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ZW7型戶外高壓真空斷路器
      ZW7-40.5型戶外高壓真空斷路器(以下簡稱斷路器)
用于交流50Hz、電壓40.5kV的三相電力系統,作為分斷、
關合負荷電流、過載電流及短路電流之用。
主要特點
 a、采用真空滅弧,開斷能力強,電壽命長,機械壽命10000次;
 b、結構簡單,免維護,不檢修周期長;
 c、絕緣性能好,抗污穢能力能力強;
 d、可配彈簧或電磁操動機構,機械性能可靠,可頻繁操作;
     無火災和爆炸隱患;
 e、外裝電流互感器計量精度達0.2級,可實現三相差動保護;
 f、內附凝露控制器,能保護斷路器在一定的溫度溫度下可靠運行。
使用環境條件
 a、周圍空氣溫度:上限+40℃,下限-40℃;
 b、海拔:≤1000m;
 c、風壓:不超過700pa(相當于風速34m/s);
 d、振幅:地震烈度不超過8度;
 e、污穢等級:Ⅲ級;
 f、日溫差:不超過25K。
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