有特(te)殊要求(qiu)情(qing)況下交(jiao)流(liu)接(jie)觸(chu)(chu)器的(de)選用(yong)：防晃(huang)(huang)(huang)電(dian)(dian)(dian)(dian)型交(jiao)流(liu)接(jie)觸(chu)(chu)器，電(dian)(dian)(dian)(dian)力(li)系統由于雷擊、短(duan)(duan)路后重合閘以及單相人為短(duan)(duan)時(shi)故障接(jie)地后自動(dong)恢復等(deng)原因(yin)使供電(dian)(dian)(dian)(dian)系統晃(huang)(huang)(huang)電(dian)(dian)(dian)(dian)，晃(huang)(huang)(huang)電(dian)(dian)(dian)(dian)時(shi)間(jian)(jian)一般在(zai)幾秒以下。在(zai)有連續(xu)性生產要求(qiu)的(de)情(qing)況下，工藝上不(bu)允許設備在(zai)電(dian)(dian)(dian)(dian)源(yuan)短(duan)(duan)時(shi)中斷(duan)（晃(huang)(huang)(huang)電(dian)(dian)(dian)(dian)）就造成設備跳閘停(ting)電(dian)(dian)(dian)(dian)，可(ke)以采用(yong)新型電(dian)(dian)(dian)(dian)控(kong)設備：FS系列(lie)防晃(huang)(huang)(huang)電(dian)(dian)(dian)(dian)交(jiao)流(liu)接(jie)觸(chu)(chu)器。接(jie)觸(chu)(chu)器不(bu)依(yi)(yi)賴(lai)輔(fu)助(zhu)工作電(dian)(dian)(dian)(dian)源(yuan)，不(bu)依(yi)(yi)賴(lai)輔(fu)助(zhu)機械裝(zhuang)(zhuang)置(zhi)，具有體(ti)積小、可(ke)靠性高，它采用(yong)強(qiang)力(li)吸合裝(zhuang)(zhuang)置(zhi)，雙(shuang)繞組線(xian)圈，接(jie)觸(chu)(chu)器在(zai)吸合釋(shi)放時(shi)無有害(hai)抖動(dong)，避免了電(dian)(dian)(dian)(dian)網失壓時(shi)觸(chu)(chu)頭(tou)抖動(dong)引起的(de)燃弧熔焊，因(yin)此(ci)減少了觸(chu)(chu)頭(tou)磨損。接(jie)觸(chu)(chu)器線(xian)圈帶有儲能(neng)機構(gou)，當晃(huang)(huang)(huang)電(dian)(dian)(dian)(dian)發(fa)生時(shi)，接(jie)觸(chu)(chu)器線(xian)圈延(yan)(yan)遲釋(shi)放，其(qi)輔(fu)助(zhu)觸(chu)(chu)點延(yan)(yan)遲發(fa)出(chu)斷(duan)開(kai)的(de)控(kong)制(zhi)(zhi)信(xin)號，由此(ci)躲開(kai)晃(huang)(huang)(huang)電(dian)(dian)(dian)(dian)時(shi)間(jian)(jian)，晃(huang)(huang)(huang)電(dian)(dian)(dian)(dian)時(shi)間(jian)(jian)由負載性質和斷(duan)電(dian)(dian)(dian)(dian)長短(duan)(duan)決定(ding)，接(jie)觸(chu)(chu)器延(yan)(yan)時(shi)時(shi)間(jian)(jian)可(ke)調。交(jiao)流(liu)高壓真空接(jie)觸(chu)(chu)器的(de)封裝(zhuang)(zhuang)結構(gou)緊湊，占用(yong)較小的(de)安裝(zhuang)(zhuang)空間(jian)(jian)。四川單極交(jiao)流(liu)高壓真空接(jie)觸(chu)(chu)器定(ding)制(zhi)(zhi)

