大連變壓(ya)器柜(ju)是本(ben)公司產品的其中一種，

而大連變頻控制箱 它的空氣開(kai)關(guan) 一個總的空氣開(kai)關(guan)，這(zhe)個是整個柜體的電源控制。相信每(mei)個柜子都必須(xu)要有(you)的一個東西。 

大連PLC控制柜 這個(ge)要根據工(gong)程需要選擇(ze)。打個(ge)比方如果工(gong)程小可以直接就(jiu)(jiu)是(shi)(shi)一個(ge)一體化的PLC但如果工(gong)程比較(jiao)大可能就(jiu)(jiu)需要模(mo)塊(kuai)、卡件式的，同時還(huan)可能需要冗余（也就(jiu)(jiu)是(shi)(shi)兩套交替使(shi)用(yong)）。 

電(dian)源(yuan) ，一個(ge)24VDC的(de)開(kai)關(guan)電(dian)源(yuan)，大多數的(de)PLC都是(shi)自(zi)帶24VDC的(de)電(dian)源(yuan)，根據是(shi)否確實需要來(lai)定是(shi)否要這個(ge)開(kai)關(guan)電(dian)源(yuan)。 

繼電(dian)(dian)器(qi)(qi)(qi) 一(yi)般PLC是(shi)可以直(zhi)接將(jiang)指令(ling)發(fa)到控(kong)(kong)制回(hui)路(lu)里(li)，但(dan)(dan)也可能先由繼電(dian)(dian)器(qi)(qi)(qi)中(zhong)轉。打個比方，如(ru)果你(ni)PLC的(de)(de)(de)(de)輸出口帶電(dian)(dian)是(shi)24VDC的(de)(de)(de)(de)，但(dan)(dan)是(shi)你(ni)的(de)(de)(de)(de)控(kong)(kong)制回(hui)路(lu)里(li)畫的(de)(de)(de)(de)圖需要PLC供的(de)(de)(de)(de)節(jie)點(dian)卻是(shi)220VAC的(de)(de)(de)(de)，那么你(ni)就必須在PLC輸出口加上(shang)一(yi)個繼電(dian)(dian)器(qi)(qi)(qi)，即指令(ling)發(fa)出時繼電(dian)(dian)器(qi)(qi)(qi)動(dong)作，但(dan)(dan)后讓(rang)控(kong)(kong)制回(hui)路(lu)的(de)(de)(de)(de)節(jie)點(dian)接到繼電(dian)(dian)器(qi)(qi)(qi)的(de)(de)(de)(de)常(chang)開或常(chang)閉點(dian)上(shang)。也是(shi)根據情況選擇是(shi)否(fou)使用繼電(dian)(dian)器(qi)(qi)(qi)。 

1.空氣斷路(lu)器是一種不僅能正(zheng)常接觸和斷開電(dian)(dian)(dian)路(lu)，并能在過電(dian)(dian)(dian)流、逆電(dian)(dian)(dian)流、短路(lu)和失(shi)（欠）電(dian)(dian)(dian)壓(ya)等非正(zheng)常情況下動作的(de)自動電(dian)(dian)(dian)器。其主要作用是保護交、直流電(dian)(dian)(dian)路(lu)內的(de)電(dian)(dian)(dian)氣設備(bei)，也(ye)可(ke)以不頻(pin)繁(fan)地操作電(dian)(dian)(dian)路(lu)。在這里用來迅速切斷變(bian)頻(pin)器，防止變(bian)頻(pin)器及(ji)其線路(lu)故(gu)障(zhang)導(dao)致電(dian)(dian)(dian)源故(gu)障(zhang)。  

2.交(jiao)流(liu)(liu)電(dian)抗(kang)器又叫(jiao)AC電(dian)抗(kang)器、電(dian)源(yuan)協調(diao)用(yong)的(de)交(jiao)流(liu)(liu)電(dian)抗(kang)器。其主要功能是防止電(dian)源(yuan)電(dian)網的(de)諧波干擾。 

3.交(jiao)(jiao)流(liu)接觸(chu)器簡(jian)稱(cheng)接觸(chu)器。它(ta)是用(yong)(yong)來(lai)頻(pin)繁(fan)遠距離接通和分(fen)斷(duan)交(jiao)(jiao)直流(liu)電(dian)(dian)路(lu)，或大電(dian)(dian)容控(kong)制(zhi)電(dian)(dian)路(lu)的(de)自動電(dian)(dian)器。這里主(zhu)要用(yong)(yong)于變頻(pin)器出現故障時，自動切斷(duan)主(zhu)電(dian)(dian)源并防止(zhi)掉電(dian)(dian)及故障后再起動。 

大連電氣控制柜的(de)(de)(de)控(kong)(kong)(kong)制(zhi)器(qi)形狀和(he)尺(chi)寸取決于電氣控(kong)(kong)(kong)制(zhi)柜的(de)(de)(de)控(kong)(kong)(kong)制(zhi)器(qi)上手(shou)或腳(jiao)使(shi)用部位尺(chi)寸和(he)電氣控(kong)(kong)(kong)制(zhi)柜的(de)(de)(de)控(kong)(kong)(kong)制(zhi)器(qi)操(cao)作(zuo)時(shi)用力方式(shi)。手(shou)用工具(ju)的(de)(de)(de)設計(ji)要使(shi)手(shou)或腳(jiao)的(de)(de)(de)用力部位與電氣控(kong)(kong)(kong)制(zhi)柜的(de)(de)(de)控(kong)(kong)(kong)制(zhi)器(qi)重量(liang)分(fen)配(pei)相互匹配(pei)，同時(shi)采取一定的(de)(de)(de)防誤操(cao)作(zuo)措施，如電氣控(kong)(kong)(kong)制(zhi)柜的(de)(de)(de)控(kong)(kong)(kong)制(zhi)器(qi)表面防滑、增加腳(jiao)踏板行程等(deng)。