2056-25-ALF

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Gas Discharge Tube Arresters (GDT) are commonly used in the protection of electronic equipment and systems from dangerous overvoltage transients. GDTs are one of the most important types of over voltage protection equipment, and they come in many configurations and sizes. The 2056-25-ALF is a specific type of GDT, and it has an application field and working principle unique to its design.

The 2056-25-ALF GDT is designed for protection of all types of low-voltage power, telecommunication, and electronic equipment. Its operating voltage range is 8-25KV, and its rated voltage is 25KV. It has a short hold current rating of 2.5-4kA, with a maximum response time of 10-15μs. This particular GDT also features a transient voltage peak attenuation capability of up to 25KV.

The working principle of the 2056-25-ALF GDT is based on the application of a high-voltage pulse to the GDT, which in turn causes a breakdown between the electrodes of the GDT. This breakdown creates an electrical arc between the electrodes, which is then extinguished by the ARC chamber. This ARC chamber acts as a safety net for the GDT and ensures that the overvoltage transient is discharged safely and effectively. The extinguishment of the arc also serves to prevent any more transients from occurring.

The ARC chamber of the 2056-25-ALF GDT is filled with a non flammable, conductive gas called sulfur hexafluoride (SF6). This gas is a molecular chain of fluorine and sulfur atoms, and it acts to reduce the arc voltage while also increasing the arc current. This provides added protection from electrical transients, as well as reducing the amount of energy that is lost due to currents in the GDT.

The 2056-25-ALF GDT also features a thermal energy dissipating device, which helps to lower the temperature of the device during a peak overvoltage transient event. This device is in the form of a pressure-actuated mechanism, which is opened as the internal pressure of the GDT builds up due to the heat generated by the electrical arc. This pressure-actuating mechanism is designed to ensure that the internal pressure of the GDT does not exceed its rated tolerance limits, thus helping to prevent the device from being damaged.

The 2056-25-ALF GDT is designed to protect electronic devices and systems from high-voltage transient effects. It utilizes a combination of electrode breakdown, SF6 gas, and pressure actuation to provide a safe and effective means of reducing the damages caused by transient events. From its 8-25KV operating voltage range, up to 25KV transient peak attenuation capacity, and a thermal energy dissipating device, the 2056-25-ALF GDT is an ideal solution for protecting sensitive electronic devices and systems.

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