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ASJ系(xi)列(lie)智能剩余電(dian)流繼電(dian)器（48外形）可與低(di)壓斷路(lu)器或(huo)低(di)壓接(jie)觸(chu)器等(deng)組成(cheng)組合式的(de)剩余電(dian)流動作保(bao)護器，主要(yao)適用于(yu)交流50Hz，額(e)定(ding)電(dian)壓為400V及以(yi)下的(de)TT或(huo)TN系(xi)統配電(dian)線(xian)路(lu)，防止接(jie)地故障電(dian)流引起(qi)的(de)設備和電(dian)氣(qi)火災事故，也(ye)可用于(yu)對人身觸(chu)電(dian)危險提(ti)供間接(jie)接(jie)觸(chu)保(bao)護。

ASJ剩(sheng)(sheng)余(yu)電(dian)流繼電(dian)器(qi)（新）可(ke)與低(di)壓斷路器(qi)或(huo)低(di)壓接(jie)(jie)觸(chu)器(qi)等(deng)組成組合(he)式的剩(sheng)(sheng)余(yu)電(dian)流動(dong)作(zuo)保護器(qi)，主(zhu)要適用于交流50Hz，額(e)定電(dian)壓為(wei)400V及以(yi)下(xia)的TT或(huo)TN系統(tong)配電(dian)線路，防止(zhi)接(jie)(jie)地故障(zhang)電(dian)流引起的設備和電(dian)氣火災(zai)事(shi)故，也可(ke)用于對人(ren)身(shen)觸(chu)電(dian)危險提供間接(jie)(jie)接(jie)(jie)觸(chu)保護。

ASJ系(xi)列(lie)導軌式智能電(dian)(dian)(dian)(dian)力繼電(dian)(dian)(dian)(dian)器(qi)可與低壓(ya)(ya)斷路(lu)器(qi)或低壓(ya)(ya)接(jie)(jie)觸(chu)器(qi)等組成(cheng)組合式的(de)剩余電(dian)(dian)(dian)(dian)流(liu)(liu)動作保(bao)護器(qi)，主要適用(yong)(yong)于交(jiao)流(liu)(liu)50Hz，額定電(dian)(dian)(dian)(dian)壓(ya)(ya)為(wei)400V及以(yi)下的(de)TT或TN系(xi)統(tong)配電(dian)(dian)(dian)(dian)線路(lu)，防止(zhi)接(jie)(jie)地(di)故障電(dian)(dian)(dian)(dian)流(liu)(liu)引起的(de)設備和電(dian)(dian)(dian)(dian)氣火(huo)災事故，也可用(yong)(yong)于對人身觸(chu)電(dian)(dian)(dian)(dian)危(wei)險提(ti)供間接(jie)(jie)接(jie)(jie)觸(chu)保(bao)護。

ASJ智能(neng)剩(sheng)余電(dian)流繼(ji)(ji)電(dian)器(qi)(qi)AcrelASJ系(xi)列智能(neng)電(dian)力繼(ji)(ji)電(dian)器(qi)(qi)系(xi)列繼(ji)(ji)電(dian)器(qi)(qi)可與(yu)低壓(ya)斷路(lu)器(qi)(qi)或(huo)低壓(ya)接(jie)觸(chu)器(qi)(qi)等組成組合式的(de)(de)剩(sheng)余電(dian)流動(dong)作保(bao)護器(qi)(qi)，主要(yao)適用于交流50Hz，額定(ding)電(dian)壓(ya)為400V及以下的(de)(de)TT或(huo)TN系(xi)統配(pei)電(dian)線(xian)路(lu)，防止(zhi)接(jie)地(di)故障電(dian)流引起的(de)(de)設備和電(dian)氣(qi)火災事故，也可用于對人身觸(chu)電(dian)危險提供間接(jie)接(jie)觸(chu)保(bao)護。

　ASJ系(xi)列數字式(shi)量度繼(ji)電(dian)(dian)器(qi)（以下(xia)簡稱(cheng)繼(ji)電(dian)(dian)器(qi)），采(cai)用32位高性能CPU，實時采(cai)樣三相交流(liu)電(dian)(dian)流(liu)、三相交流(liu)電(dian)(dian)壓信號，采(cai)用有(you)效值計算方(fang)法，在較(jiao)寬的頻(pin)率范圍(wei)內實現(xian)了較(jiao)高精度的測量。