當線圈通電(dian)時(shi),靜鐵(tie)芯(xin)(xin)(xin)產生電(dian)磁(ci)吸力,將動(dong)(dong)(dong)鐵(tie)芯(xin)(xin)(xin)吸合(he),由于觸(chu)(chu)(chu)(chu)頭系統是(shi)與動(dong)(dong)(dong)鐵(tie)芯(xin)(xin)(xin)聯(lian)(lian)動(dong)(dong)(dong)的(de),因此動(dong)(dong)(dong)鐵(tie)芯(xin)(xin)(xin)帶動(dong)(dong)(dong)三條動(dong)(dong)(dong)觸(chu)(chu)(chu)(chu)片同時(shi)動(dong)(dong)(dong)作,主觸(chu)(chu)(chu)(chu)點(dian)(dian)閉(bi)(bi)(bi)合(he),和主觸(chu)(chu)(chu)(chu)點(dian)(dian)機(ji)械相(xiang)連(lian)的(de)輔助(zhu)(zhu)常(chang)(chang)(chang)閉(bi)(bi)(bi)觸(chu)(chu)(chu)(chu)點(dian)(dian)斷(duan)開(kai)，輔助(zhu)(zhu)常(chang)(chang)(chang)開(kai)觸(chu)(chu)(chu)(chu)點(dian)(dian)閉(bi)(bi)(bi)合(he)，從而接(jie)(jie)(jie)通電(dian)源(yuan)。當線圈斷(duan)電(dian)時(shi),吸力消失,動(dong)(dong)(dong)鐵(tie)芯(xin)(xin)(xin)聯(lian)(lian)動(dong)(dong)(dong)部分(fen)依(yi)靠彈(dan)簧(huang)的(de)反作用力而分(fen)離,使主觸(chu)(chu)(chu)(chu)頭斷(duan)開(kai),和主觸(chu)(chu)(chu)(chu)點(dian)(dian)機(ji)械相(xiang)連(lian)的(de)輔助(zhu)(zhu)常(chang)(chang)(chang)閉(bi)(bi)(bi)觸(chu)(chu)(chu)(chu)點(dian)(dian)閉(bi)(bi)(bi)合(he)，輔助(zhu)(zhu)常(chang)(chang)(chang)開(kai)觸(chu)(chu)(chu)(chu)點(dian)(dian)斷(duan)開(kai)，從而切(qie)斷(duan)電(dian)源(yuan)。交流(liu)(liu)接(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)器(qi)是(shi)只能(neng)用在交流(liu)(liu)線路(lu)中的(de)，倘若(ruo)硬要把交流(liu)(liu)接(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)器(qi)接(jie)(jie)(jie)在直(zhi)流(liu)(liu)上那么其結果必然是(shi)燒(shao)(shao)毀(hui)線路(lu)嚴(yan)重以至燒(shao)(shao)毀(hui)設備。交流(liu)(liu)接(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)器(qi)主要組成部分(fen)：(1)電(dian)磁(ci)系統,包括(kuo)(kuo)吸引線圈、動(dong)(dong)(dong)鐵(tie)芯(xin)(xin)(xin)和靜鐵(tie)芯(xin)(xin)(xin)；(2)觸(chu)(chu)(chu)(chu)頭系統,包括(kuo)(kuo)三組主觸(chu)(chu)(chu)(chu)頭和一至兩組常(chang)(chang)(chang)開(kai)、常(chang)(chang)(chang)閉(bi)(bi)(bi)輔助(zhu)(zhu)觸(chu)(chu)(chu)(chu)頭,它(ta)和動(dong)(dong)(dong)鐵(tie)芯(xin)(xin)(xin)是(shi)連(lian)在一起互相(xiang)聯(lian)(lian)動(dong)(dong)(dong)的(de)；(3)滅(mie)弧(hu)(hu)裝置,一般容量較大的(de)交流(liu)(liu)接(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)器(qi)都設有(you)滅(mie)弧(hu)(hu)裝置,以便迅速切(qie)斷(duan)電(dian)弧(hu)(hu),免于燒(shao)(shao)壞主觸(chu)(chu)(chu)(chu)頭；(4)絕緣(yuan)外殼(ke)及附件,各種彈(dan)簧(huang)、傳動(dong)(dong)(dong)機(ji)構、短路(lu)環、接(jie)(jie)(jie)線柱(zhu)等。四川單極(ji)交流(liu)(liu)高(gao)壓真空(kong)接(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)器(qi)定(ding)制交流(liu)(liu)高(gao)壓真空(kong)接(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)器(qi)的(de)開(kai)斷(duan)能(neng)力強，能(neng)夠承受大電(dian)流(liu)(liu)和高(gao)電(dian)壓負載(zai)。

