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JD-8電(dian)(dian)動(dong)(dong)機(ji)保護器主要用(yong)于交流頻率50HZ，額(e)定(ding)絕緣電(dian)(dian)壓690V以下的電(dian)(dian)力系統中作低壓三相(xiang)交流異(yi)步電(dian)(dian)動(dong)(dong)機(ji)的過載(zai)、斷相(xiang)等故障保護。 JD-8E無功(gong)耗設定(ding)電(dian)(dian)動(dong)(dong)機(ji)保護器,JD-8F無功(gong)耗設定(ding)電(dian)(dian)動(dong)(dong)機(ji)保護器

JD-8電(dian)動(dong)機保(bao)護(hu)器(qi)主(zhu)要用于交流(liu)頻率50HZ，額定(ding)(ding)絕緣電(dian)壓690V以下的(de)電(dian)力系統中作低壓三相(xiang)交流(liu)異步電(dian)動(dong)機的(de)過(guo)載、斷相(xiang)等故障保(bao)護(hu)。 JD-8C無功耗(hao)(hao)設定(ding)(ding)電(dian)動(dong)機保(bao)護(hu)器(qi),JD-8D無功耗(hao)(hao)設定(ding)(ding)電(dian)動(dong)機保(bao)護(hu)器(qi)

JD-8電(dian)(dian)動機(ji)保(bao)(bao)護(hu)(hu)(hu)器(qi)主要用于(yu)交(jiao)流(liu)頻率(lv)50HZ，額定絕緣電(dian)(dian)壓690V以下的電(dian)(dian)力系統中作(zuo)低壓三相(xiang)交(jiao)流(liu)異步電(dian)(dian)動機(ji)的過(guo)載、斷(duan)相(xiang)等故(gu)障保(bao)(bao)護(hu)(hu)(hu)。 JD-8A無(wu)功(gong)耗設定電(dian)(dian)動機(ji)保(bao)(bao)護(hu)(hu)(hu)器(qi),JD-8B無(wu)功(gong)耗設定電(dian)(dian)動機(ji)保(bao)(bao)護(hu)(hu)(hu)器(qi)

JD-8電(dian)(dian)(dian)動機(ji)保護器主要用于交流(liu)頻率50HZ，額定絕緣(yuan)電(dian)(dian)(dian)壓690V以下(xia)的(de)電(dian)(dian)(dian)力系(xi)統中作低壓三相交流(liu)異步電(dian)(dian)(dian)動機(ji)的(de)過(guo)載、斷相等故障保護。 JD-8無功耗設定電(dian)(dian)(dian)動機(ji)保護器