ZJL-1140(660)礦(kuang)用隔爆兼(jian)本(ben)安型低壓選擇性漏電(dian)保護裝置 適(shi)用于660V和1140V中性點不接(jie)地(di)、中性點經高阻接(jie)地(di)或中性點經零序電(dian)抗(kang)器(qi)接(jie)地(di)補(bu)償(chang)的低壓供(gong)電(dian)系統(tong)。該產品適(shi)用于煤礦(kuang)井下(xia)等含有可燃性氣體(ti)、粉塵環境。

        功能(neng)包括橫向選漏(lou)保(bao)(bao)護和(he)縱向選漏(lou)保(bao)(bao)護、集中性漏(lou)電(dian)(dian)保(bao)(bao)護和(he)分(fen)散(san)性漏(lou)電(dian)(dian)保(bao)(bao)護，裝置(zhi)不僅能(neng)保(bao)(bao)證被保(bao)(bao)護的低壓電(dian)(dian)網(wang)任何線(xian)路(lu)上(shang)發生人身觸電(dian)(dian)或經1KQ電(dian)(dian)阻接地的電(dian)(dian)故(gu)障，其保(bao)(bao)護動作時間不超(chao)出30mA·S:而且能(neng)對(dui)漏(lou)電(dian)(dian)故(gu)障進行定性和(he)定位，具(ju)體指明是三相(xiang)(xiang)對(dui)稱分(fen)散(san)性漏(lou)電(dian)(dian)，還是(單相(xiang)(xiang)對(dui)地)集中性漏(lou)電(dian)(dian);是某饋出線(xian)單相(xiang)(xiang)接地漏(lou)電(dian)(dian)，還是母線(xian)范圍單相(xiang)(xiang)接地漏(lou)電(dian)(dian)，可實(shi)現與智(zhi)能(neng)配電(dian)(dian)系(xi)統后臺的數據交(jiao)互。