QJZ真空電(dian)磁起動(dong)(dong)器(qi)主要(yao)適用(yong)于煤(mei)礦井(jing)下,作為(wei)遠距離或直接(jie)控(kong)制交流50Hz、電(dian)壓至(zhi)1140V的礦用(yong)隔爆三相(xiang)(xiang)鼠籠型(xing)異步(bu)電(dian)動(dong)(dong)機的起動(dong)(dong)與停止(zhi)。并可在停止(zhi)時、對電(dian)動(dong)(dong)機的控(kong)制電(dian)源進行(xing)換相(xiang)(xiang)操作
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