发布日期:2022-10-25 点击率:79
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在变频器的交流电源输入端一般用空气开关作为变频器的上电和停电,不能接<a title="施耐德交流接触器" href="http://www.51spec.com/pinpaishow.asp?categoryid=310&id=830" target="_blank">接触器。控制和启停变频器一般有操作面板控制和外部端子控制两种方式。用操作面板控制方式,就不需要接触器;如果用外部端子控制方式,需要接触器。
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