交(jiao)(jiao)流(liu)(liu)接(jie)(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)器(qi)的(de)(de)工(gong)作原理(li)：當(dang)線(xian)(xian)(xian)(xian)圈通(tong)電(dian)(dian)(dian)(dian)時，靜鐵(tie)(tie)(tie)芯(xin)(xin)產生(sheng)電(dian)(dian)(dian)(dian)磁力，將動鐵(tie)(tie)(tie)芯(xin)(xin)吸(xi)合，由觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)頭(tou)系統與鐵(tie)(tie)(tie)芯(xin)(xin)聯動，帶動觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)點閉合，交(jiao)(jiao)流(liu)(liu)接(jie)(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)器(qi)執行接(jie)(jie)(jie)(jie)通(tong)，當(dang)線(xian)(xian)(xian)(xian)圈斷電(dian)(dian)(dian)(dian)時，電(dian)(dian)(dian)(dian)磁力消失(shi)，動鐵(tie)(tie)(tie)芯(xin)(xin)聯動部(bu)(bu)(bu)分(fen)(fen)依靠彈簧的(de)(de)反(fan)作用力分(fen)(fen)離，觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)頭(tou)斷開(kai)，切斷電(dian)(dian)(dian)(dian)源斷開(kai)線(xian)(xian)(xian)(xian)路。接(jie)(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)器(qi)上有2個(ge)A2接(jie)(jie)(jie)(jie)任(ren)何(he)一(yi)(yi)個(ge)就可(ke)以(yi)，2個(ge)A2是互通(tong)的(de)(de)，設計兩(liang)個(ge)A2是便于(yu)配電(dian)(dian)(dian)(dian)箱(xiang)或者(zhe)工(gong)業設備(bei)的(de)(de)安(an)裝(zhuang)(zhuang)。如(ru)果找到一(yi)(yi)個(ge)A2，A1和(he)另外一(yi)(yi)個(ge)A2則在對應的(de)(de)另一(yi)(yi)面。交(jiao)(jiao)流(liu)(liu)接(jie)(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)器(qi)的(de)(de)線(xian)(xian)(xian)(xian)圈接(jie)(jie)(jie)(jie)線(xian)(xian)(xian)(xian)柱(zhu)，下邊(bian)講解一(yi)(yi)下交(jiao)(jiao)流(liu)(liu)接(jie)(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)器(qi)接(jie)(jie)(jie)(jie)線(xian)(xian)(xian)(xian)方(fang)法(fa)：交(jiao)(jiao)流(liu)(liu)接(jie)(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)器(qi)分(fen)(fen)220V和(he)380V，拿到接(jie)(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)器(qi)后看(kan)下接(jie)(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)器(qi)上的(de)(de)電(dian)(dian)(dian)(dian)壓(ya)標識(shi)，以(yi)便正確安(an)裝(zhuang)(zhuang)。