The function of the leakage protector is to effectively control the disconnection of the home circuit and the occurrence of leakage and electrical accidents. Therefore, the reasons for tripping can be divided into two types, one is normal tripping, and the other is abnormal tripping.
1. Normal tripping
If a leakage switch with a rated leakage action current of 30 mA has a leakage current of more than 25 mA in the load, the leakage switch will trip. Since 25 mA of current flows through the human body, it is safe, and there will be no electric shock death; the same will not cause danger to the circuit or electrical equipment, and the work of the electrical equipment will not produce abnormal phenomena.
2. Abnormal trip
This kind of tripping is caused by the unqualified quality of the leakage switch itself, which is divided into two types: failure to close and sometimes tripping without cause. When the leakage switch is connected to the power supply and not the load, if it cannot be closed, it must be a quality problem with the leakage switch. Do not repair it by yourself, because the repair must be carried out after the technical performance test before it can be put into use, and no test equipment is used. It is not safe to use after testing.
Abnormal trips are occasional trips, especially in the middle of the night or when there is no one in the house. This trip indicates that the anti-interference performance of the leakage switch is poor. The leakage switch with abnormal tripping should be removed and replaced with a good leakage switch.
1. There is a leakage fault in the load;
2. The "reset" button on the panel is not reset after the leakage protector protection is off;
3. The leakage protector itself fails, such as failure of the mechanical tripping device, breakdown of the electronic control circuit, etc.
Leakage protector can not push the solution
The first step is to remove the outlet end of the leakage circuit breaker. If it can be closed, it means that there is a problem with the circuit, and the circuit needs to be checked and then eliminated; the second case is that the circuit breaker cannot be closed, indicating that the circuit breaker is damaged and needs to be purchased. replace.
In addition, an overload trip has occurred, and the circuit breaker is very hot and cannot be closed at this time. You must wait for the temperature to drop before operating, and replace a larger circuit breaker.
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