電力(li)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)器的(de)結(jie)構(gou)特(te)(te)(te)性(xing)(xing)電力(li)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)器的(de)結(jie)構(gou)與熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)器的(de)結(jie)構(gou)大(da)致相(xiang)(xiang)同。它主要由(you)(you)熔(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)、外殼和(he)(he)支座3部(bu)分(fen)(fen)組(zu)成(cheng)(cheng)，其(qi)中熔(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)是(shi)控(kong)制(zhi)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)特(te)(te)(te)性(xing)(xing)的(de)關鍵元件。熔(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)的(de)材(cai)料(liao)、尺寸(cun)(cun)和(he)(he)形狀(zhuang)(zhuang)決定了熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)特(te)(te)(te)性(xing)(xing)。熔(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)材(cai)料(liao)分(fen)(fen)為(wei)低(di)(di)熔(rong)(rong)(rong)(rong)(rong)點(dian)和(he)(he)高熔(rong)(rong)(rong)(rong)(rong)點(dian)兩類。低(di)(di)熔(rong)(rong)(rong)(rong)(rong)點(dian)材(cai)料(liao)如(ru)鉛和(he)(he)鉛合(he)金(jin)，其(qi)熔(rong)(rong)(rong)(rong)(rong)點(dian)低(di)(di)容易(yi)(yi)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)，由(you)(you)于(yu)(yu)其(qi)電阻率較(jiao)(jiao)(jiao)大(da)，故制(zhi)成(cheng)(cheng)熔(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)的(de)截面(mian)(mian)尺寸(cun)(cun)較(jiao)(jiao)(jiao)大(da)，熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)時(shi)產(chan)(chan)(chan)生的(de)金(jin)屬(shu)蒸(zheng)氣(qi)較(jiao)(jiao)(jiao)多，只適用(yong)(yong)于(yu)(yu)低(di)(di)分(fen)(fen)斷(duan)(duan)(duan)(duan)(duan)(duan)能(neng)力(li)的(de)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)器。高熔(rong)(rong)(rong)(rong)(rong)點(dian)材(cai)料(liao)如(ru)銅、銀，其(qi)熔(rong)(rong)(rong)(rong)(rong)點(dian)高，不容易(yi)(yi)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)，但(dan)由(you)(you)于(yu)(yu)其(qi)電阻率較(jiao)(jiao)(jiao)低(di)(di)，可制(zhi)成(cheng)(cheng)比低(di)(di)熔(rong)(rong)(rong)(rong)(rong)點(dian)熔(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)較(jiao)(jiao)(jiao)小的(de)截面(mian)(mian)尺寸(cun)(cun)，熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)時(shi)產(chan)(chan)(chan)生的(de)金(jin)屬(shu)蒸(zheng)氣(qi)少(shao)，適用(yong)(yong)于(yu)(yu)高分(fen)(fen)斷(duan)(duan)(duan)(duan)(duan)(duan)能(neng)力(li)的(de)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)器。熔(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)的(de)形狀(zhuang)(zhuang)分(fen)(fen)為(wei)絲狀(zhuang)(zhuang)和(he)(he)帶狀(zhuang)(zhuang)兩種。改(gai)變(bian)(bian)變(bian)(bian)截面(mian)(mian)的(de)形狀(zhuang)(zhuang)可明顯改(gai)變(bian)(bian)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)器的(de)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)特(te)(te)(te)性(xing)(xing)。熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)器的(de)優(you)點(dian)：①選擇性(xing)(xing)好。上(shang)(shang)下(xia)級(ji)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)器的(de)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)體(ti)(ti)(ti)額定電流(liu)(liu)(liu)只要符(fu)合(he)國標和(he)(he)IEC標準規定的(de)過電流(liu)(liu)(liu)選擇比為(wei)1.6：1的(de)要求，即(ji)上(shang)(shang)級(ji)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)體(ti)(ti)(ti)額定電流(liu)(liu)(liu)不小于(yu)(yu)下(xia)級(ji)的(de)該值的(de)，就(jiu)視為(wei)上(shang)(shang)下(xia)級(ji)能(neng)有選擇性(xing)(xing)切斷(duan)(duan)(duan)(duan)(duan)(duan)故障(zhang)電流(liu)(liu)(liu)；②限(xian)流(liu)(liu)(liu)特(te)(te)(te)性(xing)(xing)好，分(fen)(fen)斷(duan)(duan)(duan)(duan)(duan)(duan)能(neng)力(li)高；③相(xiang)(xiang)對尺寸(cun)(cun)較(jiao)(jiao)(jiao)小；④價(jia)格較(jiao)(jiao)(jiao)便宜。