低壓電(dian)器(qi)注意(yi)事項：控(kong)制(zhi)對象(如電(dian)動(dong)機或(huo)其他(ta)用(yong)(yong)電(dian)設備)的(de)分類和使(shi)用(yong)(yong)環境;確認(ren)有關(guan)的(de)技術(shu)數據(ju)，如控(kong)制(zhi)對象的(de)額(e)定(ding)(ding)電(dian)壓、額(e)定(ding)(ding)功率(lv)、啟(qi)動(dong)電(dian)流倍數、負載性(xing)質、操(cao)作(zuo)(zuo)(zuo)頻率(lv)、工(gong)(gong)作(zuo)(zuo)(zuo)制(zhi)等;了解電(dian)器(qi)的(de)正常(chang)工(gong)(gong)作(zuo)(zuo)(zuo)條(tiao)件(jian)，如環境空氣濕度(du)、相對濕度(du)、海拔高度(du)、允許安(an)裝方(fang)位角度(du)和抗沖擊振動(dong)、有害(hai)氣體、導電(dian)塵埃、雨雪浸襲(xi)的(de)能(neng)力;了解電(dian)器(qi)的(de)主要技術(shu)性(xing)能(neng)(或(huo)技術(shu)條(tiao)件(jian))，如用(yong)(yong)途、分類、額(e)定(ding)(ding)電(dian)壓、額(e)定(ding)(ding)控(kong)制(zhi)功率(lv)、接通(tong)能(neng)力、分斷能(neng)力、允許操(cao)作(zuo)(zuo)(zuo)頻率(lv)、工(gong)(gong)作(zuo)(zuo)(zuo)制(zhi)和使(shi)用(yong)(yong)壽命等。各種電(dian)器(qi)元件(jian)經(jing)過長期使(shi)用(yong)(yong)或(huo)因使(shi)用(yong)(yong)不(bu)當會造成(cheng)損壞，這時就必(bi)須及(ji)時進行維修。低壓電(dian)器(qi)控(kong)制(zhi)電(dian)器(qi)按其工(gong)(gong)作(zuo)(zuo)(zuo)電(dian)壓的(de)高低，以交(jiao)流1200V、直流1500V為界！青島(dao)低壓電(dian)器(qi)選型

報(bao)警(jing)觸(chu)頭(tou)(tou)(tou):用于(yu)斷(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)事故(gu)(gu)的(de)(de)(de)(de)報(bao)警(jing)觸(chu)頭(tou)(tou)(tou)，且(qie)此觸(chu)頭(tou)(tou)(tou)只有當(dang)斷(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)脫(tuo)(tuo)(tuo)(tuo)(tuo)(tuo)扣(kou)(kou)分(fen)(fen)(fen)斷(duan)(duan)(duan)后才動作，主(zhu)要用于(yu)斷(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)負(fu)載(zai)出現過(guo)(guo)載(zai)短路(lu)(lu)(lu)或(huo)欠電(dian)(dian)(dian)壓等故(gu)(gu)障時而(er)(er)自(zi)由脫(tuo)(tuo)(tuo)(tuo)(tuo)(tuo)扣(kou)(kou)，報(bao)警(jing)觸(chu)頭(tou)(tou)(tou)從原來的(de)(de)(de)(de)常開(kai)(kai)位置轉換成(cheng)閉(bi)合(he)位置，接通輔助線(xian)路(lu)(lu)(lu)中(zhong)的(de)(de)(de)(de)指示燈或(huo)電(dian)(dian)(dian)鈴、蜂鳴器(qi)(qi)(qi)(qi)(qi)等，顯(xian)示或(huo)提醒斷(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)故(gu)(gu)障脫(tuo)(tuo)(tuo)(tuo)(tuo)(tuo)扣(kou)(kou)狀態。由于(yu)斷(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)發生因負(fu)載(zai)故(gu)(gu)障而(er)(er)自(zi)由脫(tuo)(tuo)(tuo)(tuo)(tuo)(tuo)扣(kou)(kou)的(de)(de)(de)(de)機率不(bu)太多，因而(er)(er)報(bao)警(jing)觸(chu)頭(tou)(tou)(tou)的(de)(de)(de)(de)壽(shou)命是(shi)斷(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)壽(shou)命的(de)(de)(de)(de)1/10。