The leakage protector, commonly known as the leakage switch, can not only protect the personal safety, but also supervise the insulation of the low-voltage system or equipment. But don't think that after installing the leakage protector, you can be foolproof and should be precautionary (because it is only an additional protection in the basic protection measures). Only by understanding the role of the leakage protector and correctly using the leakage protector is the fundamental guarantee for achieving safe use of electricity.

Therefore, the following should be noted during the use of the leakage protection switch:

1. After the leakage protection switch is put into operation, it should consciously establish an operation record and improve the corresponding management system;

2. After the leakage protection switch is put into operation, under the power-on state, press the test button once or twice a month to check whether the leakage protection switch is normal and reliable, especially in the thunderstorm season.

3. Regularly analyze the operation of the leakage protection switch and replace the faulty leakage protection switch in time;

4. The maintenance of the leakage protection switch should be carried out by professionals. If there is any abnormality during operation, it should be handled by an electrician to avoid expanding the scope of the accident;

5, after thunderstorm or other unexplained reasons to make the leakage protection switch action, should be checked and analyzed;

6. After the leakage protection switch is operated, if the cause of the accident is not found after inspection, the test is allowed to be closed once. If it is operated again, the cause should be identified, the fault should be found, and if necessary, the action characteristic test should be carried out, and the power transmission should not be forced continuously. Except that it is confirmed by the inspection that the leakage protection switch itself has failed, it is strictly forbidden to remove the leakage protection switch forcibly sending power;

7. Before the leakage protection switch of the exiting operation is used again, the action characteristic test shall be carried out according to the items specified by the relevant department;

8. The operating characteristics of the leakage protection switch are set by the manufacturer and used according to the product manual.

9. After an accidental electric shock accident occurs within the protection range of the leakage protection switch, the operation of the leakage protection switch should be checked, and the reason for failing to protect the function should be analyzed. The site should be protected before the investigation, and the leakage protection should not be removed. switch;

10. In order to check the operating characteristics and changes of the leakage protection switch during operation, the operational characteristics test should be performed periodically. The characteristic test items include: testing the leakage current value, testing the leakage current value, and testing the breaking time;

11. When the leakage protection switch is tested for operational characteristics, special test instruments that have passed the test of relevant national departments shall be used. It is strictly forbidden to use the test method of direct contact with the grounding device.

12. In addition to the periodic test of the leakage protection switch, the leakage protection switch should be regularly checked and maintained according to the requirements of the low-voltage electrical equipment.

13. The line after the installation point of the leakage protector should be insulated from the ground. If the insulation to the ground is reduced and the leakage current exceeds a certain value (usually around 15 mA), the protector will operate and cut off the power. Therefore, it is required that the ground insulation of the line must be good, otherwise it will often cause malfunction and affect normal power consumption.

14. Lighting and other single-phase power loads should be evenly distributed to the three-phase power line. When the deviation is large, adjustment should be made to make the leakage currents of each phase approximately equal; when the low-voltage line is buried, the length of the three phases should be similar.

15. After each action of the leakage protector, immediately identify the cause, and then re-invest and resume power transmission after the fault is removed. It is strictly forbidden to forcibly electrify, and it is not allowed to be taken out of operation to ensure safe use of electricity.

16. The leakage protector is the user's asset. The user should strengthen the management and routine maintenance during the use of the leakage protector, and test it regularly. Press the test button every month under the power-on state to check whether the action is reliable, to ensure that it is intact and found The problem should be dealt with in a timely manner, and it cannot be replaced in time.

17. The leakage protector should be installed in a dry place to avoid the erosion of rain, dust and harmful gases. It can be installed in the same meter box as the electricity meter and fuse box. The leakage protector should be installed under the fuse box. The wiring should not be reversed or reversed, and should be installed vertically. The pressure line nut should be tightened.

18, the leakage protector is installed and checked without errors, and the test button is checked for normal operation before it can be put into use.

19. In places with high humidity, high temperature, large metal occupation coefficient and other well-conducted places, an independent leakage protector must be installed. Do not use one leakage protector to protect more than two devices (or tools) at the same time.