浙江銀河熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)器有限(xian)公司生產(chan)(chan)(chan)的(de)光伏(fu)熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)器產(chan)(chan)(chan)品遠銷美洲，歐洲，非(fei)洲，亞洲等(deng)地(di)，期待與您的(de)合(he)作。溫州快速熔(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)器批發價(jia)

保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)絲選(xuan)(xuan)用(yong)流(liu)(liu)(liu)(liu)(liu)程(cheng):A.確(que)(que)定(ding)(ding)(ding)(ding)(ding)安(an)全標(biao)志:根據產(chan)品(pin)將銷售的市場要(yao)求,選(xuan)(xuan)定(ding)(ding)(ding)(ding)(ding)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)絲的安(an)全認證標(biao)志及(ji)安(an)全標(biao)準(zhun).(UL標(biao)準(zhun)或IEC標(biao)準(zhun)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)絲).B.確(que)(que)定(ding)(ding)(ding)(ding)(ding)外(wai)型尺(chi)寸:根據安(an)裝空間(jian)和(he)確(que)(que)定(ding)(ding)(ding)(ding)(ding)的安(an)全認證標(biao)志及(ji)安(an)全標(biao)準(zhun),選(xuan)(xuan)定(ding)(ding)(ding)(ding)(ding)的保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)絲的外(wai)型尺(chi)寸.C.確(que)(que)定(ding)(ding)(ding)(ding)(ding)型號(hao)(hao):根據被保(bao)(bao)(bao)(bao)(bao)(bao)護回路(lu)的電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)特性(xing)(xing),選(xuan)(xuan)定(ding)(ding)(ding)(ding)(ding)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)絲的型號(hao)(hao).例如(ru),被保(bao)(bao)(bao)(bao)(bao)(bao)護回路(lu)的電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)特性(xing)(xing)為(wei)(wei)恒定(ding)(ding)(ding)(ding)(ding)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu),則(ze)選(xuan)(xuan)用(yong)快速熔斷型.D.確(que)(que)定(ding)(ding)(ding)(ding)(ding)額(e)(e)定(ding)(ding)(ding)(ding)(ding)電(dian)(dian)(dian)壓(ya):根據被保(bao)(bao)(bao)(bao)(bao)(bao)護回路(lu)的輸入電(dian)(dian)(dian)壓(ya)及(ji)使(shi)用(yong)要(yao)求,確(que)(que)定(ding)(ding)(ding)(ding)(ding)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)絲的額(e)(e)定(ding)(ding)(ding)(ding)(ding)電(dian)(dian)(dian)壓(ya).例如(ru),350V等;但考(kao)慮成本(ben)因素,不必選(xuan)(xuan)用(yong)過高的額(e)(e)定(ding)(ding)(ding)(ding)(ding)電(dian)(dian)(dian)壓(ya).E.確(que)(que)定(ding)(ding)(ding)(ding)(ding)額(e)(e)定(ding)(ding)(ding)(ding)(ding)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)（Min）:根據被保(bao)(bao)(bao)(bao)(bao)(bao)護回路(lu)的穩定(ding)(ding)(ding)(ding)(ding)工作(zuo)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)及(ji)相類的使(shi)用(yong)折損系數(shu),初步確(que)(que)定(ding)(ding)(ding)(ding)(ding)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)絲的額(e)(e)定(ding)(ding)(ding)(ding)(ding)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu).F確(que)(que)定(ding)(ding)(ding)(ding)(ding)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)絲的IT值(Min).G.確(que)(que)定(ding)(ding)(ding)(ding)(ding)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)絲的額(e)(e)定(ding)(ding)(ding)(ding)(ding)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu):根據額(e)(e)定(ding)(ding)(ding)(ding)(ding)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)（Min）和(he)IT值（Min）,查產(chan)品(pin)目錄中(zhong)對應型號(hao)(hao)規格,取即大于(yu)(yu)額(e)(e)定(ding)(ding)(ding)(ding)(ding)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)值（Min）且其(qi)IT值也大于(yu)(yu)IT值（Min）的初級額(e)(e)定(ding)(ding)(ding)(ding)(ding)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)規格為(wei)(wei)選(xuan)(xuan)用(yong)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)絲的額(e)(e)定(ding)(ding)(ding)(ding)(ding)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)。