详细说明
本产品适用于交流额定电压300/500V及以下，是连接各种频繁移动式电气设备的铜芯橡皮绝缘橡皮护套软电缆，尤其适用于电动葫芦、行车和各种探伤设备。
| 型 号 | 产品名称 | 额定电压 V | 芯 数 | 标称截面 mm2 | 导体长期允许工作温度 ℃ |
| YR | 天然丁苯绝缘及护套多芯移动型软电缆 | 300/500 | 1～20 | 1.0，4 | 65 |
| YRP | 天然丁苯绝缘及护套金属屏蔽多芯移动型软电缆 | 300/500 | 1～20 | 1.0，4 | 65 |
| YRF | 天然丁苯绝缘氯丁护套多芯移动型软电缆 | 300/500 | 1～20 | 1.0，4 | 65 |
| YRFP | 天然丁苯绝缘氯丁护套金属屏蔽多芯移动型软电缆 | 300/500 | 1～20 | 1.0，4 | 65 |
五:主要技术指标
1．成品电缆导体(R类)直流电阻(符合GB3956规定)参照附录A表2。
2．20℃时绝缘电阻不小于50MΩ/KM。
3．成品电缆经受交流50HZ3.5KV/5min电压试验不击穿。
六:基本电缆规格及结构参数
1．丁腈绝缘和护套动力扁电缆
| 线芯*标称截面(mm2) | 导体结构(根数*直径)mm | 电缆最大外径(mm) |
| YVFB |
| 2*1.5 | 48*0.20 | 11.4*7.5 |
| 2*2.5 | 51*0.25 | 14.0×9.0 |
| 2*4 | 82*0.25 | 15.8×9.5 |
| 2*6 | 123*0.25 | 18.2×10.8 |
| 2*10 | 204*0.25 | 21.5×12.5 |
| 2*16 | 323*0.25 | 24.2×13.9 |
| 2*25 | 513*0.25 | 28.5×16.2 |
| 2*35 | 722*0.25 | 31.8×18.1 |
| 2*50 | 1026*0.25 | 36.6×20.5 |
| 2*70 | 1406*0.25 | 41.6×23.3 |
| 2*95 | 486*0.50 | 47.3×26.3 |
| 2*120 | 608*0.50 | 50.8×28.1 |
| 2*150 | 760*0.50 | 56.3×31.2 |
| 3*1.5 | 48*0.20 | 15.8*7.5 |
| 3*2.5 | 51*0.25 | 18.8×9.0 |
| 3*4 | 82*0.25 | 21.6×9.5 |
| 3*6 | 123*0.25 | 25.8×11.3 |
| 3*10 | 204*0.25 | 32.1×13.2 |
| 3*16 | 323*0.25 | 34.2×14.9 |
| 3*25 | 513*0.25 | 42.3×18.2 |
| 3*35 | 722*0.25 | 46.2×19.1 |
| 3*50 | 1026*0.25 | 55.8×22.0 |
| 3*70 | 1406*0.25 | 66.8×26.8 |
| 3*95 | 486*0.50 | 70.2×28.0 |
| 3*120 | 608*0.50 | 85.5×36.0 |
| 3*150 | 760*0.50 | 95.0×35.1 |
| 4*1.5 | 48*0.20 | 20.5*7.5 |
| 4*2.5 | 945*0.50 | 25.8×9.0 |
| 4*4 | 82*0.25 | 29.4×9.5 |
| 4*6 | 123*0.25 | 34.1×11.8 |
| 4*10 | 204*0.25 | 40.4×12.9 |
| 4*16 | 323*0.25 | 45.9×15.6 |
| 4*25 | 513*0.25 | 54.1×18.1 |
| 4*35 | 722*0.25 | 58.6×20.2 |
| 4*50 | 1026*0.25 | 83.0×26.5 |
| 3×4+2.5 | 82*0.25/51*0.25 | 30.6×10.7 |
| 3×6+4 | 123*0.25/82*0.25 | 31.0×12.8 |
| 3×10+6 | 204*0.25/123*0.25 | 35.0×12.9 |
| 3×16+6 | 323*0.25/123*0.25 | 41.3×15.6 |
| 3×25+10 | 513*0.25/204*0.25 | 49.1×18.1 |
| 3×35+10 | 722*0.25/204*0.25 | 64.2×20.2 |
| 3×50+16 | 1026*0.25/323*0.25 | 80.2×23.4 |
| 3×70+25 | 1406*0.25/513*0.25 | 85.3×27.2 |
| 3×95+35 | 486*0.50/722*0.25 | 97.6×29.7 |
| 3×120+35 | 608*0.50/722*0.25 | 107.1×31.9 |
| 5*1.5 | 48*0.20 | 25.5*7.5 |
| 5*2.5 | 51*0.25 | 32.0*9.0 |
| 5*4 | 82*0.5 | 37.5*10 |
| 6*1.5 | 48*0.20 | 31*7.5 |
| 6*2.5 | 51*0.25 | 40.9*9.0 |
| 6*4 | 82*0.5 | 42.0*10 |
| 7*1.5 | 48*0.20 | 32.0*7.0 |
| 7*2.5 | 51*0.25 | 41.0*9.0 |
| 7*4 | 82*0.25 | 44.0*10.0 |
| 8*1.5 | 48*0.20 | 38.5*7.8 |
| 8*2.5 | 51*0.25 | 48.0*8.0 |
| 8*4 | 82*0.25 | 51.0*10.6 |
| 10*1.5 | 48*0.20 | 44.5*7.8 |
| 10*2.5 | 51*0.25 | 59.0*9.0 |
| 10*4 | 82*0.25 | 65.2*11.0 |
| 12*1.5 | 48*0.20 | 59.5*8.5 |
| 12*2.5 | 51*0.25 | 70.0*8.5 |
| 12*4 | 82*0.25 | 80.2*11.0 |