综合参数 导体 标称截面 (mm2) | 导体芯线(mm) | 平均外径上限 (mm) | 20℃时导体 直流电阻 (Ω·km) | 70℃时导体 最小绝缘电阻 (MΩ·km) | 根数/直径 | 2×0.75 | 24/0.20,42/0.15 | 7.0 | 26 | 0.011 | 4.3×6.8(扁形) | 26 | 0.011 | 2×1 | 32/0.20,56/0.15 | 7.2 | 19.5 | 0.010 | 2×1.5 | 48/0.20,30/0.25 | 8.2 | 13.3 | 0.010 | 2×2.5 | 49/0.25,49/0.26,77/0.20 | 10.3 | 7.98 | 0.009 | 10.5 | 3×0.75 | 24/0.20,42/0.15 | 7.3 | 26 | 0.011 | 3×1 | 32/0.20,56/0.15 | 7.7 | 19.5 | 0.010 | 3×1.5 | 48/0.20,30/0.25 | 8.9 | 13.3 | 0.010 | 3×2.5 | 49/0.25,49/0.26,77/0.20 | 11 | 7.98 | 0.009 | 11.2 | 4×0.75 | 24/0.20,42/0.15 | 8.1 | 26 | 0.011 | 4×1 | 32/0.20,56/0.15 | 8.5 | 19.5 | 0.010 | 4×1.5 | 48/0.20,30/0.25 | 9.9 | 13.3 | 0.010 | 4×2.5 | 49/0.25,49/0.26,77/0.20 | 12.20 | 7.98 | 0.009 | 12.40 | 5×0.75 | 24/0.20,42/0.15 | 8.9 | 26 | 0.011 | 5×1.0 | 32/0.20,56/0.15 | 9.2 | 19.5 | 0.010 | 5×1.5 | 48/0.20,30/0.25 | 11.0 | 13.3 | 0.010 | 5×2.5 | 49/0.25,49/0.26,77/0.20 | 13.7 | 7.98 | 0.009 | |