ZW32-12G/630A户外交流高压真空断路器 一、概述 　　ZW32-12系列户外交流高压真空断路器(以下简称断路器)为额定电压12KV、三相交流50Hz的户外配电设备。主要用于开断、关合电力系统中的负荷电流、过载电流及短路电流。适用于变电站及工矿企业配电系统中作保护、控制之用，也可作为12kV城网或农网的分段开关。 　　断路器可根据用户需要配装隔离开关或防涌流延时保护器等。 　　断路器可选用手动弹簧机构、电动弹簧机构，电动弹簧机构可加装无线遥控。 　　断路器可根据用户要求，与相应的控制器配合组成自动重合器、分段器等，实现配网自动化。 二、使用环境条件 　　1、周围空气温度：上限+40度，下限—40度； 　　2、海拔：≤2000m(若海拔增高，则额定绝缘水平相应提高)； 　　3、风压：不超过700Pa(相当于风速34m／s)； 　　4、地震烈度：不超过8度； 　　5、污秽等级：Ⅳ级； 　　6、***大日温差：不超过25度； 　　7、相对湿度：                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   日平均不大于95％，月平均不大于90％ 　　8、无易燃、爆炸危险、化学腐蚀及剧烈振动的场所。