The earth leakage protectivedevice is mainly used to protect personal safety from leakage of electricity in the equipment.
漏电保护器主要是用来在设备发生漏电故障时以及对有致命危险的人身触电进行保护。
2
In order to reduce the power cut off which caused by electric shock accident and earth-fault power cut off, it must install residual current operated protectivedevice.