產品功能:
對管道(dao)絕(jue)(jue)緣(yuan)(yuan)接頭、絕(jue)(jue)緣(yuan)(yuan)法蘭進行雷(lei)(lei)電(dian)(dian)(dian)(dian)過(guo)電(dian)(dian)(dian)(dian)壓保護(hu)(hu),防(fang)護(hu)(hu)雷(lei)(lei)電(dian)(dian)(dian)(dian)對絕(jue)(jue)緣(yuan)(yuan)接頭造成的(de)(de)(de)擊穿導致陰極保護(hu)(hu)失效及發生絕(jue)(jue)緣(yuan)(yuan)接頭破損產生的(de)(de)(de)漏油、漏氣事故發生。絕(jue)(jue)緣(yuan)(yuan)保護(hu)(hu)器為限壓型防(fang)雷(lei)(lei)元件,具有導通(tong)電(dian)(dian)(dian)(dian)壓低、殘壓值低的(de)(de)(de)特(te)點,感應(ying)雷(lei)(lei)防(fang)護(hu)(hu)能力為20kA,最大(da)放電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流45kA,可以為絕(jue)(jue)緣(yuan)(yuan)接頭和絕(jue)(jue)緣(yuan)(yuan)法蘭提供C級(ji)雷(lei)(lei)電(dian)(dian)(dian)(dian)防(fang)護(hu)(hu),適用于非(fei)多(duo)雷(lei)(lei)區的(de)(de)(de)雷(lei)(lei)電(dian)(dian)(dian)(dian)過(guo)電(dian)(dian)(dian)(dian)壓防(fang)護(hu)(hu),從(cong)而(er)保障管道(dao)系統的(de)(de)(de)正常運行。
技術參數:
U1mA直流導(dao)通電壓 |
620V |
Uc最大持續(xu)工作電壓 |
200V |
保護(hu)水平 |
1800V |
In標稱(cheng)放電(dian)電(dian)流(8/20μs) |
20kA |
Imax最大放電電流(10/350μs) |
45kA |
Iimp直(zhi)擊雷沖擊電流(10/350μs) |
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防爆等級 |
IP68 |
執行標準
GB18802.1 低壓電涌保護器(SPD)第11部分:低壓電力系統的電涌保護器性能要求和試驗方法 EN 61643-11:2012 低(di)壓(ya)電涌保護器(qi)(SPD)第11部分:低(di)壓(ya)電力系統的電涌保護器(qi)性能要求(qiu)和試驗方(fang)法 |