zzw.w 发表于 2015-9-1 18:36 static/image/common/back.gif
用直接插在接触器上的直插式热继电,还有断相,相序保护。
file:///c:/documents and settings/administrator/application data/360se6/User Data/temp/20140125004955-250782342.jpgfile:///c:/documents and settings/administrator/application data/360se6/User Data/temp/20140125004955-250782342.jpg 建议装上热继电器
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