報(bao)警(jing)觸(chu)頭(tou)(tou)(tou)的(de)(de)(de)(de)工(gong)(gong)作電(dian)(dian)(dian)分(fen)(fen)(fen)勵(li)脫(tuo)(tuo)(tuo)(tuo)(tuo)(tuo)扣(kou)(kou)器(qi)(qi)(qi)(qi)(qi):是(shi)一(yi)(yi)種(zhong)用電(dian)(dian)(dian)壓源(yuan)激勵(li)的(de)(de)(de)(de)脫(tuo)(tuo)(tuo)(tuo)(tuo)(tuo)扣(kou)(kou)器(qi)(qi)(qi)(qi)(qi)，它的(de)(de)(de)(de)電(dian)(dian)(dian)壓可與主(zhu)電(dian)(dian)(dian)路(lu)(lu)(lu)電(dian)(dian)(dian)壓無關(guan)。分(fen)(fen)(fen)勵(li)脫(tuo)(tuo)(tuo)(tuo)(tuo)(tuo)扣(kou)(kou)器(qi)(qi)(qi)(qi)(qi)是(shi)一(yi)(yi)種(zhong)遠距離操(cao)縱分(fen)(fen)(fen)閘(zha)的(de)(de)(de)(de)附件(jian)。當(dang)電(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)壓等于(yu)額定控制電(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)壓的(de)(de)(de)(de)70%-110%之間(jian)的(de)(de)(de)(de)任(ren)一(yi)(yi)電(dian)(dian)(dian)壓時，就能可靠分(fen)(fen)(fen)斷(duan)(duan)(duan)斷(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)。分(fen)(fen)(fen)勵(li)脫(tuo)(tuo)(tuo)(tuo)(tuo)(tuo)扣(kou)(kou)器(qi)(qi)(qi)(qi)(qi)是(shi)短時工(gong)(gong)作制，線(xian)圈(quan)(quan)通電(dian)(dian)(dian)時間(jian)一(yi)(yi)般不(bu)能超過(guo)(guo)1S，否則線(xian)會(hui)被燒(shao)毀(hui)。塑殼(ke)斷(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)為防止線(xian)圈(quan)(quan)燒(shao)毀(hui)，在分(fen)(fen)(fen)勵(li)脫(tuo)(tuo)(tuo)(tuo)(tuo)(tuo)扣(kou)(kou)線(xian)圈(quan)(quan)串聯(lian)一(yi)(yi)個微(wei)動開(kai)(kai)關(guan)，當(dang)分(fen)(fen)(fen)勵(li)脫(tuo)(tuo)(tuo)(tuo)(tuo)(tuo)扣(kou)(kou)器(qi)(qi)(qi)(qi)(qi)通過(guo)(guo)銜鐵吸(xi)合(he)，微(wei)動開(kai)(kai)關(guan)從常閉(bi)狀態轉換成(cheng)常開(kai)(kai)，由于(yu)分(fen)(fen)(fen)勵(li)脫(tuo)(tuo)(tuo)(tuo)(tuo)(tuo)扣(kou)(kou)器(qi)(qi)(qi)(qi)(qi)電(dian)(dian)(dian)源(yuan)的(de)(de)(de)(de)控制線(xian)路(lu)(lu)(lu)被切斷(duan)(duan)(duan)，即使人(ren)為地按住(zhu)按鈕，分(fen)(fen)(fen)勵(li)線(xian)圈(quan)(quan)始終不(bu)再通電(dian)(dian)(dian)就避免了(le)線(xian)圈(quan)(quan)燒(shao)損情況的(de)(de)(de)(de)產生。當(dang)斷(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)再扣(kou)(kou)合(he)閘(zha)后，微(wei)動開(kai)(kai)關(guan)重新處于(yu)常閉(bi)位置。流(liu)一(yi)(yi)般不(bu)會(hui)超過(guo)(guo)1A。淮安常用低(di)壓電(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)制電(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)按其工(gong)(gong)作電(dian)(dian)(dian)壓的(de)(de)(de)(de)高低(di)，以交(jiao)流(liu)1200V、直(zhi)流(liu)1500V為界(jie)，可劃分(fen)(fen)(fen)為高壓控制電(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)和(he)低(di)壓控制電(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)兩大類。

