What is an air switch? What does it have to do with air?

In home renovation, safety and practicality are among the most important concerns. Electrical safety is paramount when using electrical equipment. An air switch is a common electrical device that plays a crucial role in many scenarios. So, why is it called an air switch? What does it have to do with air?

An air switch, also known as a circuit breaker, is an electrical device that automatically disconnects and connects circuits using air as the medium.

It protects electrical circuits and equipment from overloads, short circuits, and other faults.

Principle

When an air switch is working, if an overload or short circuit occurs in the circuit, the contacts of the air switch will quickly separate, cutting off the power supply.

After the fault is cleared, the contacts will reconnect, restoring power. Its principle mainly utilizes the insulating properties of air, using the air gap between the contacts to achieve the interruption and connection of current.

Functions and Advantages of Air Switches: Protection Function: The main function of an air switch is to protect electrical circuits and equipment from overloads, short circuits, and other faults.

When a problem occurs in the circuit, the air switch will quickly cut off the power supply to prevent damage to electrical equipment. Control Functions: Air circuit breakers also have control functions, enabling both remote and on-site control for convenient operation.

Advantages: The advantages of air circuit breakers lie in their fast response speed, providing timely protection for electrical equipment and preventing damage.

Furthermore, air circuit breakers have strong anti-interference capabilities, are not easily affected by external environmental factors, and operate stably and reliably.