In this paper, the structural principle, key functions as well as leading technical index are introduced for the electric leakage alarm in well repair workshop.
介绍了修井值班房漏电报警器的结构原理和主要功能及主要技术指标。
Fuse, leakage, electric shock protection switch, over-temperature alarm and two-level dual protection.
熔断丝，漏电，触电保护开关，超温报警及二级双重保护功能。
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