V275LA20CPX2855

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TVS (transient voltage suppression) devices, also known as varistors, provide protection from transient voltage or electrical surges that damages sensitive electronic circuits. An MOV (metal-oxide varistor) is one example of a TVS device. The V275LA20CPX2855 is a Varistor-MOV, designed to limit surge current during peak transient voltage events on medium voltage distribution lines in SPD (surge protection devices) applications.

Working Principle of V275LA20CPX2855 MOV Varistor

The V275LA20CPX2855 Varistor-MOV works to limit the surge current during transient voltage events on lines with medium voltage distribution. When a transient voltage event occurs, such as a power outage, the Varistor-MOV dissipates the transient energy through a process called “non-linear resistance.” This process occurs when the Varistor-MOV’s varistor material rapidly changes its electrical resistance inversely between the applied voltage and current on the MOV, with the resistor acting like a short circuit.

This rapid change results in the MOV having an extremely high resistance to reduce the peak surge current, while still allowing a low current to flow in its normal, linear state. This allows the MOV to protect the sensitive electronic circuits from potential damage by dissipating some of the energy away and diverting the negative current away from the circuit.

Applications of V275LA20CPX2855 MOV Varistor

The V275LA20CPX2855 MOV Varistor is ideal for medium voltage surge protection applications such as surge protection devices (SPDs) for overhead lines, utility substations, and building protection systems, and other applications including medium voltage lines, transformers, and motors. In these applications, the V275LA20CPX2855 MOV Varistor is used to protect sensitive electronic devices by providing the necessary protection against transient voltage and current surges.

The Varistor-MOV also works perfectly as a lightning arrester for both low and high voltage applications. By functioning as a surge protector, the Varistor-MOV helps to ensure the safety of electrical systems from damage from lightning surges and other transient events.

The V275LA20CPX2855 Varistor-MOV is also commonly used in motor control systems, as its high current capability makes it ideal for protecting motors from voltage spikes. Additionally, the Varistor-MOV is useful for protecting sensitive electronic equipment in industrial applications, such as medical equipment, robots, and computer systems.

Conclusion

In summary, the V275LA20CPX2855 Varistor-MOV is a TVS device designed specifically for medium voltage surge protection applications, such as surge protection devices on overhead lines, transformers, motors, and industrial applications. By providing protection against transient voltages and current surges, the Varistor-MOV helps to ensure the safety of electronic devices and electrical systems from possible damage.

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