一、用途:GN-型系列户内交流高压隔离开关，适用于额定电压3、6、12、15、20、24、30KV三相交50Hz的电网中作为有电压无负载情况下分合线路之用。

        (注:紫铜全部采用镀银工艺)

Purpose and Usage
        GN-series indoor AC high voltage isolating switch Can apply in
        electric network of three-phase AC,50Hz,rated voltage of l2kV and
        below to close or open circuit in no load position with voltage．

二、工作条件:海拔不超过100米；周围空气温度不高于+40℃及不低于-12℃；空气相对湿
            度不高于90％的户内场所(当温度为+25℃)无导电性尘埃的环境中；无破坏
            金属和绝缘的腐蚀性气体的物体；无剧烈震动和冲击的地方；无燃烧与爆炸
            危险的环境中；

Working conditions
            Altitude not more than 1000m;Ambient temperature scope;from
            l2℃ to 40℃ Relative humidity indoor lessthan 90％under25℃
            There shall have no conductive dust;no corrosive gases;no
            severe vibration and impact； no combustion and explosion on
            the site for switch opersting.

三、技术参数：Technical parameter

GN-6/400A

6kV

400A

42kV

75kV

GN-12/600A

12kV

600A

42kV

75kV

GN-24/2000A

24kV

2000A

65kV

125kV