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"Air" and "Vacuum" describe how the breaker extinguishes the arcing current. An Air breaker opens far enough that the dielectric strenght of air is enough to extinguish the arc. A vacuum breaker's contacts are in a vacuum. Oil breakers use oil. SF6 breakers use SF6 gas to extinguish the arc.

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13y ago
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11y ago

air circuit breaker is use air to break acircuit and its used in low tention side only ..vacuum circuit breaker side vacuum was used to break a circuit its used in high tention

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Q: What is the difference between Air circuit breaker and Vacuum circuiut breaker?
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