强弱电电线电缆桥架计算表.xls

1、芯数x标称截面mm2导体种类绝缘标称厚度mm护套标称厚度mm平均外径mm70最小绝缘电阻Mkm穿管最小管内径mm(0.33)下限上限2x0.7510.61.26.48.00.01213.932x0.7520.61.26.68.40.01414.622x1.010.61.26.88.40.01114.622x1.020.61.26.88.80.01315.322x1.510.71.27.69.40.01116.362x1.520.71.27.810.00.0117.412x2.510.81.28.610.50.0118.282x2.520.81.29.011.50.00920.022x410.8

2、1.29.611.50.008520.022x420.81.210.012.50.007721.762x610.81.210.512.50.00721.762x620.81.211.014.00.006524.372x1021.01.514.017.50.006530.463x0.7510.61.26.88.40.01214.623x0.7520.61.27.08.80.01415.323x1.010.61.27.08.80.01115.323x1.020.61.27.29.20.01316.023x1.510.71.28.09.80.01117.063x1.520.71.28.210.50.

3、0118.283x2.510.81.29.211.00.0119.153x2.520.81.29.412.00.00920.893x410.81.210.012.50.008521.763x420.81.210.513.50.007723.503x610.81.511.514.00.00724.373x620.81.512.015.00.006526.113x1021.01.514.518.50.006532.204x0.7510.61.27.29.00.01215.674x0.7520.61.27.49.60.01416.714x1.010.61.27.69.40.01116.364x1.0

4、20.61.27.810.00.01317.414x1.510.71.28.610.50.01118.284x1.520.71.29.011.50.0120.024x2.510.81.210.012.00.0120.894x2.520.81.210.013.00.00922.634x410.81.511.514.00.008524.374x420.81.512.015.00.007726.114x610.81.512.515.00.00726.114x620.81.513.016.50.006528.724x1021.01.516.020.00.006534.825x0.7510.61.27.

5、89.60.01216.715x0.7520.61.28.010.50.01418.285x1.010.61.28.210.00.01117.415x1.020.61.28.411.00.01319.155x1.510.71.29.411.50.01120.025x1.520.71.29.812.50.0121.765x2.510.81.211.514.00.0124.375x2.520.81.211.514.50.00925.245x410.81.512.515.00.008526.115x420.81.513.016.50.007728.725x610.81.514.016.50.0072

6、8.725x620.81.514.518.00.006531.335x1021.01.718.022.50.006539.177x0.7510.61.28.410.50.01218.287x0.7520.61.28.811.00.01419.157x1.010.61.29.011.00.01119.157x1.020.61.29.211.50.01320.027x1.510.71.210.012.50.01121.767x1.520.71.210.513.50.0123.507x2.510.81.212.515.00.0126.117x2.520.81.212.516.00.00927.857x410.81.513.516.50.008528.727x420.81.514.017.50.007730.467x610.81.515.018.00.00731.337x620.81.515.519.50.006533.957x1021.01.720.024.00.006541.788x0.7510.61.29.411.50.01220.028x0.7520.61.29.612.00.0142