GW5-40.5GW5-72.5GW5-110GW1-10KV系列、GW9-10KV系列、GW5-35/630GW5-35/1000GW5-35/1250GW5-35/1600GW5-35/2000GW5-40.5/630GW5-40.5/1000GW5-40.5/1250GW5-40.5/1600GW5-40.5/1600GW5-40.5/2000GW5-72.5/630GW5-72.5/1000GW5-72.5/1250GW5-72.5/1600GW5-72.5/2000GW5-110/630GW5-110/1000GW5-110/1250GW5-110/1600GW5-110/2000GW5-110/2500GW5-110/3150GW5-126/630GW5-126/1000GW5-126/1250GW5-126/1600GW5-126/2000GW5-126/2500GW5-126/3150GW5-145/630GW5-145/1000GW5-145/1250GW5-145/1600GW5-145/2000GW5-145/2500GW5-145/3150系列户***流高压隔离开关系双柱式三相交流50Hz户外高压开关设备，额定电流：630A、1250A、1600A、2000A、4000A，供在有电压无负载时分、合电路之用，以及对被检修的高压母线、短路器等电器设备与带电的高压线路进行电器隔离之用。隔离开关分为一般型、防污型和特殊型三种：快分型产品与JW1型接地短路器联合使用，可代替终端变压器高压侧的断路器；防污型产品瓷瓶爬电比距为2.5厘米/千伏；特殊型产品分为倒装、侧装和倾斜25°三种安装方式。附装接地开关分单接地，双接地两种。接地开关按承受的短路电流能力又分ⅠⅡⅢ型。二、使用条件：+海拔：不超过3000m；+周围空气温度：上限40℃，下限-25℃；+风速不超过35m/s；+***烈度不超过8度；+污秽等级不超过III级；+覆冰厚度不大于10mm；+安装场所应无***、******、无化学腐蚀及剧烈振动)