低壓電(dian)器(qi)(qi)(qi)(qi)使用(yong)(yong)(yong)(yong)注(zhu)意：低壓電(dian)器(qi)(qi)(qi)(qi)選擇不(bu)(bu)同(tong)(tong)類(lei)型短(duan)路(lu)(lu)(lu)(lu)分(fen)斷(duan)能力的(de)(de)(de)(de)斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)來(lai)適(shi)應不(bu)(bu)同(tong)(tong)的(de)(de)(de)(de)線(xian)路(lu)(lu)(lu)(lu)預(yu)期(qi)短(duan)路(lu)(lu)(lu)(lu)電(dian)流(liu)（當(dang)I在相同(tong)(tong)的(de)(de)(de)(de)情況時(shi)）的(de)(de)(de)(de)需(xu)要(yao)斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)選用(yong)(yong)(yong)(yong)原則是(shi)：斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)短(duan)路(lu)(lu)(lu)(lu)分(fen)斷(duan)能力≥線(xian)路(lu)(lu)(lu)(lu)的(de)(de)(de)(de)預(yu)期(qi)短(duan)路(lu)(lu)(lu)(lu)電(dian)流(liu)。1.不(bu)(bu)同(tong)(tong)的(de)(de)(de)(de)負載(zai)低壓電(dian)器(qi)(qi)(qi)(qi)應選用(yong)(yong)(yong)(yong)不(bu)(bu)同(tong)(tong)類(lei)型的(de)(de)(de)(de)斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)低壓電(dian)器(qi)(qi)(qi)(qi)較常(chang)見(jian)的(de)(de)(de)(de)負載(zai)有配電(dian)線(xian)路(lu)(lu)(lu)(lu)、電(dian)動(dong)機和家用(yong)(yong)(yong)(yong)與類(lei)似家用(yong)(yong)(yong)(yong)（照明、家用(yong)(yong)(yong)(yong)電(dian)器(qi)(qi)(qi)(qi)等(deng)）三大類(lei)。通(tong)用(yong)(yong)(yong)(yong)式(shi)（又稱框(kuang)架式(shi)）斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)中(zhong)的(de)(de)(de)(de)DW15系列、DW17(ME）系列、AH系列和DW40、DW45系列中(zhong)大部分(fen)是(shi)B型，而DZ5、DZ15、DZ20、TO、TG、CM1、TM30及HSM1等(deng)系列和通(tong)用(yong)(yong)(yong)(yong)式(shi)、短(duan)路(lu)(lu)(lu)(lu)瞬時(shi)的(de)(de)(de)(de)二段保護，它們是(shi)屬(shu)于非選擇型的(de)(de)(de)(de)A類(lei)斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)。選擇性保護。當(dang)F點短(duan)路(lu)(lu)(lu)(lu)時(shi)，只有靠近(jin)F點的(de)(de)(de)(de)QF2斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)動(dong)作，而上方位的(de)(de)(de)(de)QF1斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)不(bu)(bu)動(dong)作，這就是(shi)選擇性保護（由于QF1不(bu)(bu)動(dong)作，就使未發生(sheng)故(gu)障的(de)(de)(de)(de)）。

低壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)通(tong)(tong)(tong)常(chang)是指在交流電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)1200V或直(zhi)流電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)1500V以(yi)下工作(zuo)的電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)。常(chang)見的低壓(ya)器(qi)(qi)(qi)(qi)有開關、熔斷器(qi)(qi)(qi)(qi)、接(jie)(jie)(jie)(jie)觸(chu)器(qi)(qi)(qi)(qi)、漏電(dian)(dian)(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)器(qi)(qi)(qi)(qi)和(he)(he)(he)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)等。