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What is a Vacuum Switchgear ?

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What is a Vacuum Switchgear ?

Vacuum Switchgear Definition

Vacuum switchgear is defined as a type of electrical switchgear that uses a vacuum as the arc quenching medium, providing high reliability and low maintenance.

Dielectric Strength

Vacuum switchgear offers high dielectric strength, allowing for smaller contact gaps and effective arc quenching.

Low Arc Energy

The energy dissipated during arcing in vacuum switchgear is much lower than in other types, resulting in minimal contact erosion.

Simple Driving Mechanism

A vacuum switchgear’s driving mechanism is simpler due to the absence of a medium and the small contact gap, requiring less driving energy.

Rapid Arc Quenching

Metal vapor produced during arcing re-condenses quickly in vacuum switchgear, ensuring fast recovery of dielectric strength.

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