220V交(jiao)(jiao)流(liu)(liu)接(jie)(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)器(qi)，交(jiao)(jiao)流(liu)(liu)接(jie)(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)器(qi)的(de)(de)線(xian)(xian)(xian)(xian)圈接(jie)(jie)(jie)(jie)線(xian)(xian)(xian)(xian)柱(zhu)A1；A2，分(fen)(fen)別接(jie)(jie)(jie)(jie)零線(xian)(xian)(xian)(xian)或者(zhe)火線(xian)(xian)(xian)(xian)。頂(ding)部(bu)(bu)(bu)的(de)(de)L1和(he)L2也分(fen)(fen)別接(jie)(jie)(jie)(jie)零線(xian)(xian)(xian)(xian)和(he)火線(xian)(xian)(xian)(xian)，對應的(de)(de)接(jie)(jie)(jie)(jie)線(xian)(xian)(xian)(xian)柱(zhu)T1和(he)T1直(zhi)接(jie)(jie)(jie)(jie)接(jie)(jie)(jie)(jie)220V的(de)(de)用電(dian)(dian)(dian)(dian)設備(bei)，當(dang)A1；A2線(xian)(xian)(xian)(xian)圈通(tong)電(dian)(dian)(dian)(dian)，交(jiao)(jiao)流(liu)(liu)接(jie)(jie)(jie)(jie)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)器(qi)吸(xi)合，頂(ding)部(bu)(bu)(bu)L1和(he)L2和(he)對應的(de)(de)T1 和(he)T2接(jie)(jie)(jie)(jie)通(tong)通(tong)電(dian)(dian)(dian)(dian)，用電(dian)(dian)(dian)(dian)設備(bei)工(gong)作。

（1）交(jiao)流(liu)接(jie)觸(chu)(chu)(chu)(chu)(chu)器(qi)(qi)(qi)的(de)(de)電(dian)(dian)(dian)壓等級要和(he)負(fu)(fu)載(zai)相(xiang)同，選用(yong)的(de)(de)接(jie)觸(chu)(chu)(chu)(chu)(chu)器(qi)(qi)(qi)類(lei)型要和(he)負(fu)(fu)載(zai)相(xiang)適應。（2）負(fu)(fu)載(zai)的(de)(de)計(ji)算電(dian)(dian)(dian)流(liu)要符合接(jie)觸(chu)(chu)(chu)(chu)(chu)器(qi)(qi)(qi)的(de)(de)容量(liang)等級，即(ji)計(ji)算電(dian)(dian)(dian)流(liu)小于(yu)(yu)等于(yu)(yu)接(jie)觸(chu)(chu)(chu)(chu)(chu)器(qi)(qi)(qi)的(de)(de)額(e)定(ding)工作(zuo)(zuo)電(dian)(dian)(dian)流(liu)。接(jie)觸(chu)(chu)(chu)(chu)(chu)器(qi)(qi)(qi)的(de)(de)接(jie)通電(dian)(dian)(dian)流(liu)大(da)于(yu)(yu)負(fu)(fu)載(zai)的(de)(de)啟動(dong)(dong)電(dian)(dian)(dian)流(liu)，分(fen)斷(duan)電(dian)(dian)(dian)流(liu)大(da)于(yu)(yu)負(fu)(fu)載(zai)運行(xing)(xing)時(shi)分(fen)斷(duan)需要電(dian)(dian)(dian)流(liu)，負(fu)(fu)載(zai)的(de)(de)計(ji)算電(dian)(dian)(dian)流(liu)要考慮實(shi)際工作(zuo)(zuo)環境和(he)工況(kuang)，對于(yu)(yu)啟動(dong)(dong)時(shi)間長的(de)(de)負(fu)(fu)載(zai)，半小時(shi)峰(feng)值電(dian)(dian)(dian)流(liu)不(bu)能超(chao)(chao)過(guo)約定(ding)發熱(re)電(dian)(dian)(dian)流(liu)。主觸(chu)(chu)(chu)(chu)(chu)頭(tou)(tou)和(he)動(dong)(dong)鐵芯連在一(yi)起。