旋鈕設(shè)定,數(shù)字全量程顯示電壓調(diào)節(jié)器Button setting, full range indicating voltage controller 電壓輸入Voltage input:AC 220V 50HZ 電壓調(diào)整范圍0-220VAC 外形尺寸Appearance size:160×80×100mm 開孔尺寸Opening size:156×76mm