设(she)备(bei)(bei)的(de)(de)(de)额(e)(e)定(ding)电(dian)流(liu)(liu)通常(chang)(chang)可(ke)以(yi)(yi)在设(she)备(bei)(bei)的(de)(de)(de)技(ji)术规(gui)格(ge)或标识牌上找到(dao)。根(gen)(gen)据设(she)备(bei)(bei)的(de)(de)(de)额(e)(e)定(ding)电(dian)流(liu)(liu)选(xuan)择合适(shi)的(de)(de)(de)熔(rong)(rong)(rong)(rong)断(duan)(duan)器(qi)(qi)(qi)(qi)，保(bao)(bao)(bao)证(zheng)其(qi)能(neng)(neng)够(gou)提(ti)供稳定(ding)的(de)(de)(de)保(bao)(bao)(bao)护(hu)。了解设(she)备(bei)(bei)的(de)(de)(de)额(e)(e)定(ding)电(dian)流(liu)(liu)也是选(xuan)择适(shi)当熔(rong)(rong)(rong)(rong)断(duan)(duan)器(qi)(qi)(qi)(qi)额(e)(e)定(ding)电(dian)流(liu)(liu)的(de)(de)(de)重(zhong)要参考因素。确(que)保(bao)(bao)(bao)熔(rong)(rong)(rong)(rong)断(duan)(duan)器(qi)(qi)(qi)(qi)能(neng)(neng)够(gou)符合设(she)备(bei)(bei)所(suo)需的(de)(de)(de)额(e)(e)定(ding)电(dian)流(liu)(liu)，以(yi)(yi)保(bao)(bao)(bao)护(hu)设(she)备(bei)(bei)的(de)(de)(de)正(zheng)常(chang)(chang)运(yun)行(xing)。在选(xuan)择熔(rong)(rong)(rong)(rong)断(duan)(duan)器(qi)(qi)(qi)(qi)时，还需要考虑电(dian)路(lu)的(de)(de)(de)断(duan)(duan)开能(neng)(neng)力(li)。断(duan)(duan)开能(neng)(neng)力(li)是指熔(rong)(rong)(rong)(rong)断(duan)(duan)器(qi)(qi)(qi)(qi)能(neng)(neng)够(gou)安全切断(duan)(duan)电(dian)路(lu)的(de)(de)(de)电(dian)流(liu)(liu)。确(que)保(bao)(bao)(bao)所(suo)选(xuan)熔(rong)(rong)(rong)(rong)断(duan)(duan)器(qi)(qi)(qi)(qi)的(de)(de)(de)断(duan)(duan)开能(neng)(neng)力(li)足够(gou)以(yi)(yi)应对电(dian)路(lu)中的(de)(de)(de)故障(zhang)情况。根(gen)(gen)据使(shi)用(yong)环境(jing)的(de)(de)(de)特(te)殊要求，可(ke)能(neng)(neng)需要选(xuan)择具有(you)特(te)定(ding)材料或特(te)殊保(bao)(bao)(bao)护(hu)功能(neng)(neng)的(de)(de)(de)熔(rong)(rong)(rong)(rong)断(duan)(duan)器(qi)(qi)(qi)(qi)。例如，在高(gao)温(wen)环境(jing)中使(shi)用(yong)的(de)(de)(de)熔(rong)(rong)(rong)(rong)断(duan)(duan)器(qi)(qi)(qi)(qi)应该(gai)具有(you)耐(nai)高(gao)温(wen)的(de)(de)(de)特(te)性。熔(rong)(rong)(rong)(rong)断(duan)(duan)器(qi)(qi)(qi)(qi)的(de)(de)(de)使(shi)用(yong)寿命一(yi)般较长，但在过(guo)载(zai)或短路(lu)发生后，需要更换熔(rong)(rong)(rong)(rong)丝以(yi)(yi)恢复正(zheng)常(chang)(chang)工(gong)作。茂(mao)名工(gong)业(ye)熔(rong)(rong)(rong)(rong)断(duan)(duan)器(qi)(qi)(qi)(qi)价格(ge)

安装(zhuang)和维护(hu)高(gao)压(ya)(ya)熔(rong)断(duan)器(qi)(qi)(qi)需要(yao)注意什么？1.高(gao)压(ya)(ya)避(bi)(bi)雷器(qi)(qi)(qi)固定在(zai)固定支架上，上端与高(gao)压(ya)(ya)线连(lian)接(jie)，底部需要(yao)可(ke)(ke)靠的(de)(de)(de)接(jie)地系统。2.电(dian)涌保(bao)护(hu)避(bi)(bi)雷器(qi)(qi)(qi)不(bu)能(neng)(neng)作(zuo)为(wei)复(fu)合绝缘子应用的(de)(de)(de)顶部支撑点，而应尽可(ke)(ke)能(neng)(neng)安装(zhuang)在(zai)靠近被保(bao)护(hu)的(de)(de)(de)机(ji)械设备处，以降低特定维护(hu)间距影响的(de)(de)(de)风(feng)险。3.智能(neng)(neng)终端的(de)(de)(de)高(gao)压(ya)(ya)避(bi)(bi)雷器(qi)(qi)(qi)应安装(zhuang)在(zai)熔(rong)断(duan)器(qi)(qi)(qi)后面(mian)，以防(fang)止其损坏。变(bian)压(ya)(ya)器(qi)(qi)(qi)的(de)(de)(de)低工(gong)作(zuo)电(dian)压(ya)(ya)侧需要(yao)装(zhuang)设具有(you)低工(gong)作(zuo)电(dian)压(ya)(ya)的(de)(de)(de)高(gao)压(ya)(ya)避(bi)(bi)雷器(qi)(qi)(qi)，以防(fang)止正负极转换(huan)产生的(de)(de)(de)过电(dian)压(ya)(ya)损坏变(bian)压(ya)(ya)器(qi)(qi)(qi)。