避雷器

Surge arrester

避雷器

Surge arrester

500kV系列瓷外套金属氧化物避雷器
型 号工 厂避雷器系统避雷器持续直流1mA操作冲击标称冲击陡波冲击2ms方波标称

额定电压标称电压运行电压参考电压电压残压电压残压电流残压通流容量爬电距离重量备注
kVkVkVkVkVkVkVAmmkg
代 号(有效值)(有效值)(有效值)不小于不大于不大于不大于20次






(峰值)(峰值)(峰值)(峰值)


Y20W1-420/1006W62802420500318565825100611061500153001213海拔2000m以下
Y20W1-444/1063W62884444500324597871106311601500153001213海拔2000m以下
Y20W1-468/1166W62884*468500330630918112012551500153001213海拔2000m以下
Y20W1-420/1006W62802*420500318565825100611062000153001229海拔2000m以下
Y20W1-444/1063W62884*444500324597871106311602000153001229海拔2000m以下
Y20W1-468/1120W62884*468500330630918112012552000153001229海拔2000m以下
Y20W1-420/1006W62887420500318565825100611062500180001722
Y20W1-444/1063W62886444500324597871106311602500180001722
Y20W1-468/1166W62886*468500330630918112012552500180001722
Y20W1-420/1006W62888420500318565825100611061500189001485高海拔或IV级污秽用
Y20W1-444/1063W62889444500324597871106311601500189001485高海拔或IV级污秽用
Y20W1-468/1166W62889*468500330630918112012551500189001485高海拔或IV级污秽用
Y20W1-420/1006W62888*420500318565825100611062000189001485高海拔或IV级污秽用
Y20W1-444/1063W62889*468500330630918112012552000189001485高海拔或IV级污秽用
Y20W1-468/1166W62889*468500330630918112012552000189001485高海拔或IV级污秽用


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