产品简介：聚***绝缘聚***护套铜芯软护套线产品型号：RVV/RVVB执行标准：JB8734-98/G***23-2008本产品适用与交流额定电压450/750V及以下动力、日用电器、仪器仪表及电信设备等线路。产品详情：规格结构及技术参数：RVV300/300V标称截面（mm²）线芯结构/线径(mm)平均外径（mm)参考重量（kg/m)20℃时导体电阻≤（Ω/km)下限上限2×0.528/0.154.0或3.0×4.95.9或3.7×5.931.539.02×0.7542/0.154.9或3.2×5.26.3或3.9×6.440.026.03×0.528/0.154.96.340.639.03×0.7542/0.155.26.751.826.0RVV300/500V导体芯数和标称截面（mm²）线芯结构/线径（mm）平均外形（mm）参考重量（kg/km)20℃时导体电阻（Ω.km）下限（mm）上限（mm）2×0.7542/0.155.7或3.7×6.07.2或5.2×7.650.026.02×132/0.26.48.057.819.52×1.548/0.27.49.074.713.32×2.577/0.28.911.0120.07.983×0.7542/0.156.48.063.126.03×132/0.26.88.474.019.53×1.548/0.28.09.8102.013.33×2.577/0.29.612.0162.07.984×0.7542/0.156.88.678.526.04×132/0.27.69.497.519.54×1.548/0.29.011.0133.013.34×2.577/0.210.513.0204.07.985×0.7542/0.157.49.696.926.05×132/0.28.310.0115.019.55×1.548/0.210.012.0158.013.35×2.577/0.211.514.0249.07.98)