材料名称技术指标材料名称技术指标项目名称技术指标导体材料无氧铜丝耐火材料/电缆外观光洁线芯颜色5芯≤分色分屏材料/工作温度90绝缘材料丁腈总屏材料镀锡铜丝工作温度-40护套材料PUR铠装材料/额定电压450/750V包装要求木轴包装加强材料软钢丝技术支持***型号电缆规格选型表ZA-TRVVSP1J-PUR-450/750V拖链电缆2*0.55**2.52*0.755**0.52**9*0.7544*52*45*44*2.52*66*0.5*0.52**0.548*0.753*0.56*48**0.524*6*2.58*2.53**2.552*0.53*2.56*6*0.753*46*552*427**0.75.54*0.57*56.5.54*54*2.57*6*0.54*48*0.5.754*68*0.75.04*7*0.7562*6*0.7537*58*2.5*0.75