進行電(dian)(dian)(dian)(dian)(dian)(dian)氣線(xian)路(lu)安裝時，電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)和(he)(he)(he)負載(zai)(如電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)機)之間用低壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)通(tong)(tong)(tong)過(guo)導(dao)線(xian)連接(jie)(jie)(jie)(jie)起來(lai)，可(ke)(ke)以(yi)實(shi)現(xian)(xian)負載(zai)的接(jie)(jie)(jie)(jie)通(tong)(tong)(tong)、切斷、保(bao)(bao)護(hu)等控制(zhi)功能(neng)(neng)。低壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)可(ke)(ke)以(yi)分(fen)為(wei)配電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)和(he)(he)(he)控制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)兩大(da)類，是成(cheng)套(tao)電(dian)(dian)(dian)(dian)(dian)(dian)氣設備的基本組(zu)成(cheng)元件。此電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)元件的質量(liang)將直(zhi)接(jie)(jie)(jie)(jie)影響到低壓(ya)供電(dian)(dian)(dian)(dian)(dian)(dian)系統的可(ke)(ke)靠性。低壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)是一種能(neng)(neng)根據外(wai)界的信號和(he)(he)(he)要(yao)求，手(shou)動(dong)或自動(dong)地(di)接(jie)(jie)(jie)(jie)通(tong)(tong)(tong)、斷開電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)，以(yi)實(shi)現(xian)(xian)對電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)或非電(dian)(dian)(dian)(dian)(dian)(dian)對象(xiang)的切換(huan)(huan)、控制(zhi)、保(bao)(bao)護(hu)、檢測、變換(huan)(huan)和(he)(he)(he)調節的元件或設備。按(an)用途和(he)(he)(he)控制(zhi)對象(xiang)不同，可(ke)(ke)將低壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)分(fen)為(wei)配電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)和(he)(he)(he)控制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)！!主回路(lu)一般有萬能(neng)(neng)式(shi)斷路(lu)器(qi)(qi)(qi)(qi)（框(kuang)架）、塑料外(wai)殼式(shi)斷路(lu)器(qi)(qi)(qi)(qi)（塑殼）、接(jie)(jie)(jie)(jie)觸(chu)器(qi)(qi)(qi)(qi)、小型斷路(lu)器(qi)(qi)(qi)(qi)（微(wei)斷）.

低(di)(di)壓(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)器(qi)有哪些行業(ye)？低(di)(di)壓(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)器(qi)的用(yong)(yong)戶主(zhu)要(yao)是電(dian)(dian)(dian)(dian)力(li)工業(ye)，此外(wai)還(huan)有石化、煤炭(tan)、冶金、建筑業(ye)以及(ji)民(min)用(yong)(yong)等，低(di)(di)壓(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)器(qi)生產廠(chang)家(jia)的產品絕大(da)多數(shu)由(you)低(di)(di)壓(ya)(ya)(ya)(ya)(ya)成(cheng)套(tao)設(she)備廠(chang)家(jia)所購買(mai)，然后組(zu)裝成(cheng)配電(dian)(dian)(dian)(dian)屏、動力(li)配電(dian)(dian)(dian)(dian)箱、保(bao)(bao)護屏、控制屏等低(di)(di)壓(ya)(ya)(ya)(ya)(ya)成(cheng)套(tao)裝置(zhi)再賣給(gei)用(yong)(yong)戶。其特點為：（1）量(liang)大(da)面廣，可以說國民(min)經濟各行各業(ye)都離不(bu)開低(di)(di)壓(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)器(qi)。