ZJL-1140(660)礦用隔(ge)爆兼本安型(xing)低壓選擇性(xing)漏電保(bao)護裝置 適(shi)用于(yu)660V和1140V中性(xing)點(dian)(dian)不接地(di)、中性(xing)點(dian)(dian)經高阻接地(di)或中性(xing)點(dian)(dian)經零序電抗器接地(di)補(bu)償的低壓供電系統(tong)。該(gai)產品適(shi)用于(yu)煤(mei)礦井(jing)下等含有可燃性(xing)氣(qi)體、粉塵(chen)環境。

        功能包(bao)括橫(heng)向選(xuan)漏(lou)保護(hu)(hu)和縱向選(xuan)漏(lou)保護(hu)(hu)、集中(zhong)性(xing)漏(lou)電(dian)保護(hu)(hu)和分散(san)性(xing)漏(lou)電(dian)保護(hu)(hu)，裝置不(bu)僅能保證被保護(hu)(hu)的低壓(ya)電(dian)網任何線路上(shang)發生人(ren)身(shen)觸電(dian)或(huo)經1KQ電(dian)阻接(jie)地(di)(di)的電(dian)故障(zhang)，其保護(hu)(hu)動作時間不(bu)超出(chu)30mA·S:而且能對(dui)漏(lou)電(dian)故障(zhang)進行(xing)定(ding)(ding)性(xing)和定(ding)(ding)位，具體指明是三相對(dui)稱(cheng)分散(san)性(xing)漏(lou)電(dian)，還(huan)(huan)是(單(dan)相對(dui)地(di)(di))集中(zhong)性(xing)漏(lou)電(dian);是某饋出(chu)線單(dan)相接(jie)地(di)(di)漏(lou)電(dian)，還(huan)(huan)是母線范圍單(dan)相接(jie)地(di)(di)漏(lou)電(dian)，可實(shi)現與智能配電(dian)系(xi)統后臺的數據交互。