规格型号 额定电压kV 客定机械拉伸负荷 KN 结构高度H(mm) 最小电弧距离h(mm) 最小公称爬电距离h(mm) 雷电全波冲击耐受电压kV 工频湿耐受电压1minkv FNB4-1/70-XX 1~3 70 260±10 80 225 45 18 FNB4-6/70-XX 6 70 300±10 120 325 60 25 FNB4-10/40-XX 10 40 320±10 160 425 95 45 FNB4-10/70-XX 10 70 340±10 160 425 95 45 FNB4-10/100-XX 10 100 370±10 160 425 95 45 FNB4-15/70-XX 15 70 380±10 200 525 115 60 FNB4-20/70-XX 20 70 420±10 240 625 150 65 FNB4-20/100-XX 20 100 450±10 240 625 150 65 FNB4-24/70-XX 24 70 460±10 280 725 170 75 FNB4-24/100-XX 24 100 490±10 280 725 170 75 FNB4-28/70-XX 28 70 500±10 320 825 190 85 FNB4-33/70-XX 33 70 540±10 360 925 205 90 FNB4-35/70-XX 35 70 610±10 420 1050 230 95 FNB4-35/100-XX 35 100 640±10 420 1050 230 95