瀏覽導航
瀏覽導航
用(yong)來保護線路和(he)風機的過載(zai)及短(duan)路。
本電(dian)(dian)(dian)控(kong)箱(xiang)(xiang)電(dian)(dian)(dian)源為三(san)相五線制供電(dian)(dian)(dian)，三(san)相電(dian)(dian)(dian)源可上進，也可下進。接(jie)至電(dian)(dian)(dian)控(kong)箱(xiang)(xiang)底部的(de)端(duan)子排中，裝設的(de)自(zi)動空氣開關(guan)QF作(zuo)雙速風機短路保護(hu)，熱(re)繼電(dian)(dian)(dian)器FR用(yong)作(zuo)低速過載保護(hu)。
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