below Jiangsu Starlight to give you a summary, so that we can understand clearly.Īir switch tripped for some reason, the action of the air switch action is also the moment of trip, the air switch contact will separate, and an arc will be generated between the separated contacts. The above said that the air switch arc extinguishing medium is air, so how does it use air to extinguish the arc? The air switch arc extinguishing is a complicated process. Therefore, air switches are mainly named according to their way of arc extinguishing, and the medium of air switch arc extinguishing is air.Īrc Extinguishing Principle of Air Switch When the air switch automatically disconnects the switch, there will be an arc at this time, and the air switch uses air as the medium of arc extinguishing to automatically cut off the circuit. This can effectively prevent the circuit from burning out due to excessive current. The air switch used in our home is one of the low voltage circuit breakers.ģ) If we divide according to the arc extinguishing mode of the switch, then the circuit breaker can be divided into multi-oil circuit breaker, oil-less circuit breaker, sulfur hexafluoride circuit breaker, vacuum circuit breaker, compressed air circuit breaker, air circuit breaker, SF6 combination electric appliance.Ĥ) Therefore, the air switch is divided according to the arc-extinguishing method of the circuit breaker, so as to obtain a name.Īir switch is used in our home, as long as the current in the circuit exceeds the rated current of the air switch, the air switch automatically disconnects and then cuts off the power supply. And what we call an air switch, it is a circuit breaker, a kind of circuit breaker.Ģ) The circuit breaker can be divided into high voltage circuit breaker and low voltage circuit breaker according to the range of its use, that is, the installation location. So now a friend asks such a question: why is an air switch called an air switch? What does it have to do with air? To understand this problem, we need to understand the air switch classification and how it works.ġ) Switches, including our common circuit breakers, disconnectors, fuses, etc. Each of our families has a distribution box, and the switches in the distribution box are air switches, whether with or without leakage, they are air switches. Air switch, I think everyone has heard of it.
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