There are a lot of people who can't distinguish between air switches and leakage switches, and they can't distinguish their functions. So when the main gate of the power supply is involved, ask, both of them are disconnected circuits, and the air switch and the leakage switch can Are they replacing each other?
The total gate can be divided into two types, one is a normal air switch without leakage protection, and the other is a leakage air switch with leakage protection. Both of these switches have the function of disconnecting the circuit. Is it possible to install the leakage switch at home?
First, let's first understand what is the air switch and the leakage switch:
1, air switchAir switches are also known as air circuit breakers. The principle of the air switch is to use air as the insulating medium to turn on the current in the circuit, so that the component generates heat, which causes the inner bimetal to be bent after being subjected to heat, pushing the lever to open the locked lock and cut off the power supply. The air switch will automatically trip itself to achieve a protection current. In general, the situation of automatic tripping is due to problems such as excessive load on the circuit or short circuit. The opening of the buckle is a lever device, and the pushing of the lever can open the buckle to achieve the purpose of automatic tripping.
The primary effect of the air switch is over-current maintenance. When the current it checks suddenly increases or presents a short circuit, it will immediately block the circuit agilely to prevent overload and short circuit. If the power supply is not blocked in time when the overload occurs, the electric wire will heat up and even cause fire, which will form a serious fire safety hazard, so the effect of the air switch is to maintain the circuit.
2, leakage switchThe leakage switch, its function is that there is a small chip in the center, there are two things on the chip called winding, one main one, the main winding is divided into two windings, namely output and input current Winding. If no leakage occurs, the output current is equal to the incoming current, so the vector of the two fluxes on the chip is zero, and no safety accidents will occur on the windings. Once the human body is detected as electric shock or leakage or open circuit, it will automatically trip, but its general design current is relatively small, so the main function of the leakage switch is to protect our personal safety, mainly used in electric circuits such as air conditioners or water heaters. Up, and if you want to protect the entire circuit, you still have to rely on ordinary air switches.
Is the air switch good or the leakage switch good? Can the two replace each other?
First of all, both are switches, and they can be powered off in time when circuit load and leakage occur, to protect people and families. The difference is that the leakage protection will be disconnected when someone is electrocuted, mainly to protect people's personal safety. The open is the disconnection of the entire circuit in the home when it is faulty or short-circuited, to protect the entire circuit and electrical appliances.
The two are the same, but they are totally different. The value of the air opening current can be large or small, but the leakage switch is very small. The current of the air switch is large and accepts less capacity. However, the current capacity of the leakage protection switch is relatively small. Because the human body cannot withstand too much current, it can cause damage to the human body. Therefore, the functions of the two power switches are different, and they cannot be replaced with each other.
The air switch and the leakage switch can not be confused. Generally, the air switch is used as the main switch. Because the air switch can be protected, or the air switch with leakage protection function can be selected, the switch has the functions of overload, short circuit protection and leakage protection. . Therefore, the circuit decoration of the home is generally combined with the air switch and the leakage switch.
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