陜西直流(liu)(liu)(liu)(liu)(liu)熔斷器(qi)型號(hao)(hao)浙(zhe)江(jiang)銀河(he)熔斷器(qi)有限公司(si)(si)是一家生產(chan)和(he)定(ding)(ding)(ding)(ding)(ding)制各種熔斷器(qi)的專業公司(si)(si)，期(qi)待為(wei)(wei)您服務！

熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)主要的(de)(de)技術指(zhi)標(biao)(biao)。1額定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)：熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)的(de)(de)額定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)應(ying)(ying)大于適(shi)(shi)用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)氣系(xi)(xi)統(tong)(tong)(tong)的(de)(de)標(biao)(biao)稱電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，以適(shi)(shi)應(ying)(ying)可(ke)能(neng)(neng)出現的(de)(de)過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)情況(kuang)，在(zai)過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)的(de)(de)情況(kuang)下，熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)可(ke)能(neng)(neng)會(hui)發生炸裂等危險(xian)的(de)(de)情況(kuang)。2額定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)和持續工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)：額定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)用(yong)(yong)于標(biao)(biao)示(shi)熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)的(de)(de)規格，持續工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)是(shi)指(zhi)在(zai)比(bi)較高的(de)(de)環境溫(wen)(wen)度(du)(du)下，持續通過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)路的(de)(de)最(zui)大電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)，持續工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)應(ying)(ying)小于額定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)。3連(lian)接(jie)電(dian)(dian)(dian)(dian)(dian)(dian)阻：較大的(de)(de)連(lian)接(jie)電(dian)(dian)(dian)(dian)(dian)(dian)阻會(hui)導致熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)接(jie)觸(chu)點的(de)(de)溫(wen)(wen)度(du)(du)升(sheng)高，工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)會(hui)隨之(zhi)而降(jiang)低。4環境溫(wen)(wen)度(du)(du)：熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)的(de)(de)特(te)性(xing)曲線跟環境溫(wen)(wen)度(du)(du)密切(qie)相(xiang)關，超(chao)出其(qi)使(shi)用(yong)(yong)的(de)(de)溫(wen)(wen)度(du)(du)范圍，會(hui)引(yin)起(qi)熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)內部電(dian)(dian)(dian)(dian)(dian)(dian)阻的(de)(de)升(sheng)高，進一(yi)步使(shi)得其(qi)溫(wen)(wen)度(du)(du)升(sheng)高，這樣(yang)(yang)使(shi)得熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)會(hui)有降(jiang)額現象產生，因此(ci)在(zai)選(xuan)擇熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)時，應(ying)(ying)考慮環境溫(wen)(wen)度(du)(du)，采用(yong)(yong)相(xiang)應(ying)(ying)的(de)(de)降(jiang)額系(xi)(xi)數(shu)。