如果振動(dong)超過可調的設(she)定值(zhi)，一個帶有(you)(you)SPDT輸(shu)出(chu)觸點(dian)快(kuai)動(dong)開關(guan)(guan)被慣性(xing)靈活的機(ji)械(xie)激活。 5550系列機(ji)械(xie)振動(dong)開關(guan)(guan)觸點(dian)可以用(yong)(yong)來激活警報(bao)或(huo)(huo)使設(she)備關(guan)(guan)機(ji)。外殼是(shi)可全(quan)天候(hou)在危險區域(yu)使用(yong)(yong)的。啟動(dong)時(shi)間延遲(chi)帶有(you)(you)電(dian)(dian)子（遠程）復位(wei)(wei)，而第二(er)個SPDT輸(shu)出(chu)觸點(dian)可滿(man)足DPDT需求（例如分開的跳(tiao)閘(zha)和跳(tiao)閘(zha)光(guang)電(dian)(dian)路(lu)(lu)）是(shi)可用(yong)(yong)的。一旦跳(tiao)閘(zha)，開關(guan)(guan)必(bi)須通過本地復位(wei)(wei)柱塞或(huo)(huo)通過它的遠程復位(wei)(wei)線(xian)圈以將電(dian)(dian)壓(ya)恢復到不跳(tiao)閘(zha)狀態(tai)。單(dan)套鍍(du)銀SPDT繼(ji)電(dian)(dian)器觸點(dian)為標(biao)準配(pei)置，交換(huan)機(ji)連接到機(ji)器控制和顯示電(dian)(dian)路(lu)(lu)。