凸(tu)(tu)(tu)輪(lun)開(kai)(kai)關(guan)(guan)可(ke)(ke)以用(yong)(yong)(yong)(yong)(yong)(yong)于幾乎所有的(de)(de)應(ying)用(yong)(yong)(yong)(yong)(yong)(yong)，例(li)如如電機(ji)，主(zhu)控(kong)制(zhi)或(huo)儀器(qi)開(kai)(kai)關(guan)(guan)。除了以上(shang)提到(dao)的(de)(de)開(kai)(kai)關(guan)(guan)方(fang)案，凸(tu)(tu)(tu)輪(lun)開(kai)(kai)關(guan)(guan)還可(ke)(ke)以有無限的(de)(de)實(shi)(shi)際用(yong)(yong)(yong)(yong)(yong)(yong)途可(ke)(ke)以實(shi)(shi)現(xian)。凸(tu)(tu)(tu)輪(lun)開(kai)(kai)關(guan)(guan)是利用(yong)(yong)(yong)(yong)(yong)(yong)凸(tu)(tu)(tu)輪(lun)機(ji)構控(kong)制(zhi)回路(lu)開(kai)(kai)路(lu)或(huo)閉路(lu)接(jie)觸的(de)(de)控(kong)制(zhi)用(yong)(yong)(yong)(yong)(yong)(yong)操作開(kai)(kai)關(guan)(guan)，扭(niu)轉操作手柄可(ke)(ke)實(shi)(shi)現(xian)凸(tu)(tu)(tu)輪(lun)轉動觸點(dian)的(de)(de)開(kai)(kai)閉。兩個或(huo)更(geng)多的(de)(de)凸(tu)(tu)(tu)輪(lun)開(kai)(kai)關(guan)(guan)可(ke)(ke)組成負載開(kai)(kai)關(guan)(guan)，主(zhu)要采用(yong)(yong)(yong)(yong)(yong)(yong)電阻(zu)或(huo)微電感電流負載和關(guan)(guan)閉進行切換(huan)，或(huo)切換(huan)發生時無負載。建立主(zhu)終(zhong)端(duan)保護(hu)，負載開(kai)(kai)關(guan)(guan)也(ye)可(ke)(ke)以用(yong)(yong)(yong)(yong)(yong)(yong)來作為(wei)主(zhu)開(kai)(kai)關(guan)(guan)。面板(ban)安裝的(de)(de)凸(tu)(tu)(tu)輪(lun)開(kai)(kai)關(guan)(guan)一般(ban)防護(hu)等(deng)(deng)級(ji)為(wei)IP40；軸封（…+ WD）被使用(yong)(yong)(yong)(yong)(yong)(yong)時，保護(hu)等(deng)(deng)級(ji)被增加(jia)到(dao)IP54；使用(yong)(yong)(yong)(yong)(yong)(yong)防潮蓋（…+ FR）使得保護(hu)等(deng)(deng)級(ji)增加(jia)至(zhi)IP54。標準型(xing)開(kai)(kai)關(guan)(guan)附帶(dai)一個方(fang)形孔罩板(ban)和黑色(se)的(de)(de)旋(xuan)鈕。正向安裝有可(ke)(ke)能為(wei)一些電子(zi)開(kai)(kai)關(guan)(guan)設計。標準開(kai)(kai)關(guan)(guan)的(de)(de)端(duan)子(zi)的(de)(de)位置可(ke)(ke)左右(you)旋(xuan)轉，在開(kai)(kai)關(guan)(guan)M10H端(duan)子(zi)的(de)(de)上(shang)方(fang)和下方(fang)。其中，旋(xuan)鈕插入件(jian)90°轉動時，終(zhong)端(duan)的(de)(de)位置可(ke)(ke)以改(gai)變。