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真空開關裝好為什么加交流接觸器?
發布時間: 2016年10月12日 【字體:

  真空開關裝好為什么加交流接觸器?

  出于安全考慮:用接觸器控制避免了人直接用手去合閘電機立即就啟動可能會產生弧光或收觸及線路的危險;

  便于控制:通過按鈕開關等給接觸器線圈電來實行遠程控制,或用plc通過繼電器進行自動化控制。


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