主觸(chu)(chu)(chu)(chu)(chu)頭(tou)(tou)為雙斷(duan)口(kou)，用(yong)來(lai)接(jie)通主電(dian)(dian)(dian)路。輔助觸(chu)(chu)(chu)(chu)(chu)頭(tou)(tou)則接(jie)在控制回路中，以實(shi)現各(ge)種控制方式(shi)。滅弧裝置一(yi)般為陶瓷制成(cheng)的(de)(de)柵式(shi)滅弧罩(zhao)，用(yong)來(lai)及時(shi)熄滅因斷(duan)開(kai)大(da)電(dian)(dian)(dian)流(liu)而產生的(de)(de)電(dian)(dian)(dian)弧。 超(chao)(chao)行(xing)(xing)程除了可以提高(gao)分(fen)閘(zha)初始速(su)度外(wai)，還有(you)2個(ge)重要的(de)(de)作(zuo)(zuo)用(yong)：a.超(chao)(chao)行(xing)(xing)程使(shi)(shi)(shi)觸(chu)(chu)(chu)(chu)(chu)頭(tou)(tou)簧(huang)生產的(de)(de)力，傳遞(di)給(gei)了觸(chu)(chu)(chu)(chu)(chu)頭(tou)(tou)間的(de)(de)接(jie)觸(chu)(chu)(chu)(chu)(chu)壓力，以滿足(zu)運行(xing)(xing)的(de)(de)需要；b.接(jie)觸(chu)(chu)(chu)(chu)(chu)器(qi)(qi)(qi)在長期運行(xing)(xing)后，動(dong)(dong)靜觸(chu)(chu)(chu)(chu)(chu)頭(tou)(tou)會有(you)燒損，減小了觸(chu)(chu)(chu)(chu)(chu)頭(tou)(tou)的(de)(de)總厚度，如有(you)合理的(de)(de)超(chao)(chao)行(xing)(xing)程作(zuo)(zuo)保證，仍可保證一(yi)定(ding)的(de)(de)終端(duan)壓力使(shi)(shi)(shi)真(zhen)空接(jie)觸(chu)(chu)(chu)(chu)(chu)器(qi)(qi)(qi)正(zheng)常(chang)工作(zuo)(zuo)。實(shi)際上觸(chu)(chu)(chu)(chu)(chu)頭(tou)(tou)壓力簧(huang)在接(jie)觸(chu)(chu)(chu)(chu)(chu)器(qi)(qi)(qi)分(fen)閘(zha)狀態，已經(jing)給(gei)了預(yu)壓的(de)(de)壓縮量(liang)，這(zhe)是(shi)為了合閘(zha)時(shi)，使(shi)(shi)(shi)接(jie)觸(chu)(chu)(chu)(chu)(chu)的(de)(de)瞬間，達(da)到預(yu)壓值以減小合閘(zha)彈跳，當超(chao)(chao)行(xing)(xing)程運動(dong)(dong)終止(zhi)時(shi)，終端(duan)壓力也(ye)達(da)到設計(ji)要求。交(jiao)流(liu)高(gao)壓真(zhen)空接(jie)觸(chu)(chu)(chu)(chu)(chu)器(qi)(qi)(qi)不(bu)受頻繁操(cao)作(zuo)(zuo)影響，使(shi)(shi)(shi)用(yong)壽命較長。

低(di)(di)壓(ya)(ya)交流(liu)(liu)(liu)(liu)接觸(chu)(chu)(chu)器(qi)主要(yao)(yao)用于(yu)通斷(duan)電氣(qi)設(she)備(bei)電源，可以遠距離(li)控制動力設(she)備(bei)，在接通斷(duan)開設(she)備(bei)電源時(shi)(shi)避免人身傷害。交流(liu)(liu)(liu)(liu)接觸(chu)(chu)(chu)器(qi)的(de)(de)選(xuan)用對動力設(she)備(bei)和(he)電力線路正常(chang)運行非常(chang)重要(yao)(yao)。一般(ban)使用中(zhong)要(yao)(yao)求交流(liu)(liu)(liu)(liu)接觸(chu)(chu)(chu)器(qi)裝(zhuang)置(zhi)(zhi)結構緊(jin)湊，使用方便(bian)，動靜觸(chu)(chu)(chu)頭(tou)的(de)(de)磁(ci)吹(chui)裝(zhuang)置(zhi)(zhi)良好(hao)，滅(mie)弧效果(guo)好(hao)，較好(hao)達到零飛弧，溫升小。按照滅(mie)弧方式(shi)(shi)分為(wei)(wei)空氣(qi)式(shi)(shi)和(he)真空式(shi)(shi)，按照操動方式(shi)(shi)分為(wei)(wei)電磁(ci)式(shi)(shi)、氣(qi)動式(shi)(shi)和(he)電磁(ci)氣(qi)動式(shi)(shi)。