What Is The Difference Between Air Circuit Breaker And Vacuum

When it comes to protecting electrical systems from damage, air circuit breakers and vacuum breakers are two of the most commonly used solutions. But what’s the difference between them?

Air circuit breakers use compressed air to create an arc which breaks the circuit if an overload condition occurs. The arc is then quickly extinguished by a blast of air from the breaker, thus interrupting the current flow. This type of breaker is used in high-voltage applications, since it can withstand higher temperatures than other types of breakers. It is also suitable for use in industrial environments where there is a lot of dust and dirt.

Vacuum breakers, on the other hand, use a vacuum tube to open and close the circuit. When a current overload occurs, the vacuum tube is triggered and a vacuum is created within the tube, which causes the contact points to separate and break the circuit. This type of breaker is often used in low-voltage applications, since it is not as reliable as an air breaker when dealing with higher voltages. Additionally, they are much smaller and more compact than air breakers, making them ideal for tight spaces.

Ultimately, both air circuit breakers and vacuum breakers are effective ways to protect electrical systems from dangerous overloads. The key difference between them is the way in which they open and close the circuit when an overload occurs. Air circuit breakers are better suited to high-voltage applications, while vacuum breakers are better for low-voltage applications. When choosing the right breaker for your needs, it is important to consider the voltage requirements of your system and the environment it is operating in.

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