美國(guo)仙(xian)童Fairchild傳感器現貨

轉(zhuan)(zhuan)和星-三(san)角起動(dong)(dong)等(deng)。這些部件通(tong)(tong)過(guo)螺栓緊固為一個(ge)整體。轉(zhuan)(zhuan)換(huan)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)又稱(cheng)組合開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)，與(yu)刀開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)的(de)(de)(de)操作不同，它是(shi)左右旋(xuan)轉(zhuan)(zhuan)的(de)(de)(de)平面操作。轉(zhuan)(zhuan)換(huan)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)具(ju)有多觸(chu)(chu)(chu)點(dian)(dian)、多位(wei)置、體積(ji)小、性(xing)能可靠、操作方便、安裝靈活等(deng)優(you)點(dian)(dian)，多用(yong)于機(ji)床電(dian)(dian)氣控制(zhi)線(xian)路(lu)中電(dian)(dian)源的(de)(de)(de)引(yin)入開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)，起著隔離電(dian)(dian)源作用(yong)，還可作為直接控制(zhi)小容量異步(bu)電(dian)(dian)動(dong)(dong)機(ji)不頻繁起動(dong)(dong)和停(ting)止(zhi)的(de)(de)(de)控制(zhi)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)。轉(zhuan)(zhuan)換(huan)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)同樣也(ye)有單極(ji)、雙極(ji)和三(san)極(ji)。轉(zhuan)(zhuan)換(huan)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)的(de)(de)(de)接觸(chu)(chu)(chu)系統(tong)是(shi)由數個(ge)裝嵌在絕緣(yuan)殼體內的(de)(de)(de)靜觸(chu)(chu)(chu)頭(tou)座和可動(dong)(dong)支架中的(de)(de)(de)動(dong)(dong)觸(chu)(chu)(chu)頭(tou)構(gou)成。動(dong)(dong)觸(chu)(chu)(chu)頭(tou)是(shi)雙斷點(dian)(dian)對接式的(de)(de)(de)觸(chu)(chu)(chu)橋，在附有手柄的(de)(de)(de)轉(zhuan)(zhuan)軸上，隨轉(zhuan)(zhuan)軸旋(xuan)至不同位(wei)置使(shi)電(dian)(dian)路(lu)接通(tong)(tong)或斷開(kai)(kai)(kai)。定位(wei)機(ji)構(gou)采(cai)用(yong)滾輪卡棘(ji)輪結(jie)構(gou)，配(pei)置不同的(de)(de)(de)限位(wei)件，例如常(chang)(chang)用(yong)LW5/YH2/2型轉(zhuan)(zhuan)換(huan)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)常(chang)(chang)用(yong)于轉(zhuan)(zhuan)換(huan)測量三(san)相(xiang)電(dian)(dian)壓(ya)使(shi)用(yong)。