4.氢氧化(hua)物高(gao)压(ya)(ya)避(bi)(bi)雷器(qi)(qi)(qi)投入使(shi)用前(qian)和每运(yun)行一(yi)年后，应进(jin)行预防(fang)性试(shi)验。5.氢氧化(hua)物高(gao)压(ya)(ya)避(bi)(bi)雷器(qi)(qi)(qi)由铜制成，内含双层后盖板密(mi)封。资产投入使(shi)用后，应每五年进(jin)行一(yi)次预防(fang)性测(ce)试(shi)。茂名工(gong)业熔(rong)断(duan)器(qi)(qi)(qi)价格(ge)熔(rong)断(duan)器(qi)(qi)(qi)的(de)(de)(de)标准化(hua)和模(mo)块(kuai)化(hua)设计(ji)使(shi)得更换(huan)和维修变(bian)得简单和快(kuai)速。

当电(dian)(dian)路(lu)(lu)(lu)(lu)中出现短路(lu)(lu)(lu)(lu)时，熔(rong)(rong)断(duan)(duan)(duan)器(qi)会迅速切(qie)断(duan)(duan)(duan)电(dian)(dian)路(lu)(lu)(lu)(lu)。短路(lu)(lu)(lu)(lu)是电(dian)(dian)流(liu)(liu)绕过(guo)原定(ding)(ding)路(lu)(lu)(lu)(lu)径直接流(liu)(liu)回电(dian)(dian)源所产生的现象。熔(rong)(rong)断(duan)(duan)(duan)器(qi)的迅速切(qie)断(duan)(duan)(duan)防(fang)止了电(dian)(dian)流(liu)(liu)过(guo)大损坏(huai)设(she)(she)备或引(yin)发火灾。熔(rong)(rong)断(duan)(duan)(duan)器(qi)还(hai)可以(yi)起到过(guo)载保护的作用(yong)。在负载过(guo)大时，电(dian)(dian)流(liu)(liu)会超过(guo)设(she)(she)备的额(e)(e)定(ding)(ding)值，这可能导致设(she)(she)备过(guo)热甚至(zhi)损坏(huai)。熔(rong)(rong)断(duan)(duan)(duan)器(qi)的额(e)(e)定(ding)(ding)值设(she)(she)定(ding)(ding)为(wei)负载能够(gou)正常工作的电(dian)(dian)流(liu)(liu)，一旦超过(guo)该额(e)(e)定(ding)(ding)值，熔(rong)(rong)断(duan)(duan)(duan)器(qi)会切(qie)断(duan)(duan)(duan)电(dian)(dian)路(lu)(lu)(lu)(lu)，防(fang)止设(she)(she)备过(guo)载。熔(rong)(rong)断(duan)(duan)(duan)器(qi)通常标(biao)有额(e)(e)定(ding)(ding)电(dian)(dian)流(liu)(liu)。这是指(zhi)熔(rong)(rong)断(duan)(duan)(duan)器(qi)能够(gou)正常工作的电(dian)(dian)流(liu)(liu)，一旦超过(guo)该额(e)(e)定(ding)(ding)电(dian)(dian)流(liu)(liu)，熔(rong)(rong)断(duan)(duan)(duan)器(qi)会迅速切(qie)断(duan)(duan)(duan)电(dian)(dian)路(lu)(lu)(lu)(lu)。

气(qi)体(ti)(ti)熔(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)使用(yong)(yong)(yong)(yong)气(qi)体(ti)(ti)作(zuo)为触(chu)发(fa)(fa)(fa)机(ji)(ji)构(gou)。当电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)超(chao)过熔(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)额(e)(e)定值(zhi)时(shi)，气(qi)体(ti)(ti)会(hui)发(fa)(fa)(fa)生(sheng)压(ya)力变(bian)化(hua)，使得(de)触(chu)发(fa)(fa)(fa)机(ji)(ji)构(gou)动(dong)(dong)(dong)作(zuo)，切断(duan)(duan)(duan)(duan)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)。气(qi)体(ti)(ti)熔(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)适用(yong)(yong)(yong)(yong)于高电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)和高电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)的应(ying)用(yong)(yong)(yong)(yong)场(chang)景。电(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)熔(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)是一种(zhong)(zhong)使用(yong)(yong)(yong)(yong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)元件作(zuo)为触(chu)发(fa)(fa)(fa)机(ji)(ji)构(gou)的熔(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)。