5時間(jian)-電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)特(te)性(xing)：熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)歸(gui)根(gen)到底(di)是(shi)屬(shu)于電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)保(bao)護，在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)線起(qi)火前將電(dian)(dian)(dian)(dian)(dian)(dian)路切(qie)斷(duan)(duan)(duan)(duan)，因此(ci)，熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)的(de)(de)選(xuan)擇應(ying)(ying)在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)線運(yun)行溫(wen)(wen)度(du)(du)Tmax超(chao)過(guo)(guo)(guo)之(zhi)前熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)，這樣(yang)(yang)才(cai)(cai)能(neng)(neng)保(bao)證(zheng)系(xi)(xi)統(tong)(tong)(tong)的(de)(de)安全。6選(xuan)擇性(xing)：熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)應(ying)(ying)分層(ceng)設計(ji)，設計(ji)的(de)(de)過(guo)(guo)(guo)程中，應(ying)(ying)保(bao)證(zheng)底(di)層(ceng)熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)先熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)，高層(ceng)熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)器(qi)(qi)(qi)后熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)或不(bu)熔(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)，這樣(yang)(yang)才(cai)(cai)能(neng)(neng)確保(bao)單路故障不(bu)會(hui)影(ying)響到更高層(ceng)系(xi)(xi)統(tong)(tong)(tong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)氣系(xi)(xi)統(tong)(tong)(tong)正常工作(zuo)。

在新能源汽車中(zhong)，包括純電(dian)動和(he)混(hun)合(he)動力，電(dian)路保護元件或(huo)者(zhe)說(shuo)熔(rong)(rong)(rong)斷(duan)器(qi)，比以往任(ren)何時候都更(geng)為(wei)重要(yao)(yao)(yao)，低壓(ya)熔(rong)(rong)(rong)斷(duan)器(qi)和(he)車規電(dian)氣的(de)交叉應用(yong)對熔(rong)(rong)(rong)斷(duan)器(qi)提出了(le)更(geng)具(ju)挑戰性(xing)(xing)的(de)要(yao)(yao)(yao)求(qiu)(qiu)。傳統的(de)電(dian)子電(dian)力熔(rong)(rong)(rong)斷(duan)器(qi)，其特性(xing)(xing)由UL248系(xi)列北美標準或(huo)IEC60127/60269系(xi)列覆蓋(gai)，對熔(rong)(rong)(rong)斷(duan)器(qi)的(de)可(ke)靠(kao)性(xing)(xing)沒有要(yao)(yao)(yao)求(qiu)(qiu);傳統的(de)汽車熔(rong)(rong)(rong)斷(duan)器(qi)，由ISO8820系(xi)列標準定義(yi)(yi)，定義(yi)(yi)了(le)跟汽車線束的(de)匹配(pei)及可(ke)靠(kao)性(xing)(xing)要(yao)(yao)(yao)求(qiu)(qiu)，但其額定電(dian)壓(ya)只覆蓋(gai)32VDC及以下(新的(de)ISO8820-7/8定義(yi)(yi)了(le)燃料電(dian)池和(he)混(hun)合(he)動力汽車使用(yong)的(de)熔(rong)(rong)(rong)斷(duan)器(qi)，也只到450VDC和(he))。目前,乘用(yong)車的(de)工作電(dian)壓(ya)一般為(wei)370V以上，大巴車達到576V以上，遠高(gao)于傳統汽車電(dian)氣部件的(de)12V/24V。如此高(gao)的(de)工作平臺電(dian)壓(ya)，要(yao)(yao)(yao)求(qiu)(qiu)EV/HEV熔(rong)(rong)(rong)斷(duan)器(qi)要(yao)(yao)(yao)求(qiu)(qiu)兼具(ju)低壓(ya)熔(rong)(rong)(rong)斷(duan)器(qi)的(de)高(gao)分斷(duan)能力和(he)汽車熔(rong)(rong)(rong)斷(duan)器(qi)的(de)高(gao)可(ke)靠(kao)性(xing)(xing)。浙江(jiang)銀河熔(rong)(rong)(rong)斷(duan)器(qi)有限公司生產的(de)光伏(fu)熔(rong)(rong)(rong)斷(duan)器(qi)獲得國內外客戶的(de)一致好評，竭誠為(wei)您服務！

當短(duan)(duan)(duan)路(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)流(liu)(liu)(liu)(liu)(liu)(liu)過(guo)(guo)保(bao)(bao)險絲時，保(bao)(bao)險絲會在(zai)5毫(hao)秒(miao)內熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)。與斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)相(xiang)比，斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)的短(duan)(duan)(duan)路(lu)(lu)(lu)(lu)保(bao)(bao)護(hu)開斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)時間(jian)(jian)不小于(yu)25毫(hao)秒(miao)。熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)的熱穩(wen)(wen)定(ding)性(xing)(xing)高于(yu)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)。熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)無觸(chu)點，無動(dong)(dong)態(tai)穩(wen)(wen)定(ding)性(xing)(xing)，斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)有動(dong)(dong)態(tai)穩(wen)(wen)定(ding)性(xing)(xing)。熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)具有限(xian)(xian)流(liu)(liu)(liu)(liu)(liu)(liu)特(te)性(xing)(xing)，能(neng)(neng)快(kuai)速(su)切斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)高短(duan)(duan)(duan)路(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)。相(xiang)比之(zhi)下，普通斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)能(neng)(neng)承受的沖擊短(duan)(duan)(duan)路(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)較小，承受能(neng)(neng)力與成本(ben)成正比。當熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)和斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)同時布置在(zai)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)中時，熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)的作用是(shi)(shi)(shi)保(bao)(bao)護(hu)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)(qi)(qi)，從而(er)提前實現(xian)短(duan)(duan)(duan)路(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)的中斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)。我(wo)們(men)的角(jiao)色被稱(cheng)為(wei)(wei)后(hou)(hou)背保(bao)(bao)護(hu)。熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)的限(xian)(xian)流(liu)(liu)(liu)(liu)(liu)(liu)特(te)性(xing)(xing)我(wo)們(men)100A額定(ding)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)為(wei)(wei)例。當線路(lu)(lu)(lu)(lu)中的短(duan)(duan)(duan)路(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)達到(dao)50kA（橫坐(zuo)標值(zhi)，有效(xiao)值(zhi)）時，對于(yu)100A的熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)來(lai)說，它的截斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)是(shi)(shi)(shi)12kA（縱坐(zuo)標值(zhi)，有效(xiao)值(zhi)），兩者之(zhi)比是(shi)(shi)(shi)12/50=24%。這(zhe)個比值(zhi)叫做限(xian)(xian)流(liu)(liu)(liu)(liu)(liu)(liu)比，它反映出熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)的限(xian)(xian)流(liu)(liu)(liu)(liu)(liu)(liu)特(te)性(xing)(xing)。原始的短(duan)(duan)(duan)路(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)是(shi)(shi)(shi)天(tian)藍色的區域(yu)，限(xian)(xian)流(liu)(liu)(liu)(liu)(liu)(liu)后(hou)(hou)的是(shi)(shi)(shi)綠色的區域(yu)，我(wo)們(men)能(neng)(neng)看(kan)到(dao)限(xian)(xian)流(liu)(liu)(liu)(liu)(liu)(liu)的特(te)點和意義。注意：我(wo)們(men)看(kan)到(dao)熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)能(neng)(neng)在(zai)1/4周波(bo)內切斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)短(duan)(duan)(duan)路(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)。可見，熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)的動(dong)(dong)作特(te)性(xing)(xing)非常迅速(su)，我(wo)們(men)把它叫做短(duan)(duan)(duan)路(lu)(lu)(lu)(lu)瞬態(tai)動(dong)(dong)作特(te)性(xing)(xing)。我(wo)們(men)再看(kan)熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)的安(an)秒(miao)特(te)性(xing)(xing)：所謂安(an)秒(miao)特(te)性(xing)(xing)，指的是(shi)(shi)(shi)曲線橫坐(zuo)標是(shi)(shi)(shi)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)，縱坐(zuo)標是(shi)(shi)(shi)時間(jian)(jian)，安(an)秒(miao)特(te)性(xing)(xing)是(shi)(shi)(shi)開關(guan)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)的身份證。熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)的動(dong)(dong)作時間(jian)(jian)都(dou)在(zai)10毫(hao)秒(miao)以內。熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)不僅適(shi)合于(yu)執行短(duan)(duan)(duan)路(lu)(lu)(lu)(lu)保(bao)(bao)護(hu)，更適(shi)合于(yu)過(guo)(guo)載保(bao)(bao)護(hu)。浙江銀(yin)河熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)有限(xian)(xian)公(gong)司40來(lai)年專注于(yu)熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)的生產和發展，質(zhi)量保(bao)(bao)證，歡(huan)迎您來(lai)電(dian)(dian)(dian)(dian)咨詢！溫州快(kuai)速(su)熔(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)(duan)(duan)(duan)(duan)器(qi)(qi)(qi)(qi)(qi)批發價

