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怎样判断接触器好坏
更新时间: 2020-10-30 00:00:00  

判断交流接触器好坏主要三个方面:交流接触器线圈好坏,主触点好坏,辅助触点好坏。

1、线圈好坏判断:常见的接触器线圈电阻一般为几百欧,注意万用表的量程,电阻档2K欧姆。

2、主触点好坏判断:万用表蜂鸣档或者二极管档测量,注意万用表量程,留意测量前后触点变化,3对主触点都是常开点NO,动作后闭合。

3、辅助触点好坏判断:万用表蜂鸣档或者二极管档测量,注意万用表量程,留意测量前后触点变化,辅助常开点NO,动作后闭合,常闭点NC,动作后断开。

关键词: 怎样 判断 接触 好坏

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