接觸(chu)(chu)(chu)器(qi)額定(ding)(ding)(ding)電壓(ya)(ya)參(can)(can)(can)數(shu)(shu)分為(wei)(wei)高(gao)(gao)壓(ya)(ya)和(he)低(di)(di)壓(ya)(ya)，低(di)(di)壓(ya)(ya)一般(ban)為(wei)(wei)380V，500V，660V，1140V等(deng)。電流(liu)(liu)(liu)(liu)按型式(shi)(shi)分為(wei)(wei)交流(liu)(liu)(liu)(liu)、直流(liu)(liu)(liu)(liu)。電流(liu)(liu)(liu)(liu)參(can)(can)(can)數(shu)(shu)有(you)額定(ding)(ding)(ding)工作(zuo)電流(liu)(liu)(liu)(liu)、約定(ding)(ding)(ding)發熱(re)電流(liu)(liu)(liu)(liu)、接通電流(liu)(liu)(liu)(liu)及(ji)(ji)分斷(duan)電流(liu)(liu)(liu)(liu)、輔(fu)助(zhu)觸(chu)(chu)(chu)頭(tou)的(de)(de)約定(ding)(ding)(ding)發熱(re)電流(liu)(liu)(liu)(liu)及(ji)(ji)接觸(chu)(chu)(chu)器(qi)的(de)(de)短時(shi)(shi)耐(nai)受電流(liu)(liu)(liu)(liu)等(deng)。一般(ban)接觸(chu)(chu)(chu)器(qi)型號(hao)參(can)(can)(can)數(shu)(shu)給出的(de)(de)是約定(ding)(ding)(ding)發熱(re)電流(liu)(liu)(liu)(liu)，約定(ding)(ding)(ding)發熱(re)電流(liu)(liu)(liu)(liu)對應的(de)(de)額定(ding)(ding)(ding)工作(zuo)電流(liu)(liu)(liu)(liu)有(you)好(hao)幾個。比(bi)如CJ20-63，主觸(chu)(chu)(chu)頭(tou)的(de)(de)額定(ding)(ding)(ding)工作(zuo)電流(liu)(liu)(liu)(liu)分為(wei)(wei)63A，40A，型號(hao)參(can)(can)(can)數(shu)(shu)中(zhong)63指的(de)(de)是約定(ding)(ding)(ding)發熱(re)電流(liu)(liu)(liu)(liu)，它和(he)接觸(chu)(chu)(chu)器(qi)的(de)(de)外(wai)殼絕(jue)緣結構有(you)關(guan)，而額定(ding)(ding)(ding)工作(zuo)電流(liu)(liu)(liu)(liu)和(he)選(xuan)定(ding)(ding)(ding)的(de)(de)負載電流(liu)(liu)(liu)(liu)、電壓(ya)(ya)等(deng)級有(you)關(guan)。交流(liu)(liu)(liu)(liu)高(gao)(gao)壓(ya)(ya)真空接觸(chu)(chu)(chu)器(qi)的(de)(de)電氣(qi)連(lian)接可靠緊(jin)固，避免松脫(tuo)和(he)接觸(chu)(chu)(chu)不良情況。河南交流(liu)(liu)(liu)(liu)高(gao)(gao)壓(ya)(ya)臥式(shi)(shi)真空接觸(chu)(chu)(chu)器(qi)批(pi)發

交(jiao)流(liu)高(gao)壓真空接觸(chu)器(qi)(qi)的開斷速度(du)快，在短(duan)時間內(nei)完成電流(liu)切換(huan)，提(ti)高(gao)了系統的響應速度(du)。四(si)川單極(ji)交(jiao)流(liu)高(gao)壓真空接觸(chu)器(qi)(qi)定(ding)制

