YVFBR-1KV3*50+2*25 绝缘体：丁腈橡胶
护套： 结构尺寸附表| 芯数×截面 | 线芯结构 | 电线外径 | 20℃时导体电阻 Ω/KM不大于 | ||
| 标称 | 公差 | ||||
| mm2 | 根/直径 mm | mm | mm | 铜芯 | 镀锡铜丝 |
| 3×4 | 56/0.30 | 16.5×7.9 | ±0.50 | 4.95 | 5.09 |
| 3×6 | 84/0.30 | 18.7×8.9 | ±0.50 | 3.30 | 3.39 |
| 3×10 | 84/0.40 | 24.8×11.6 | ±0.60 | 1.91 | 1.95 |
| 3×16 | 126/0.40 | 30.2×13.8 | ±0.80 | 1.21 | 1.24 |
| 3×25 | 196/0.40 | 36.3×16.1 | ±0.80 | 0.78 | 0.795 |
| 3×35 | 276/0.40 | 40.6×17.8 | ±1.0 | 0.554 | 0.565 |
| 3×50 | 396/0.40 | 48.7×20.9 | ±1.0 | 0.386 | 0.393 |
| 3×70 | 360/0.50 | 54.4×23.2 | ±1.0 | 0.272 | 0.277 |
| 3×95 | 475/0.50 | 62.3×26.1 | ±1.2 | 0.206 | 0.210 |
| 3×120 | 608/0.50 | 69×29 | ±1.5 | 0.161 | 0.164 |
| 3×150 | 756/0.50 | 76.8×32 | ±1.5 | 0.129 | 0.132 |
| 3×185 | 925/0.50 | 84.8×35.2 | ±2.0 | 0.106 | 0.108 |