人們(men)的日常(chang)生活(huo)，也(ye)離不(bu)開低(di)(di)壓(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)器(qi)。（2）品種規格多（電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)、電(dian)(dian)(dian)(dian)流、保(bao)(bao)護、極(ji)數(shu)），環境(jing)條件(jian)復雜（海(hai)拔、溫(wen)度(du)、濕(shi)度(du)、污染(ran)情(qing)況等）。（3）用(yong)(yong)戶對低(di)(di)壓(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)器(qi)的質量(liang)（外(wai)觀(guan)、可靠性、壽命、體積等）越來越關注，質高價低(di)(di)的產品、既節能又不(bu)污染(ran)環境(jing)的產品受歡迎。在自控電(dian)(dian)(dian)(dian)器(qi)中，感測部分大(da)多由(you)電(dian)(dian)(dian)(dian)磁機構(gou)組(zu)成(cheng)，在受控電(dian)(dian)(dian)(dian)器(qi)中，感測部分通常(chang)為操作手柄(bing)等。安徽常(chang)用(yong)(yong)低(di)(di)壓(ya)(ya)(ya)(ya)(ya)電(dian)(dian)(dian)(dian)器(qi)批(pi)發廠(chang)家(jia)

低(di)壓電(dian)(dian)器可劃分為(wei)高壓控(kong)制(zhi)(zhi)電(dian)(dian)器和低(di)壓控(kong)制(zhi)(zhi)電(dian)(dian)器兩大類！青島低(di)壓電(dian)(dian)器選型(xing)

低(di)壓(ya)(ya)電(dian)(dian)(dian)器(qi)(qi)(qi)通(tong)常是指在交(jiao)流電(dian)(dian)(dian)壓(ya)(ya)1200V或直流電(dian)(dian)(dian)壓(ya)(ya)1500V以(yi)下(xia)工作的(de)電(dian)(dian)(dian)器(qi)(qi)(qi)。常見的(de)低(di)壓(ya)(ya)器(qi)(qi)(qi)有開關、熔斷器(qi)(qi)(qi)、接(jie)觸器(qi)(qi)(qi)、漏(lou)電(dian)(dian)(dian)保護(hu)器(qi)(qi)(qi)和繼電(dian)(dian)(dian)器(qi)(qi)(qi)等(deng)。進行電(dian)(dian)(dian)氣線(xian)路安裝時，電(dian)(dian)(dian)源和負載(如(ru)電(dian)(dian)(dian)動(dong)機(ji))之間(jian)用低(di)壓(ya)(ya)電(dian)(dian)(dian)器(qi)(qi)(qi)通(tong)過導線(xian)連接(jie)起來(lai)，可(ke)以(yi)實現負載的(de)接(jie)通(tong)、切斷、保護(hu)等(deng)控制功(gong)能(neng)。低(di)壓(ya)(ya)電(dian)(dian)(dian)器(qi)(qi)(qi)可(ke)以(yi)分為配(pei)電(dian)(dian)(dian)電(dian)(dian)(dian)器(qi)(qi)(qi)和控制電(dian)(dian)(dian)器(qi)(qi)(qi)兩大類，是成套電(dian)(dian)(dian)氣設備的(de)基本(ben)組成元件(jian)。此電(dian)(dian)(dian)器(qi)(qi)(qi)元件(jian)的(de)質量將直接(jie)影響到低(di)壓(ya)(ya)供電(dian)(dian)(dian)系統的(de)可(ke)靠(kao)性。低(di)壓(ya)(ya)電(dian)(dian)(dian)器(qi)(qi)(qi)是一種能(neng)根據外界的(de)信(xin)號和要(yao)求，手動(dong)或自動(dong)地接(jie)通(tong)、斷開電(dian)(dian)(dian)路，以(yi)實現對(dui)電(dian)(dian)(dian)路或非(fei)電(dian)(dian)(dian)對(dui)象的(de)切換、控制、保護(hu)、檢(jian)測(ce)、變(bian)換和調節的(de)元件(jian)或設備。按用途和控制對(dui)象不同(tong)，可(ke)將低(di)壓(ya)(ya)電(dian)(dian)(dian)器(qi)(qi)(qi)分為配(pei)電(dian)(dian)(dian)電(dian)(dian)(dian)器(qi)(qi)(qi)和控制電(dian)(dian)(dian)器(qi)(qi)(qi)！青島低(di)壓(ya)(ya)電(dian)(dian)(dian)器(qi)(qi)(qi)選(xuan)型

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