当电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)超(chao)过熔(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)额(e)(e)定值(zhi)时(shi)，电(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)元件会(hui)发(fa)(fa)(fa)生(sheng)变(bian)化(hua)，使得(de)触(chu)发(fa)(fa)(fa)机(ji)(ji)构(gou)动(dong)(dong)(dong)作(zuo)，切断(duan)(duan)(duan)(duan)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)。电(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)熔(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)适用(yong)(yong)(yong)(yong)于需要精确控(kong)制(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)的应(ying)用(yong)(yong)(yong)(yong)场(chang)景。电(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)熔(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)是一种(zhong)(zhong)使用(yong)(yong)(yong)(yong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)机(ji)(ji)作(zuo)为触(chu)发(fa)(fa)(fa)机(ji)(ji)构(gou)的熔(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)。当电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)超(chao)过熔(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)额(e)(e)定值(zhi)时(shi)，电(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)机(ji)(ji)会(hui)启(qi)动(dong)(dong)(dong)，使得(de)触(chu)发(fa)(fa)(fa)机(ji)(ji)构(gou)动(dong)(dong)(dong)作(zuo)，切断(duan)(duan)(duan)(duan)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)。电(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)熔(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)适用(yong)(yong)(yong)(yong)于需要远程控(kong)制(zhi)和操(cao)作(zuo)的应(ying)用(yong)(yong)(yong)(yong)场(chang)景。快速熔(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)是一种(zhong)(zhong)能够在(zai)极短时(shi)间内切断(duan)(duan)(duan)(duan)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)的设(she)备，用(yong)(yong)(yong)(yong)于保护对电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)变(bian)化(hua)敏感的设(she)备。

工(gong)作(zuo)(zuo)原理(li)：1，当(dang)电(dian)流(liu)(liu)流(liu)(liu)过(guo)(guo)导(dao)(dao)体(ti)时(shi)，因导(dao)(dao)体(ti)存(cun)在(zai)一(yi)(yi)定(ding)(ding)的(de)(de)(de)电(dian)阻(zu)，所以(yi)导(dao)(dao)体(ti)将会(hui)发(fa)热(re)(re)(re)。且发(fa)热(re)(re)(re)量(liang)(liang)遵循(xun)着这个公式：Q=0.24I2RT；其(qi)中Q是(shi)(shi)发(fa)热(re)(re)(re)量(liang)(liang)，0.24是(shi)(shi)一(yi)(yi)个常数，I是(shi)(shi)流(liu)(liu)过(guo)(guo)导(dao)(dao)体(ti)的(de)(de)(de)电(dian)流(liu)(liu)，R是(shi)(shi)导(dao)(dao)体(ti)的(de)(de)(de)电(dian)阻(zu)，T是(shi)(shi)电(dian)流(liu)(liu)流(liu)(liu)过(guo)(guo)导(dao)(dao)体(ti)的(de)(de)(de)时(shi)间(jian)；依(yi)此公式我们不(bu)难看出熔断器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)简单的(de)(de)(de)工(gong)作(zuo)(zuo)原理(li)了(le)。一(yi)(yi)种熔断器(qi)(qi)(qi)(qi)(qi)当(dang)制作(zuo)(zuo)熔断器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)材料及(ji)(ji)其(qi)形状(zhuang)确(que)定(ding)(ding)了(le)，其(qi)电(dian)阻(zu)R就相对确(que)定(ding)(ding)了(le)（若不(bu)考虑它的(de)(de)(de)电(dian)阻(zu)温(wen)度系(xi)数）。