主令控制器(又稱主令開關)主要用于電氣傳動裝置中,按一定順序分合觸頭,達到發布命令或其它控制線路聯鎖.轉換的目的。按其結構型式可分為凸輪調整式和凸輪非調整式主令控制器兩種,其動作原理與萬能轉換開關相同,都是靠凸輪來控制觸頭系統的關合。不同形狀凸輪的組合可使觸頭按一定順序動作,而凸輪的轉角是由控制器的結構決定的,凸輪數量的多少則取決于控制線路的要求。
主令電器主要用于切換控制電路，通過它來發出指令或信號以便控制電力拖動系統及其它控制對象的起動.運轉.停止或狀態的改變。根據被控制線路的多少和電流的大小,主令電器可以直接控制,也可以通過中間繼電器進行間接控制。
主令電器按其功能分為五類:
1.控制按鈕
2.萬能轉換開關
3.行程開關
4.主令控制器
5.其它主令電器
優勢供應施耐德無3C認證主令開關！歡迎咨詢！
XEA-B15361
XEA-B25361
XEA-C15361
XEA-C25361
XEDS1231
XEDS1241
XEDS2111
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XENC1111
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