浙江(jiang)銀河熔斷(duan)器有限公司致力于生(sheng)產(chan)和研發新(xin)能源汽車熔斷(duan)器，品種齊全(quan)，期待(dai)您的來電咨(zi)詢。溫州(zhou)快速熔斷(duan)器批(pi)發價(jia)

熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)額定(ding)電(dian)流不等(deng)于(yu)(yu)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)器(qi)額定(ding)電(dian)流，熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)額定(ding)電(dian)流按被保(bao)護設備(bei)的(de)(de)負荷電(dian)流選擇，熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)器(qi)額定(ding)電(dian)流應(ying)大(da)(da)于(yu)(yu)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)額定(ding)電(dian)流，與主電(dian)器(qi)配(pei)合(he)確定(ding)。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)器(qi)主要(yao)由(you)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)、外殼和支座3部分組成，其(qi)中熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)是控制熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)特(te)性的(de)(de)關(guan)鍵元件。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)的(de)(de)材(cai)料、尺寸(cun)和形(xing)狀(zhuang)(zhuang)(zhuang)決定(ding)了熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)特(te)性。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)材(cai)料分為低熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)和高熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)兩類。低熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)材(cai)料如鉛(qian)和鉛(qian)合(he)金，其(qi)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)低容易熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)，由(you)于(yu)(yu)其(qi)電(dian)阻率(lv)較(jiao)(jiao)大(da)(da)，故制成熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)的(de)(de)截面(mian)尺寸(cun)較(jiao)(jiao)大(da)(da)，熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)時產(chan)生的(de)(de)金屬蒸(zheng)(zheng)氣(qi)較(jiao)(jiao)多，只適(shi)(shi)用于(yu)(yu)低分斷(duan)(duan)能力(li)的(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)器(qi)。高熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)材(cai)料如銅(tong)、銀，其(qi)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)高，不容易熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)，但(dan)由(you)于(yu)(yu)其(qi)電(dian)阻率(lv)較(jiao)(jiao)低，可(ke)制成比低熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)較(jiao)(jiao)小的(de)(de)截面(mian)尺寸(cun)，熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)時產(chan)生的(de)(de)金屬蒸(zheng)(zheng)氣(qi)少(shao)，適(shi)(shi)用于(yu)(yu)高分斷(duan)(duan)能力(li)的(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)器(qi)。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)的(de)(de)形(xing)狀(zhuang)(zhuang)(zhuang)分為絲狀(zhuang)(zhuang)(zhuang)和帶(dai)狀(zhuang)(zhuang)(zhuang)兩種。改變(bian)變(bian)截面(mian)的(de)(de)形(xing)狀(zhuang)(zhuang)(zhuang)可(ke)明顯改變(bian)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)器(qi)的(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)特(te)性。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)器(qi)有各種不同的(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)特(te)性曲(qu)線(xian)，可(ke)以適(shi)(shi)用于(yu)(yu)不同類型(xing)保(bao)護對象的(de)(de)需要(yao)。溫州(zhou)快(kuai)速熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)器(qi)批(pi)發價

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