BVR 450/750V 电缆(线)
截面积(㎜2)2.546101625355070直径(㎜)4.14.85.36.88.110.211.713.916空气敷设(A)3444.55879.5111146180228281地下敷设(A)0.80.80.8111.21.21.41.4BV 300/500V 电线0.7511.52.546101625355070951202.42.72.84.24.45.46.4.811131517191320253444.55879.5111146180225280344397.50.60.60.60.70.80.8111.21.21.41.41.61.6