What is the main advantage of using a vacuum circuit breaker?

What is the main advantage of using a vacuum circuit breaker?

Step 1: Understand what a vacuum circuit breaker is. It is a type of electrical switch that can open and close circuits in a vacuum environment.
Step 2: Identify the main advantages of using a vacuum circuit breaker.
Step 3: Recognize that one advantage is low cost, meaning it is affordable to use.
Step 4: Note that vacuum circuit breakers have high insulation strength, which means they can prevent electrical leaks effectively.
Step 5: Acknowledge that they are compact in size, making them easier to install and fit into smaller spaces.
Step 6: Conclude that these advantages make vacuum circuit breakers useful in many electrical applications.

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