ABB MNS2.0低壓(ya)授權柜適(shi)用(yong)于(yu)交流(liu)50（60）HZ、額定(ding)絕緣(yuan)電(dian)(dian)(dian)(dian)壓(ya)和工作電(dian)(dian)(dian)(dian)壓(ya)為380（400）V、660v、額定(ding)電(dian)(dian)(dian)(dian)流(liu)6300A及(ji)(ji)以下三相(xiang)五線(xian)制的電(dian)(dian)(dian)(dian)力供電(dian)(dian)(dian)(dian)系統，可(ke)用(yong)于(yu)發電(dian)(dian)(dian)(dian)廠、變(bian)電(dian)(dian)(dian)(dian)所、工礦企業、大樓(lou)賓館、機場、碼頭(tou)以及(ji)(ji)廣播電(dian)(dian)(dian)(dian)視等(deng)通信中心，作為發電(dian)(dian)(dian)(dian)、輸配電(dian)(dian)(dian)(dian)、電(dian)(dian)(dian)(dian)能(neng)轉換(huan)及(ji)(ji)對電(dian)(dian)(dian)(dian)能(neng)消耗設備的控制，并(bing)通過(guo)電(dian)(dian)(dian)(dian)容補償對其主母(mu)線(xian)進行無(wu)功補償。

其提(ti)供了全(quan)面的(de)安(an)全(quan)保護系統(tong)，旨在防止因開(kai)關元件故障引起的(de)飛弧和母線短路，從而確保操作更加安(an)全(quan)可靠。

每個柜(ju)體配(pei)備阻燃(ran)型高密度聚氨脂(zhi)塑料功能板或電(dian)(dian)鍍(du)隔板，安裝在主母線室(shi)與電(dian)(dian)器(qi)室(shi)之(zhi)間(jian)。這些板塊有(you)效地(di)隔離了(le)開關元件和母線，防止了(le)潛(qian)在的(de)事故發(fa)生。此外，上下層抽屜之(zhi)間(jian)采(cai)用(yong)通(tong)風(feng)孔的(de)鍍(du)鋅金屬板隔離，較小的(de)8E/4、8E/2抽層周圍使用(yong)阻燃(ran)型工程塑料件，增強了(le)相鄰(lin)回路(lu)之(zhi)間(jian)的(de)絕緣隔離效果(guo)。

柜內采用多種無鹵素塑料組件和支撐帶電部分，以確保整體防漏電性能達到CTI300等級。此外，獨立的PE接地系統和N中性導體穿過整個裝置，位于柜前底部右側，方便各回路接地或接零就近聯接。框架結構采用自攻螺釘(ding)聯接，提(ti)供(gong)了較高的接地可(ke)靠性。整(zheng)個母線系統安裝如圖三所示。

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