雙電(dian)(dian)源(yuan)(yuan)自動轉(zhuan)(zhuan)換(huan)(huan)開關(guan)(以下簡稱轉(zhuan)(zhuan)換(huan)(huan)開關(guan))適用于交(jiao)流(liu)50Hz,額(e)定(ding)工(gong)作(zuo)電(dian)(dian)壓380V,額(e)定(ding)工(gong)作(zuo)電(dian)(dian)流(liu)63A-630A雙電(dian)(dian)源(yuan)(yuan)供電(dian)(dian)系統,用自動或者手(shou)動操(cao)作(zuo)方式完成常(chang)用電(dian)(dian)源(yuan)(yuan)與備用電(dian)(dian)源(yuan)(yuan)之間的轉(zhuan)(zhuan)換(huan)(huan)。該(gai)轉(zhuan)(zhuan)換(huan)(huan)開關(guan)主要(yao)用于醫院、商店、銀(yin)行、化(hua)工(gong)、冶金、高層建筑、軍事設施等重要(yao)場合。