B88069X4051T902 Circuit Protection

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Gas Discharge Tube Arresters (GDT)

  Gas discharge tube (GDT) arresters is a high-voltage protective device specialized in limiting transient and excess voltage caused by induction, switching, nearby lightning strikes, etc. In order to minimize the impact on networks and protect circuit terminals, GDT arresters contain a GDT or combination of GDT and other components and can be used in both AC and DC connected systems. The specific type of GDT arrester we will be discussing today is the B88069X4051T902.

  The B88069X4051T902 GDT arrester is designed to provide protection against transient surge voltages and for short-circuit currents. It has a maximum operating voltage of 40V, a maximum discharge current of 10A, a maximum peak voltage of 31V, and a maximum operating temperature of 80°C. The arrester can be used in many different application fields, such as railway and industrial systems, with the different applications playing a large role in determining which GDT arrester is needed. The B88069X4051T902 GDT arrester is well suited for GDT protection in areas of low-voltage application and large loads.

  The B88069X4051T902 GDT arrester’s working principle is based on a gas gap, which allows the flow of arc current between two electrodes. There is a certain voltage at which ionization and breakdown of the gap occurs. Upon breakdown, the gap limits the current flow. The GDT arrester is able to cross the path of the current and reduce or eliminate the voltage. The gas gap is filled with a gas mixture containing hydrogen, helium, and nitrogen, and is designed to prevent radio interference.

  The advantage of using this GDT arrester is its ability to provide reliable protection with low residual voltage during normal operations while preventing thermal and electrical degradation of the circuit. The GDT arrester also features a thermostatically controlled cooling fan which helps to ensure the longevity of the device. The B88069X4051T902 GDT arrester should be installed in an area where the ambient temperature is below 80°C and the environmental humidity is between 40% and 80%.

  In conclusion, the B88069X4051T902 GDT arrester is an effective and reliable protection device in any system which requires lightning and surge protection. The GDT arrester is suitable for applications in railway and industrial systems and can withstand a maximum peak voltage of 31V while operating at temperatures of up to 80°C. The working principle of the GDT relies on the gas gap, which is filled with a gas mixture and allows for the flow of arc current between two electrodes. The thermostatically controlled cooling fan improves the longevity of the GDT arrester and allows for reliable protection with low residual voltage.

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