VP4032K122R230

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The VP4032K122R230 is an ultra-versatile and high-performance overvoltage protection device belonging the Varistors, MOVs (transient voltage suppressor-Metal Oxide Varistors) family. It comprises of an epoxy-encased discrete construction of multiple radial-lead Varistors peripherally secured in an aluminum can.

The VP4032K122R230 is suitable for use in transient UL/EN60601-1-2 applications per IEC requirements for medical-grade (Class II & III) equipment protection. It is widely used in systems with sizeable transient overvoltage occurrences such as surge protection, AC power line protection, and many others. It is highly-specific for applications in both industrial and medical sectors.

Application Field

The VP4032K122R230 is most suitable for high-temperature applications requiring medical-grade equipment protection. Its superior electrical characteristics make it a perfect choice for surge and power line protection, overvoltage protection, and even telecommunication protection applications.

In addition, its wide operating and environmental temperature range (from -40˚C to 125˚C) and effective stand-off voltage (240V AC) make it an ideal choice for a wide variety of applications. These include AC power line protection for medical equipment, industrial machinery, and other electrical products.

Working Principle

The operating principle of VP4032K122R230 is based on the conduction of an electric current from a displaced part of the element through a metal oxide medium. This creates a dynamically variable electric field that responds to transient overvoltage and prevents damage to the equipment.

When an overvoltage occurs, a voltage is created across the two terminals of the Varistor. This voltage then causes outward current flow in the Varistor and thus protecting the equipment by diverting the current away from the sensitive components.

By adjusting the dielectric constant of different layers, the VP4032K122R230 is capable of providing superior protection against AC power line transients. Additionally, its unsurpassed AC and DC leakage currents minimize power loss and maintain the system’s high reliability.

Conclusion

The VP4032K122R230 is an ideal choice for high-temperature applications requiring medical-grade equipment protection. Its wide operating and environmental temperature range, combined with its superior electrical characteristics, make it essential for surge and power line protection, overvoltage protection, and even telecommunication protection applications.

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