustment or monitoring. This greatly reduces cost, labour time and effort for power-systems designers.

Conclusion

The 2020-15T-C2LF GDT is an innovative solution for providing reliable protection to power-system components against overvoltage. By providing a high level of protection, minimal maintenance requirements and a compact design, the device has become a popular choice for power-system designers and operators.

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