2，当(dang)电(dian)流(liu)(liu)流(liu)(liu)过(guo)(guo)它时(shi)，它就会(hui)发(fa)热(re)(re)(re)，随(sui)着时(shi)间(jian)的(de)(de)(de)增(zeng)加(jia)其(qi)发(fa)热(re)(re)(re)量(liang)(liang)也在(zai)增(zeng)加(jia)。电(dian)流(liu)(liu)与电(dian)阻(zu)的(de)(de)(de)大(da)小确(que)定(ding)(ding)了(le)产生(sheng)热(re)(re)(re)量(liang)(liang)的(de)(de)(de)速(su)度，熔断器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)构造与其(qi)安(an)装的(de)(de)(de)状(zhuang)况确(que)定(ding)(ding)了(le)热(re)(re)(re)量(liang)(liang)耗(hao)散(san)的(de)(de)(de)速(su)度，若产生(sheng)热(re)(re)(re)量(liang)(liang)的(de)(de)(de)速(su)度小于热(re)(re)(re)量(liang)(liang)耗(hao)散(san)的(de)(de)(de)速(su)度时(shi)，熔断器(qi)(qi)(qi)(qi)(qi)是(shi)(shi)不(bu)会(hui)熔断的(de)(de)(de)。若产生(sheng)热(re)(re)(re)量(liang)(liang)的(de)(de)(de)速(su)度等于热(re)(re)(re)量(liang)(liang)耗(hao)散(san)的(de)(de)(de)速(su)度时(shi)，在(zai)相当(dang)长的(de)(de)(de)时(shi)间(jian)内(nei)它也不(bu)会(hui)熔断。3，若产生(sheng)热(re)(re)(re)量(liang)(liang)的(de)(de)(de)速(su)度大(da)于热(re)(re)(re)量(liang)(liang)耗(hao)散(san)的(de)(de)(de)速(su)度时(shi)，那么产生(sheng)的(de)(de)(de)热(re)(re)(re)量(liang)(liang)就会(hui)越来越多。又(you)因为它有一(yi)(yi)定(ding)(ding)比热(re)(re)(re)及(ji)(ji)质(zhi)量(liang)(liang)，其(qi)热(re)(re)(re)量(liang)(liang)的(de)(de)(de)增(zeng)加(jia)就表(biao)现在(zai)温(wen)度的(de)(de)(de)升高上，当(dang)温(wen)度升高到熔断器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)熔点(dian)以(yi)上时(shi)熔断器(qi)(qi)(qi)(qi)(qi)就发(fa)生(sheng)了(le)熔断。这就是(shi)(shi)熔断器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)工(gong)作(zuo)(zuo)原理(li)。熔断器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)安(an)装应符合(he)相关的(de)(de)(de)安(an)全规范和(he)标准，确(que)保(bao)正常运行和(he)提供有效的(de)(de)(de)保(bao)护。汕尾(wei)直流(liu)(liu)熔断器(qi)(qi)(qi)(qi)(qi)企业(ye)

熔断(duan)器通过熔化(hua)导体来切断(duan)电(dian)路，防止电(dian)流(liu)超过额定(ding)值而引发危险。茂名工业熔断(duan)器价格

常见种类：插入式熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)：它(ta)常用(yong)(yong)于(yu)380V及以(yi)(yi)下电(dian)(dian)(dian)(dian)(dian)(dian)压等级(ji)的(de)(de)线路(lu)(lu)(lu)末端(duan)，作为配电(dian)(dian)(dian)(dian)(dian)(dian)支线或(huo)电(dian)(dian)(dian)(dian)(dian)(dian)气(qi)设备(bei)的(de)(de)短(duan)路(lu)(lu)(lu)保(bao)护用(yong)(yong)。螺旋式熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)：熔(rong)(rong)(rong)(rong)(rong)(rong)体(ti)(ti)上的(de)(de)上端(duan)盖(gai)有一(yi)熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)指(zhi)示器(qi)(qi)(qi)，一(yi)旦熔(rong)(rong)(rong)(rong)(rong)(rong)体(ti)(ti)熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)，指(zhi)示器(qi)(qi)(qi)马上弹(dan)出，可(ke)透过(guo)瓷(ci)帽上的(de)(de)玻璃孔观察到，它(ta)常用(yong)(yong)于(yu)机床电(dian)(dian)(dian)(dian)(dian)(dian)气(qi)控制(zhi)设备(bei)中。