瀏覽(lan)導航
瀏覽(lan)導航
用來保(bao)護線路和風(feng)機的(de)過載(zai)及(ji)短路。
本(ben)電(dian)(dian)控(kong)箱電(dian)(dian)源為三相(xiang)五線制供(gong)電(dian)(dian)，三相(xiang)電(dian)(dian)源可(ke)上進，也(ye)可(ke)下進。接至電(dian)(dian)控(kong)箱底部的端子排中(zhong)，裝設的自(zi)動空氣開關QF作雙(shuang)速(su)風機短路保(bao)護(hu)，熱繼(ji)電(dian)(dian)器(qi)FR用作低速(su)過載保(bao)護(hu)。
.
