是10kV配電(dian)(dian)線路(lu)分支線和配電(dian)(dian)變(bian)壓(ya)器(qi)最常用(yong)的一種短路(lu)保(bao)護開關,它具有經(jing)濟、操(cao)(cao)作方便(bian)、適應戶(hu)外環(huan)境性強等(deng)特(te)點(dian),被廣泛應用(yong)于(yu)10kV配電(dian)(dian)線路(lu)和配電(dian)(dian)變(bian)壓(ya)器(qi)一次側作為保(bao)護和進行設備(bei)投、切操(cao)(cao)作之用(yong)。
安(an)裝在(zai)10kV配電(dian)(dian)線路(lu)分支(zhi)線上(shang),可(ke)縮小(xiao)停電(dian)(dian)范圍(wei),因(yin)其有一個明顯的斷開(kai)點,具(ju)備(bei)了(le)隔離開(kai)關的功能(neng),給檢修段(duan)線路(lu)和(he)設備(bei)創造了(le)一個安(an)全作(zuo)業(ye)環境,增(zeng)加了(le)檢修人員的安(an)全感(gan)。安(an)裝在(zai)配電(dian)(dian)變壓器(qi)上(shang),可(ke)以作(zuo)為(wei)配電(dian)(dian)變壓器(qi)的主保護,所以,在(zai)10kV配電(dian)(dian)線路(lu)和(he)配電(dian)(dian)變壓器(qi)中得到了(le)普及。