2037-60-ALF

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Gas discharge tube arresters (GDTs) are used to protect sensitive electrical equipment from transient overvoltage. In order to meet the various power system requirements, a wide selection of GDTs are available on the market. Amongst them, the 2037-60-ALF GDT is one of the most widely used arresters thanks to its robust construction, reliable performance and wide operating range. In this article, we will discuss the application field and working principle of the 2037-60-ALF GDT.

Applications Field

GDTs with the 2037-60-ALF designation are well-suited for use in most medium voltage systems. They are generally employed to protect equipment from voltage transients on power and control lines, and their versatility makes them an excellent choice for applications in diverse industries. These range from telecommunications networks, to railway power systems and industrial manufacturing plants. The 2037-60-ALF GDT offers reliable performance in indoor and outdoor environments, with an operating temperature range of -20°C to +60°C.

Working Principle

Gas discharge tubes have a two-stage overvoltage protection principle. The first stage is a ‘low voltage clamping’ mechanism which operates and clamps high impulse currents to a safe level. When a transient overvoltage occurs, electrons within the tube cross the gas gap and cause a current to flow which in turn prevents any further increase in voltage over the gas gap. The second stage is the surge current discharge of the tube. The surge current that is discharged into the GDT quickly reduces the voltage of the line to a safe level. Once the voltage is at a safe level, the tube begins to re-condense and prepare to again react to excessive voltages.

In addition to the above-mentioned stages of protection, the 2037-60-ALF GDT also features a uniquely designed thermal fuse. This is designed to cut off and remove any trapped energy in the event of an overvoltage that exceeds the clamping voltage. In this way, the 2037-60-ALF GDT ensures optimum protection of sensitive electrical equipment from transient overvoltages.

Conclusion

Gas discharge tube arresters are widely used to protect sensitive electrical equipment from transient overvoltage. The 2037-60-ALF GDT is one of the most widely used GDTs due to its robust construction, reliable performance, and wide operating range. It is suitable for use in most medium voltage systems and in a variety of industries. It also features a two-stage overvoltage protection principle and a uniquely designed thermal fuse for additional protection. All of these features make the 2037-60-ALF GDT an excellent option for protecting electrical equipment against transient overvoltages.

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