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19925349843保險絲怎么選擇
首先保險絲到底是什么(me)呢？ 其(qi)是保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)是一(yi)些(xie)低熔(rong)(rong)點的(de)(de)(de)(de)(de)(de)合金做成的(de)(de)(de)(de)(de)(de)，常用(yong)(yong)的(de)(de)(de)(de)(de)(de)是鉛和(he)錫(xi)的(de)(de)(de)(de)(de)(de)合金（鉛75% 錫(xi)25%），還有用(yong)(yong)鉛、錫(xi)、鉛銻合金制成。 一(yi)般保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)裝(zhuang)在保(bao)(bao)(bao)險(xian)(xian)(xian)盒(熔(rong)(rong)斷(duan)(duan)器)或閘刀開關內，串(chuan)聯接在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)(zhong)。當(dang)(dang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)過(guo)大時，由于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)(de)(de)(de)熱(re)效應，保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)首先熔(rong)(rong)化而(er)被燒斷(duan)(duan)，使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)自(zi)動切(qie)(qie)斷(duan)(duan)，從而(er)保(bao)(bao)(bao)護了電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源和(he)用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)設備的(de)(de)(de)(de)(de)(de)安全。 保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)的(de)(de)(de)(de)(de)(de)額定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(允許(xu)通過(guo)的(de)(de)(de)(de)(de)(de)最(zui)(zui)大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu))和(he)熔(rong)(rong)斷(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(使(shi)保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)熔(rong)(rong)斷(duan)(duan)的(de)(de)(de)(de)(de)(de)最(zui)(zui)小電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu))是它的(de)(de)(de)(de)(de)(de)兩個重要(yao)(yao)參(can)數(shu)，其(qi)熔(rong)(rong)斷(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)一(yi)般約為額定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)(de)(de)(de)兩倍(bei)。 對(dui)保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)的(de)(de)(de)(de)(de)(de)額定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)(de)(de)(de)選(xuan)(xuan)擇要(yao)(yao)正(zheng)確，使(shi)之在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)正(zheng)常用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)時不熔(rong)(rong)斷(duan)(duan)，當(dang)(dang)嚴重過(guo)載或短路(lu)(lu)(lu)時立即(ji)熔(rong)(rong)斷(duan)(duan)從而(er)自(zi)動切(qie)(qie)斷(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)。 保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)選(xuan)(xuan)得過(guo)粗，起不到保(bao)(bao)(bao)護電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)作用(yong)(yong)，選(xuan)(xuan)得過(guo)細，又(you)會影響正(zheng)常用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)。保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)的(de)(de)(de)(de)(de)(de)選(xuan)(xuan)擇需注(zhu)意以(yi)下四(si)點:1、你(ni)的(de)(de)(de)(de)(de)(de)產品電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)(zhong)經過(guo)保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)多(duo)大及(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓來取決(jue)于你(ni)要(yao)(yao)選(xuan)(xuan)用(yong)(yong)的(de)(de)(de)(de)(de)(de)保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)及(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓.。2、你(ni)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)(zhong)特性(xing)及(ji)要(yao)(yao)求保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)熔(rong)(rong)斷(duan)(duan)時單來決(jue)定(ding)是否選(xuan)(xuan)用(yong)(yong)快斷(duan)(duan)或慢斷(duan)(duan)的(de)(de)(de)(de)(de)(de)保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)，如會產生脈沖的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)(zhong)，一(yi)般選(xuan)(xuan)擇慢斷(duan)(duan)，是純電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻性(xing)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)(zhong)一(yi)般選(xuan)(xuan)擇慢斷(duan)(duan)。3、同時要(yao)(yao)考(kao)慮產品電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)環境溫度對(dui)保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)的(de)(de)(de)(de)(de)(de)壽(shou)命(ming)影響。4、設計(ji)空間的(de)(de)(de)(de)(de)(de)大小來決(jue)定(ding)保(bao)(bao)(bao)險(xian)(xian)(xian)絲(si)(si)(si)尺(chi)寸(cun)。
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