瀏覽導航
瀏覽導航
用(yong)來保護線(xian)路和風(feng)機(ji)的過載及短路。
本電(dian)(dian)(dian)控箱(xiang)電(dian)(dian)(dian)源(yuan)為三相五(wu)線(xian)制供電(dian)(dian)(dian)，三相電(dian)(dian)(dian)源(yuan)可上進，也可下進。接至電(dian)(dian)(dian)控箱(xiang)底部的端子排(pai)中，裝設的自動空氣開(kai)關QF作(zuo)雙(shuang)速風機短路(lu)保護，熱繼電(dian)(dian)(dian)器FR用作(zuo)低(di)速過載保護。
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