封(feng)(feng)闭(bi)式熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)：封(feng)(feng)闭(bi)式熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)分有填(tian)(tian)料(liao)熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)和(he)无填(tian)(tian)料(liao)熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)两种。有填(tian)(tian)料(liao)熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)一(yi)般用(yong)(yong)方形瓷(ci)管，内装石英砂及熔(rong)(rong)(rong)(rong)(rong)(rong)体(ti)(ti)，分断(duan)(duan)(duan)(duan)能力(li)(li)强，用(yong)(yong)于(yu)电(dian)(dian)(dian)(dian)(dian)(dian)压等级(ji)500V以(yi)(yi)下、电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)等级(ji)1KA以(yi)(yi)下的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中。无填(tian)(tian)料(liao)密闭(bi)式熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)将(jiang)熔(rong)(rong)(rong)(rong)(rong)(rong)体(ti)(ti)装入密闭(bi)式圆筒中，分断(duan)(duan)(duan)(duan)能力(li)(li)稍(shao)小，用(yong)(yong)于(yu)500V以(yi)(yi)下，600A以(yi)(yi)下电(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)网或(huo)配电(dian)(dian)(dian)(dian)(dian)(dian)设备(bei)中。快速(su)熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)：快速(su)熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)主要用(yong)(yong)于(yu)半导(dao)体(ti)(ti)整(zheng)流(liu)(liu)元件或(huo)整(zheng)流(liu)(liu)装置的(de)(de)短(duan)路(lu)(lu)(lu)保(bao)护。由于(yu)半导(dao)体(ti)(ti)元件的(de)(de)过(guo)载(zai)能力(li)(li)很低。只能在极(ji)短(duan)时间内承(cheng)受较大的(de)(de)过(guo)载(zai)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)，因此要求短(duan)路(lu)(lu)(lu)保(bao)护具有快速(su)熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)的(de)(de)能力(li)(li)。快速(su)熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)的(de)(de)结构和(he)有填(tian)(tian)料(liao)封(feng)(feng)闭(bi)式熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)基本相同，但熔(rong)(rong)(rong)(rong)(rong)(rong)体(ti)(ti)材料(liao)和(he)形状不同，它(ta)是以(yi)(yi)银片冲(chong)制(zhi)的(de)(de)有V形深(shen)槽的(de)(de)变截面熔(rong)(rong)(rong)(rong)(rong)(rong)体(ti)(ti)。自复(fu)熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)：采用(yong)(yong)金属钠(na)(na)作熔(rong)(rong)(rong)(rong)(rong)(rong)体(ti)(ti)，在常温下具有高电(dian)(dian)(dian)(dian)(dian)(dian)导(dao)率。当电(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)发生短(duan)路(lu)(lu)(lu)故障时，短(duan)路(lu)(lu)(lu)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)产生高温使钠(na)(na)迅速(su)汽(qi)化，汽(qi)态(tai)钠(na)(na)呈现高阻(zu)态(tai)，从而(er)限(xian)制(zhi)了(le)短(duan)路(lu)(lu)(lu)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)。当短(duan)路(lu)(lu)(lu)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)消(xiao)失后(hou)，温度(du)下降，金属钠(na)(na)恢复(fu)原来的(de)(de)良好导(dao)电(dian)(dian)(dian)(dian)(dian)(dian)性能。茂名工业熔(rong)(rong)(rong)(rong)(rong)(rong)断(duan)(duan)(duan)(duan)器(qi)(qi)(qi)价格

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