Why does the leakage switch trip the difference between the leakage switch and the air switch

The leakage switch can play a protective role. According to the working principle of the protector of the leakage switch, it can be roughly divided into three types: current type, voltage type and pulse type. The voltage type protector can be used as the earth point and neutral point of the transformer. When an electric shock hazard occurs, the neutral point will deflect to the earth point, so as to achieve an action of cutting off the power supply, which has a very good effect on protecting the power supply. Next, I will introduce why the leakage switch trips and the difference between the leakage switch and the air switch.

Why does the leakage switch trip

1. Poor installation

If the installation is not firm, loosening will cause the pile to heat and oxidize, burn out the outer insulation of the wire, emit a burning smell, cause a short circuit in the circuit, and the air switch will operate.

2. The leakage switch does not match the load

The actual electrical load is greater than the rated current of the line low-voltage circuit breaker. It mainly occurs in newly installed high-power household appliances such as air conditioners, water heaters, and refrigerators. At this time, the matching air switch must be replaced.

3. Electric appliance or line leakage, short circuit

When electrical leakage occurs, simply unplug the leakage electrical appliance and then close the low-voltage circuit breaker to send power. After the low-voltage circuit breaker has tripped, the shunt must be opened, and then closed one by one to send power. When a circuit is closed and the low-voltage circuit breaker fails to power on, then the branch may be faulty, and this circuit should be disconnected and the other branches closed for power transmission.

4. The power supply line voltage is too high

At this time, you should see whether the two lines are live, and then see whether the left and right neighbors are also tripped. You can also use a multimeter to measure the incoming voltage. However, do not close the low-voltage circuit breaker forcibly, otherwise it will burn the electrical appliances and even cause a fire.

Difference between leakage switch and air switch

The leakage switch is mainly used to prevent the human body from contacting and leaking electricity, and it does not play a role in overloading the circuit; the air switch is mainly used to prevent the circuit from being overloaded, to prevent electric shock, and to act as a fuse. The working principles of the two are different, and the resulting security protection is also different.

Difference between leakage switch and air switch 2

The leakage switch can protect the algebraic sum of the loop current neutral line and the internal phase line; and the air switch will trip due to the excessive weight of the circuit, protecting the safety of electricity.

Difference between leakage switch and air switch

The leakage switch has a protective effect relative to the small circuit, detecting circuit equipment, protecting human safety and equipment safety; and the air switch is through the live wire and the neutral wire, and the current between the two wires is too large, causing a trip.

Editor's summary: The reason why the leakage switch tripped and the difference between the leakage switch and the air switch is introduced here. I hope it will be helpful to everyone. If you want to know more related knowledge, you can pay attention to the information on this website.

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Leakage switch