ZW20'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>高压分界真空断路器,ZW20-12F'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>柱上看门狗分界开关,ZW20'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>户外断路器，ZW20'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>真空断路器

'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>乐清市川龙电气有限公司专业生产ZW20-12F/630-20'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>户外柱上高压分界真空断路器

ZW20-12/630-20,ZW20-12F,ZWnth=***12*** year=***1000***>20-12-1000,ZW20-12-1250

'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>技术特点: 

   ZW20-12'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>型户外交流高压分界真空断路器是一款用户分界开关.
'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>主要由ZW20-12'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>型真空断路器本体,'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>故障检测控制器及外置电压互感器三大部分组成
'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>三者通过航空插座及户外密封控制电缆进行电气连接，具有故障检测功能,'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>保护控制功能及通讯功能
'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>能可靠判断,'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>检测界内与界外毫安级零序电流及相间短路故障电流,'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>实现自动切除单相接地故障和相间短路故障
'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>本体开关是真空方式灭弧并且采用SF6'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>气体绝缘,'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>箱体参考了日本东芝公司的气体密封,'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>防爆,'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>绝缘结构技术
'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>整体密封性能优良,'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>内部充入的SF6'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>气体不泄漏,'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>不受外界环境影响,
'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>其弹簧操动机构进行了小型化及性能优化设计,'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>动作可靠性比国内传统的弹簧机构有显著提高

'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>主回路的轴与套之间的接触采用了内收外张式表链结构，主回路的接触电阻小，温升低。
'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>产品性能可靠是一种真正的免维护产品。

'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>二、使用环境条件
1'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>、 'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>周围空气温度：-40℃'Times New Roman';***>~+40℃'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>；日温差：日温变化不大于25℃'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>； 'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>根据SF6'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>气体物质性质，当环境温度在-40℃'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>时，如箱体内部气压为0.05Mpa'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>，此时SF6'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>仍为气态，保证产品正常工作。('ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>当环境温度-40℃'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>，表压为0.05Mpa'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>时，SF6'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>液化点为-55℃'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>；零表压，SF6'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>液化点不会超过-60℃'Times New Roman';***>)'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>。
2'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>、 'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>风速不大于35m/s'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>；
3'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>、 'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>无易燃、baozha'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>危险、强烈化学腐蚀物('ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>如各种酸、碱或浓烟等)'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>和剧烈振动的场所。
4'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>、 'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>海拔：≤1000m'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>；
5'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>、 'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>覆盖厚度：10mm'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>；
6'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>、 'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>空气污秽程度：IV'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>级；
7'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>、 'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>地震烈度：≤7'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>度；
8'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>、 'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>电网中性点接地方式：中性点不接地、中性点经消弧线圈接地、中性点经低电阻接地。

'ˎ̥,Verdana,Arial';mso-hansi-font-family:'ˎ̥,Verdana,Arial';***>更多详细资料请参考：'Times New Roman';***>