組合開(kai)關(guan)(guan)(guan)適用(yong)(yong)于交(jiao)流50HZ，電(dian)(dian)(dian)(dian)壓(ya)至380V及(ji)以(yi)下，直流電(dian)(dian)(dian)(dian)壓(ya)220V及(ji)以(yi)下，作手動不頻繁接通或(huo)分斷電(dian)(dian)(dian)(dian)路(lu)，換(huan)(huan)接電(dian)(dian)(dian)(dian)源(yuan)(yuan)或(huo)負載，可承載電(dian)(dian)(dian)(dian)流一般較大。可獲得不同檔位的(de)開(kai)關(guan)(guan)(guan)。在(zai)控制(zhi)和測量系(xi)統中，采用(yong)(yong)轉(zhuan)(zhuan)(zhuan)換(huan)(huan)開(kai)關(guan)(guan)(guan)可進行電(dian)(dian)(dian)(dian)路(lu)的(de)轉(zhuan)(zhuan)(zhuan)換(huan)(huan)。例如電(dian)(dian)(dian)(dian)工設備供(gong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)源(yuan)(yuan)的(de)倒換(huan)(huan)，電(dian)(dian)(dian)(dian)動機的(de)正反轉(zhuan)(zhuan)(zhuan)倒換(huan)(huan)，測量回路(lu)中電(dian)(dian)(dian)(dian)壓(ya)、電(dian)(dian)(dian)(dian)流的(de)換(huan)(huan)相等(deng)等(deng)。轉(zhuan)(zhuan)(zhuan)換(huan)(huan)開(kai)關(guan)(guan)(guan)是(shi)刀開(kai)關(guan)(guan)(guan)的(de)一種(zhong)發展(zhan)，在(zai)控制(zhi)電(dian)(dian)(dian)(dian)路(lu)中，經(jing)常用(yong)(yong)到兩(liang)(liang)路(lu)或(huo)兩(liang)(liang)路(lu)以(yi)上(shang)(shang)的(de)電(dian)(dian)(dian)(dian)源(yuan)(yuan)或(huo)負載換(huan)(huan)用(yong)(yong)的(de)開(kai)關(guan)(guan)(guan)電(dian)(dian)(dian)(dian)器---轉(zhuan)(zhuan)(zhuan)換(huan)(huan)開(kai)關(guan)(guan)(guan)。使(shi)用(yong)(yong)時，正確連(lian)接轉(zhuan)(zhuan)(zhuan)換(huan)(huan)開(kai)關(guan)(guan)(guan)與其他電(dian)(dian)(dian)(dian)器元件是(shi)很必要的(de)。這里介(jie)紹(shao)轉(zhuan)(zhuan)(zhuan)換(huan)(huan)開(kai)關(guan)(guan)(guan)的(de)接法與用(yong)(yong)途(tu)。轉(zhuan)(zhuan)(zhuan)換(huan)(huan)開(kai)關(guan)(guan)(guan)是(shi)一種(zhong)可供(gong)兩(liang)(liang)路(lu)或(huo)兩(liang)(liang)路(lu)以(yi)上(shang)(shang)電(dian)(dian)(dian)(dian)源(yuan)(yuan)或(huo)負載轉(zhuan)(zhuan)(zhuan)換(huan)(huan)用(yong)(yong)的(de)開(kai)關(guan)(guan)(guan)電(dian)(dian)(dian)(dian)器。美國仙童Fairchild傳感器現貨

我公(gong)(gong)司(si)不但(dan)銷售(shou)工(gong)(gong)控(kong),液壓,氣動產(chan)品，同(tong)時(shi)我公(gong)(gong)司(si)也(ye)購(gou)買工(gong)(gong)控(kong)產(chan)品，如果(guo)你公(gong)(gong)司(si)擁(yong)有工(gong)(gong)控(kong)庫(ku)存，并具有優(you)勢價格(ge)。非(fei)常歡迎(ying)你和我公(gong)(gong)司(si)。相信我們的一(yi)定(ding)能夠合(he)作愉快。如果(guo)你愿意(yi)，我公(gong)(gong)司(si)也(ye)真誠的歡迎(ying)你來我公(gong)(gong)司(si)參觀考察，我公(gong)(gong)司(si)將(jiang)盡zui大的努力使你在上海之行倍感輕松(song)愉快，有所(suo)收獲。同(tong)時(shi)，如果(guo)你公(gong)(gong)司(si)方便，我公(gong)(gong)司(si)也(ye)十分愿意(yi)到(dao)你公(gong)(gong)司(si)和你面談，希望得到(dao)你公(gong)(gong)司(si)的允許和協(xie)助

其區別是(shi)刀(dao)開關(guan)操作(zuo)時上(shang)下平(ping)面動(dong)作(zuo),轉(zhuan)(zhuan)換開關(guan)則是(shi)左右旋轉(zhuan)(zhuan)平(ping)面動(dong)作(zuo),并且可制(zhi)(zhi)(zhi)成多(duo)觸(chu)頭、多(duo)檔位的開關(guan)。轉(zhuan)(zhuan)換開關(guan)可作(zuo)為電路控(kong)制(zhi)(zhi)(zhi)開關(guan)、測(ce)試設備開關(guan)、電動(dong)機(ji)控(kong)制(zhi)(zhi)(zhi)開關(guan)和主令控(kong)制(zhi)(zhi)(zhi)開關(guan)，及電焊機(ji)用(yong)轉(zhuan)(zhuan)換開關(guan)等。轉(zhuan)(zhuan)換開關(guan)一般應(ying)用(yong)于(yu)交流(liu)50HZ，電壓至380V及以下，直(zhi)流(liu)電壓220V及以下電路中轉(zhuan)(zhuan)換電氣(qi)控(kong)制(zhi)(zhi)(zhi)線路和電氣(qi)測(ce)量儀表。美國仙童Fairchild傳感(gan)器現貨