交(jiao)流(liu)(liu)接(jie)(jie)觸(chu)器(qi)(qi)(qi)線(xian)圈按照電(dian)(dian)壓(ya)(ya)分(fen)(fen)為(wei)(wei)36、127、220、380V等。接(jie)(jie)觸(chu)器(qi)(qi)(qi)的(de)(de)(de)極數分(fen)(fen)為(wei)(wei)2、3、4、5極等。輔助觸(chu)頭(tou)根(gen)據常開常閉各有幾對，根(gen)據控制需(xu)要(yao)(yao)(yao)選(xuan)擇(ze)。接(jie)(jie)觸(chu)器(qi)(qi)(qi)作(zuo)(zuo)為(wei)(wei)通(tong)斷負(fu)(fu)(fu)載電(dian)(dian)源的(de)(de)(de)設(she)備(bei)，接(jie)(jie)觸(chu)器(qi)(qi)(qi)的(de)(de)(de)選(xuan)用(yong)(yong)(yong)應(ying)按滿足被(bei)控制設(she)備(bei)的(de)(de)(de)要(yao)(yao)(yao)求進行，除額定工(gong)(gong)作(zuo)(zuo)電(dian)(dian)壓(ya)(ya)與被(bei)控設(she)備(bei)的(de)(de)(de)額定工(gong)(gong)作(zuo)(zuo)電(dian)(dian)壓(ya)(ya)相同外，被(bei)控設(she)備(bei)的(de)(de)(de)負(fu)(fu)(fu)載功率、使用(yong)(yong)(yong)類別、控制方(fang)式、操作(zuo)(zuo)頻率、工(gong)(gong)作(zuo)(zuo)壽命、安裝方(fang)式、安裝尺(chi)寸(cun)以及經濟性是(shi)選(xuan)擇(ze)的(de)(de)(de)依據。選(xuan)用(yong)(yong)(yong)原則如下(xia)：（1）交(jiao)流(liu)(liu)接(jie)(jie)觸(chu)器(qi)(qi)(qi)的(de)(de)(de)電(dian)(dian)壓(ya)(ya)等級要(yao)(yao)(yao)和負(fu)(fu)(fu)載相同，選(xuan)用(yong)(yong)(yong)的(de)(de)(de)接(jie)(jie)觸(chu)器(qi)(qi)(qi)類型要(yao)(yao)(yao)和負(fu)(fu)(fu)載相適應(ying)。（2）負(fu)(fu)(fu)載的(de)(de)(de)計(ji)算(suan)電(dian)(dian)流(liu)(liu)要(yao)(yao)(yao)符合接(jie)(jie)觸(chu)器(qi)(qi)(qi)的(de)(de)(de)容量等級，即計(ji)算(suan)電(dian)(dian)流(liu)(liu)小于(yu)(yu)等于(yu)(yu)接(jie)(jie)觸(chu)器(qi)(qi)(qi)的(de)(de)(de)額定工(gong)(gong)作(zuo)(zuo)電(dian)(dian)流(liu)(liu)。接(jie)(jie)觸(chu)器(qi)(qi)(qi)的(de)(de)(de)接(jie)(jie)通(tong)電(dian)(dian)流(liu)(liu)大于(yu)(yu)負(fu)(fu)(fu)載的(de)(de)(de)啟動(dong)(dong)電(dian)(dian)流(liu)(liu)，分(fen)(fen)斷電(dian)(dian)流(liu)(liu)大于(yu)(yu)負(fu)(fu)(fu)載運行時(shi)分(fen)(fen)斷需(xu)要(yao)(yao)(yao)電(dian)(dian)流(liu)(liu)，負(fu)(fu)(fu)載的(de)(de)(de)計(ji)算(suan)電(dian)(dian)流(liu)(liu)要(yao)(yao)(yao)考慮實(shi)際工(gong)(gong)作(zuo)(zuo)環境和工(gong)(gong)況(kuang)，對于(yu)(yu)啟動(dong)(dong)時(shi)間長(chang)的(de)(de)(de)負(fu)(fu)(fu)載，半小時(shi)峰值電(dian)(dian)流(liu)(liu)不能(neng)超過約定發熱(re)電(dian)(dian)流(liu)(liu)。（3）按短時(shi)的(de)(de)(de)動(dong)(dong)、熱(re)穩定校驗。線(xian)路(lu)的(de)(de)(de)三相短路(lu)電(dian)(dian)流(liu)(liu)不應(ying)超過接(jie)(jie)觸(chu)器(qi)(qi)(qi)允許的(de)(de)(de)動(dong)(dong)、熱(re)穩定電(dian)(dian)流(liu)(liu)，當使用(yong)(yong)(yong)接(jie)(jie)觸(chu)器(qi)(qi)(qi)斷開短路(lu)電(dian)(dian)流(liu)(liu)時(shi)，還應(ying)校驗接(jie)(jie)觸(chu)器(qi)(qi)(qi)的(de)(de)(de)分(fen)(fen)斷能(neng)力。四(si)川單極交(jiao)流(liu)(liu)高壓(ya)(ya)真空接(jie)(jie)觸(chu)器(qi)(qi)(qi)定制