B88069X2920C103

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Gas Discharge Tube Arresters (GDT) are an important type of electrical arrester used in a wide range of applications. The B88069X2920C103 is a member of this group of GDT products. This article provides an overview of its application field and working principle.

Overview of B88069X2920C103

The B88069X2920C103 is a high performance industrial grade GDT designed for surge protection and disconnection of large numbers of single-phase, three-phase, and DC installations. It is a modular product designed to provide enhanced safety and reliability to industrial as well as residential applications. The device measures 2.25” x 3.25” and features a maximum operating voltage of 250 volts. It is UL recognized, CSA certified, and carries a UL listed temperature class rating of up to 125°C.

Application Field

The B88069X2920C103 GDT is used to protect electrical appliances, equipment, and other circuits from over-voltage caused by lightning. It works as a failsafe device to prevent excess voltage from entering the system and causing damage. It is primarily used for applications that require a high degree of safety and reliability such as medical equipment, industrial automation, aircraft avionics, communications, and control systems. The B88069X2920C103 is also suitable for the protection of computers, servers, and other sensitive electronic components from lightning strikes or other high energy surge events.

The GDT is ideal for applications that require a long protection duration as well as high peak current. It is also commonly used to protect against power system faults, such as short circuits, phase-to-phase faults, and line-to-ground faults.

Working Principle

The B88069X2920C103 GDT is a type of metal oxide varistor (MOV) that is designed to operate in an environmentally friendly way. The device works on the principle of thermal runaway, where the surge current causes an increase in temperature which, in turn, causes a decrease in resistance until the MOV reaches a temperature that is too high for operation. The MOV then stops conducting current and the system overwhelms the surge, thus protecting the components.

When a surge is detected, the GDT increases its resistance, which increases the fire hazard. This is due to the fact that current is concentrated onto a small area of the device and this causes the device to heat up which, in turn, causes an even higher resistance. This additional resistance quickly dissipates the over-voltage spikes and provides safe power to the system.

The B88069X2920C103 GDT has several features that make it well-suited for demanding industrial applications. These features include over-voltage protection, over-current protection, and over-temperature protection. It also has a fast response time and a low leakage current. All of these features make it an ideal choice for surge protection and reliable system performance.

Conclusion

The B88069X2920C103 GDT is an important device for protecting electrical systems. It is designed for a range of industrial and residential applications and comes with many features that make it suitable for a variety of purposes. It is UL recognized, CSA certified, and carries a UL listed temperature class rating of up to 125°C. This makes it a reliable choice for protecting sensitive equipment and systems from surge damage.

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