大連潤田(tian)電氣自(zi)動化有限(xian)公司
聯系人:田先(xian)生(sheng)
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電(dian) 話:
網 址:yungeds.cn
地 址:遼寧(ning)省大連市甘井(jing)子區辛(xin)寨(zhai)子天虹開發區工業(ye)園區內
斷路器、接觸器、中間繼電器、熱繼電器、按鈕、指示燈、萬能轉換開關和行程開關是大連配電箱電氣控制回路中最常見的八種元件。
低壓斷路器又稱為自動(dong)空氣開(kai)關(guan),可(ke)手動(dong)開(kai)關(guan),又能(neng)用(yong)來分配(pei)電能(neng)、不(bu)頻繁啟(qi)動(dong)異步電機,對(dui)電源線、電機等實行保護,當它們發生嚴重過載、短路或欠壓等故障時能(neng)自動(dong)切斷電路。
大(da)連配電(dian)(dian)(dian)箱中間繼(ji)電(dian)(dian)(dian)器(qi)的原(yuan)理(li)是將一個輸(shu)入信號(hao)(hao)變成多個輸(shu)出信號(hao)(hao)或(huo)將信號(hao)(hao)放(fang)大(da)(即增大(da)繼(ji)電(dian)(dian)(dian)器(qi)觸(chu)頭容量)的繼(ji)電(dian)(dian)(dian)器(qi)。其實質(zhi)是電(dian)(dian)(dian)壓繼(ji)電(dian)(dian)(dian)器(qi),但它的觸(chu)頭較多(可(ke)多達8對(dui))、觸(chu)頭容量可(ke)達5-10A、動作靈敏。當其他(ta)電(dian)(dian)(dian)器(qi)的觸(chu)頭對(dui)數不夠時,可(ke)借助中間繼(ji)電(dian)(dian)(dian)器(qi)來擴(kuo)展他(ta)們的觸(chu)頭對(dui)數,也有通過中間繼(ji)電(dian)(dian)(dian)器(qi)實現(xian)觸(chu)電(dian)(dian)(dian)通電(dian)(dian)(dian)容量的擴(kuo)展。
大連配(pei)電箱(xiang)內的漏(lou)電保護器額(e)定(ding)漏(lou)電動(dong)作電流不(bu)得大于30mA,額(e)定(ding)漏(lou)電動(dong)作時間應小于0.1s。使用(yong)于潮(chao)濕場(chang)所時,其額(e)定(ding)漏(lou)電動(dong)作電流不(bu)得大于15mA,額(e)定(ding)漏(lou)電動(dong)作時間應小于0.1s。