B88069X1273S102

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Gas Discharge Tube Arresters (GDT) are important components used for protection in the electrical distribution system. GDTs provide protection against over-voltages and transients caused by lightning strikes and switching operations. B88069X1273S102 is an arrestor designed to protect against short over-voltages of up to 12.73 kV. It is a bidirectional, three-element Metal Oxide Varistor (MOV)-type surge arrestor.

B88069X1273S102 is designed for use in high voltage power distribution systems. It is used in power grids, substations, and consumer household power systems. It is designed to absorb momentary over-voltage surges without sacrificing efficiency or reliability. It can also be used in other applications such as in electrical equipment or automotive systems.

The working principle of B88069X1273S102 is based on the principle of a Metal Oxide Varistor. A MOV is a voltage-dependent resistor, which means that its resistance varies with the applied voltage. When the voltage is below the specified threshold voltage, the MOV operates like an open circuit. However, when the voltage exceeds its specified threshold voltage, the MOV operates like a closed circuit and its resistance reduces drastically, allowing the current to flow through it. This sudden reduction in resistance efficiently limits the voltage by dissipating the excessive energy.

B88069X1273S102 is designed with two elements, a zinc oxide disk and a flame-resistant polymeric film, which are both encapsulated in an epoxy body. The zinc oxide disk is the main blocking element that operates with a stable voltage, often called the nominal operating voltage (Vnom). The flame-resistant polymeric film, on the other hand, serves as an auxiliary breakdown element that is designed to operate when the voltage exceeds Vnom and stores energy in its dielectric before trying to breakdown in a controlled way.

B88069X1273S102 has a variety of features that make it an ideal surge arrestor. Its flame-retardant compound helps to reduce the risk of fire hazards in the event of a breakdown. It is also designed with an over-voltage protection mode that switches off the power supply once the thermal fuse is activated. In addition, its built-in indicator light provides visual indication of the device’s status. This helps to ensure proper installations and reliable operation.

In conclusion, B88069X1273S102 is a three-element Metal Oxide Varistor-type surge arrestor which is designed to provide protection against over-voltages and transients. Its design is based on the principle of a Metal Oxide Varistor, which operates by reducing its resistance drastically when the voltage exceeds its specified threshold. It is designed with features such as flame-retardant compound and over-voltage protection mode, as well as a built-in indicator light for better control and reliability. It is widely used for protection in high voltage power distribution systems such as power grids, substations and consumer household power systems.

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