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JB217185450/750V1985-02-251985-08-01IEC228IEC227IEC11160761U0/U450/750V()22.1U0/U450/750VU0/UVU——U0——()1.510%2.2702.3035mm26D50mm28D(Dmm)2.40.8m0.8m311NLYVNLYV-HNLYV-YNLYYNLVVNLVV-Y422Vmm2NLYVNLYV-HNLYV-YNLYYNLVVNLVV-Y450/750149555.1GB395683GB3957835.233mmMkmmmmmNLYVNLYYNLY-VHNLY-VYNLVVNLVV-Ymm2/mmPEPVCPEPVC20/km2070207046101625355070951/2.251/2.767/1.357/1.707/2.147/2.5219/1.7819/2.1419/2.520.80.81.01.01.21.21.41.41.61.21.21.41.41.41.61.61.62.06.06.48.29.210.812.213.515.018.26.97.49.810.912.814.416.218.521.59.110.511.813.214.817.6——10.912.614.115.717.420.57.394.913.081.911.200.8680.6410.4430.3206003008776555550.00850.00700.00650.00500.00500.00400.00450.00350.003566.1NLYVNLYV-HNLYV-YNLYYNLVVNLVV-Y44PEPVC-I111.11.2N/mm2%hN/mm2%%%10.030090±24×248.0—200—12.512580±27×2412.520125202hmg/cm280±27×242.03h150±314%75±31080±2505-15±26%-15±2207——-15±28(200)min109g/10min0.252.06.236.36.490%0.1mmGB1.1C6.5GB3048.983))50Hz55()kV0.51.01.01.51.52.02.02.5610152077.1NLYVNLVVPVC-S1NLYV-HPVC-HNLYV-YNLVV-YPVC-YNLYYPE-S66PVC-S1PVC-HPVC-YPE-S11.11.2N/mm2%hN/mm2%%%12.512580±27×2412.520l252012.512580±27×24l2.5201252012.512580±27×2412.5201252010.035090±24×248.02002hmg/cm280±27×242.080±27×242.080±27×244.0———3h150±31l50±3l——————4h80±250——80±25075±3105-15±2-25±2————6h-15±220-25±220————7-l5±2-25±2————8KT50min——500—9h———247.237.37.485%0.1mmGB1.1C7.588.18.28.30.05mm5mm8.4500mm200mm200mm99.13(f)15%9.239.3750Hz71mhVmin1250O52mhVmin5120±5250059.432070788mh5270±29.550-5098%353m0.5m5031h-5031h90%3531hGB3048.88350Hz2.5kV5min9.61.5m0.5mU7033h5031hGB3048.88350Hz2.5kV5min9.71.5m0.5mU5h55s130216021hGB3048.88350Hz2.5Kv5min9.8101099NLYVNLYVHNLYVYNLYYNLVVNLYVY11.11.21.31.41.5f5.26.27.29.19.1TSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSGB4909285GB2951282GB2951382GB2951482GB295148229.2TSTSTSTSTSTSGB304848333.13.29.3RRTSRTSRTSRTSRTSGB3048883GB304888344.19.4SSSSSSGB3048530486834.22070TStTStTStTStTStTStGB30485304868356.15.1TStTStTStTStTStTStGB2951.52951.7—825.2TStTStTStTStTStTStGB2951.52951.7—825.3————TStTStGB2951.10—825.4TStTStTStTStTStTStGB2951.16—825.5————TSt—GB2951.12—825.6————TSt—GB2951.13—825.7—————TStGB2951.14—825.8—————TStGB2951.31—835.9TStTStTStTStTSt—GB2951.37—835.10TStTStTStTStTSt—HG2-1171—7767.16.1TStTStTStTStTStTStGB2951.62951.7—826.2TStTStTStTStTStTStGB2951.62951.7—826.3TStTStTSt—TStTStGB2951.11—826.4TStTStTSt—TStTStGB2951.32—836.5TStTStTStTStTStTStGB2951.17—826.6TStTSt——TSt—GB2951.12—826.7TStTSt——TSt—GB2951.13—826.8TStTSt——TSt—GB2951.14—826.9——TSt——TSt6.10——TSt———GB1842—8079.5TTTTTT9.589.6TTTTTT9.699.7TTTTTT9.7109.8TStTStTStTStTStTSt9.81St623.111200m10mm250m10%0.5%1212.112.2(T)(SSt)(R)GB2951.18212.312.41313.1GB40058313.2a.b.()mm2c.Vd.me.kgf.g.h.13.3a.b.mm2Vc.mmmmmmkgd.AA.1A.2A.2.1251A.2.2120A.31mmA.440mm50%10(min)A.5KT50(min)400(min)(807)KT50(min)800(min)