特别是在高层建筑、煤矿、地铁、电厂、核电站、化工特殊部门和场合要求使用低烟无卤阻燃电缆
导体的长期使用允许工作温度为70℃,敷设应不小于0℃,其允许弯曲半径;无铠装层的电缆应不小于电缆外径的6倍,有铠装层或铜带屏蔽结构的电缆应不小于电缆外径的12倍,有屏蔽结构的软电缆应不小于电缆外径的6倍
WDZ-SYY低烟无卤电缆及其他同轴电缆电气性能:型号内导体材料外径mm绝缘材料外径mm外导体材料覆盖密度护套材料外径mm特性阻抗Ω绝缘电阻不小于MΩ.km衰减常数MHzdb/100mSYV75-2-1 裸铜线1/0.34 2.02 单层铜线屏蔽 3.30 755000 2.14.36.811.018.530.0SYV75-2-1*25000SYV75-2-1*85000SYV75-2-1*2户外5000SYV75-2-1*8户外5000SYV75-2-2裸铜线1/0.342.02双层屏蔽95%4.005000SYV75-2-2*2裸铜线1/0.342.02双层屏蔽95%4.005000SYV75-2-2*8裸铜线1/0.342.02双层屏蔽95%4.005000SYV75-2-2*2户外裸铜线1/0.342.02双层屏蔽95%4.005000SYV75-2-2*8户外裸铜线1/0.342.02双层屏蔽95%4.005000SYV75-2-3裸铜线1/0.342.02三层屏蔽95%4.155000SYV75-3-1裸铜线1/0.503.00单层屏蔽5.00500014302.04.013.0SYV75-3-2裸铜线1/0.503.00双层屏蔽95%5.505000SYV75-3-3裸铜线1/0.503.00三层屏蔽95%7.005000SYV75-4-1(R)裸铜线7/0.213.70单层屏蔽6.0050001301.512.0SYV75-4-2裸铜线1/0.603.70双层屏蔽95%6.805000WDZ-SYY75-5-1裸铜线1/0.754.80单层屏蔽7.1050001302001.02.015.0WDZ-SYY75-5-1(R)裸铜线7/0.264.80单层屏蔽7.105000WDZ-SYY75-5-2裸铜线1/0.754.80双层屏蔽95%8.155000WDZ-SYY50-2-1(R)裸铜线7/0.161.50单层屏蔽2.80 505000 200 45.0WDZ-SYY50-2-2(R)镀锡线7/0.151.55双层镀锡线95%4.505000WDZ-SYY50-2-2裸铜线1/0.682.20双层屏蔽95%4.005000WDZ-SYY50-3-1裸铜线7/0.322.95单层屏蔽5.00500020022.0WDZ-SYY50-5-1裸铜线1/1.404.80单层屏蔽7.20500020015.01.5C-2V镀锡线1/0.251.45单层铜线95%2.50 75 5000 1410 2.845.709.61.5C-2V*2镀锡线1/0.251.45单层铜线95%2.5050001.5C-2V*8镀锡线1/0.251.45单层铜线95%2.5050001.5C-QEV裸铜线1/0.261.60镀锡铜线95%2.907550001.5C-QEV*82.5C-2V裸铜线1/0.402.4单层铜线95%4.0075500043.33.5C-2V裸铜线1/0.503.1单层铜线95%5.30755000141.252.603.5C-2V-2双层铜线95%5.905C-2V裸铜线1/0.805.1单层铜线95%7.80755000140.851.705C-2V-2裸铜线1/0.805.1双层铜线95%8.50755000SFYV-75-2-1(3.2)镀银线1/0.31F46PE1.9单层铜线95%3.2075500023.5SFYV-75-2-1(3.6)镀银线1/0.34F46PE2.1单层铜线95%3.675500023.0SFYV75-1-1镀银线1/0.25F46PE1.45单层铜线95%2.5075500024同轴电缆的使用条件使用温度:-50°C~ 85°C,敷设温度:-15°C,运输、储存温度-25°C~ 65°C,使用湿度以下(35°C),大气压:70-106kpa