ZN28-12T/630-20
ZN28-12T/630-25
ZN28-12T/1250-25
ZN28-12T/1250-31.5
ZN28-12T/1600-31.5
ZN28-12T/2000-31.5
ZN28-12T/2500-40
ZN28-12T/3150-40
ZN28-12D/630-20
ZN28-12D/630-25
ZN28-12D/1250-25
ZN28-12D/1250-31.5
ZN28-12D/1600-31.5
ZN28-12D/2000-31.5
ZN28-12D/2500-40
ZN28-12D/3150-40
            ZN28-12T,ZN28-12D真空断路器为额定电压12kV，三相交流50Hz的高压户内开关设备。产品符合GB1984-89标准，该产品总体结构为开关本体与操作机构一体安装或开关本体与操作机构分离安装两种形式。一体式结构即为ZN28-12基本型；分体式结构为ZN28A-12型，适应于各种固定式开关柜，如GG-1A（Z）XGN2A10（Z）等。该产品可配用CD17、CD10A型直流电磁操动机构和CT17、CT19型弹簧储能式操动机构.