芯数×标称截面 (n×mm2) 护套标称厚度 (mm) 电缆平均外径(mm) 上限 下限 3×1.5 1.6 9.2 11.9 3×2.5 1.8 10.1 14.0 3×4 1.9 12.7 16.2 3×6 2.1 14.1 18.0 3×10 3.3 19.1 24.2 3×16 3.5 21.8 27.6 3×25 3.8 26.1 33.0 3×35 4.1 29.3 37.1 3×50 4.5 34.1 42.9 3×70 4.8 38.4 48.3 3×95 5.3 43.3 54.0 3×120 5.6 48.0 59.0 3×150 6.0 53.0 66.5 4×1.5 1.7 10.2 13.1 4×2.5 1.9 12.1 15.5 4×4 2.0 14.0 17.9 4×6 2.3 15.7 20.0 4×10 3.4 20.9 26.5 4×16 3.6 23.8 30.1 4×25 4.1 28.9 36.6 4×35 4.4 32.5 41.1 4×50 4.8 37.7 47.5 4×70 5.2 42.7 50.0 4×95 5.9 48.4 61.0 4×120 6.0 53.0 66.0 4×150 6.5 58.0 73.0 5×1.5 1.8 11.2 14.4 5×2.5 2.0 13.3 17.0 5×4 2.2 15.6 19.9 5×6 2.5 17.5 22.2 5×10 3.6 22.9 29.1 5×16 3.9 26.4 33.3 5×25 4.0 32.0 40.4