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真空斷路器為額定電壓12kV，三相交流50Hz的高壓戶內開關設備。產品符合GB1984-89標準，該產品總體結構為開關本體與操作機構一體安裝或開關本體與操作機構分離安裝兩種形式。一體式結構即為ZN28-12基本型；分體式結構為ZN28A-12型，適應于各種固定式開關柜，如GG-1A（Z）XGN2A10（Z）等。該產品可配用CD17、CD10A型直流電磁操動機構和CT17、CT19型彈簧儲能式操動機構.