介绍了DZL1 1 8系列漏电断路器产品的故障分类及其分布，分析了故障原因。
The classification of failure and its distribution of DZL118 series residual current operated protective device were introduced, the causes of failure were analyzed.
上海希门电气有限公司成立于1995年，专业生产高分断小型断路器，漏电断路器等系列产品。
Shanghai wishdoor electric Co. , LTD. Was established in 1995, specializing in the production of high marks, broken small circuit breaker leakage circuit breaker etc series products.
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