Precautions during the use of remaining residual current circuit breakers

Update date:2018-05-22 Source:MAXGE

Leakage circuit breakers can both protect people's safety and supervise the insulation of the low-voltage system or equipment. But do not think that after installing the leakage protector, you can be foolproof and careless, and you should still focus on prevention (because it is only an additional protection in basic protection measures).

Therefore, the following matters should be taken into account when using the leakage protection switch:

leakage protection switch

1. After the leakage protection switch is put into operation, it shall 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, the test button shall be pressed 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;

Leakage circuit breakers

4. The maintenance of the leakage protection switch shall be carried out by a professional. In case of abnormal operation, an electrician shall be found to avoid increasing the scope of the accident.

5, after thunderstorms or other unexplained causes of leakage protection switch action, should be checked and analyzed;

6. After the leakage protection switch is actuated, if the cause of the accident is not found after inspection, it is allowed to test and close the brake once. If it moves again, the cause should be ascertained, the fault must be found, and if necessary, the operating characteristic test should be conducted. Continuous forced power transmission is not allowed. In addition to the failure of the leakage protection switch itself after inspection, it is forbidden to remove the leakage protection switch and forcefully send power;

residual current circuit breakers

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


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www.maxge.com All Rights Reserved.

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