产品名称:吊机电缆产品说明:一：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（或丁腈）绝缘及护套多芯移动型软电缆300/5001～201.0，465YRP天然丁苯（或丁腈）绝缘及护套金属屏蔽多芯移动型软电缆300/5001～201.0，465YRF天然丁苯绝缘氯丁护套多芯移动型软电缆300/5001～201.0，465YRFP天然丁苯绝缘氯丁护套金属屏蔽多芯移动型软电缆300/5001～201.0，465二：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。三：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)YVFB2*1.548*0.2011.4*7.52*2.551*0.2514.0×9.02*482*0.2515.8×9.52*6123*0.2518.2×10.82*10204*0.2521.5×12.52*16323*0.2524.2×13.92*25513*0.2528.5×16.22*35722*0.2531.8×18.12*501026*0.2536.6×20.52*701406*0.2541.6×23.32*95486*0.5047.3×26.32*120608*0.5050.8×28.12*150760*0.5056.3×31.23*1.548*0.2015.8*7.53*2.551*0.2518.8×9.03*482*0.2521.6×9.53*6123*0.2525.8×11.33*10204*0.2532.1×13.23*16323*0.2534.2×14.93*25513*0.2542.3×18.23*35722*0.2546.2×19.13*501026*0.2555.8×22.03*701406*0.2566.8×26.83*95486*0.5070.2×28.03*120608*0.5085.5×36.03*150760*0.5095.0×35.14*1.548*0.2020.5*7.54*2.5945*0.5025.8×9.04*482*0.2529.4×9.54*6123*0.2534.1×11.84*10204*0.2540.4×12.94*16323*0.2545.9×15.64*25513*0.2554.1×18.14*35722*0.2558.6×20.24*501026*0.2583.0×26.53×4+2.582*0.25/51*0.2530.6×10.73×6+4123*0.25/82*0.2531.0×12.83×10+6204*0.25/123*0.2535.0×12.93×16+6323*0.25/123*0.2541.3×15.6