BA8070-IIC防爆(bao)(bao)控制按(an)鈕轉換(huan)開關/防爆(bao)(bao)按(an)鈕鑰(yao)匙開關,本(ben)(ben)裝(zhuang)置分兩部(bu)分;指(zhi)示(shi)燈本(ben)(ben)體(ti)(ti)和透光燈罩(zhao)部(bu)件;外殼采用(yong)(yong)優(you)質進口工(gong)程塑料注(zhu)塑成型(xing),本(ben)(ben)裝(zhuang)置應與增安型(xing)殼體(ti)(ti)配套(tao)使用(yong)(yong),不(bu)應單獨使用(yong)(yong)于(yu)爆(bao)(bao)炸性氣體(ti)(ti)環境。