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铁道电缆
TYPE B1&B2铁路信号传输电缆
应用：
该电缆专为铁路信号系统设计，适用于对地额定电压不超过1100 V的直流电路，适合管道敷设。
标准：
NR/PS/SIG/00005（原RT/E/PS/00005）
电缆结构
| 导体材料 | IEC 60228&BS6360标准2类多股镀锡铜导体 |
| 绝缘材料 | BS7655标准GP4型乙丙橡胶绝缘 |
| 护套材料 | BS7655标准RS2型高密度氯丁橡胶护套。 |
在20℃的电气性能
标称导体截面积 |
mm2 | 0.75 | 1.5 | 2.5 | 10.0 | 16.0 | 35.0 | 70.0 | 95.0 |
| 最大导体电阻（DC） | Ω/km | 24.8 | 12.2 | 7.56 | 1.84 | 1.16 | 0.529 | 0.27 | 0.195 |
| 工作电压 | KV | 0.65/1.1 | |||||||
| 标称绝缘厚度 | mm | 0.85 | 0.8 | 0.8 | 1.0 | 1.0 | 1.2 | 1.4 | 1.6 |
机械和热性能
最小弯曲半径：6xOD（静态）；15xOD（动态）
温度范围：-25℃到+85℃(工作中); -10℃到+85℃(安装中)
产品规格
B1- 单芯电缆
| 线缆型号 | 线芯数量x导体截面积No. x mm2 | 每股导体数/导体直径No/mm | 标称护套厚度mm | 标称外径 最小/最大 mm |
标称重量kg/km |
| RS/B1-3G5G-1G0.75 | 1 x 0.75 | 7/0.37 | 2.0 | 6.5/8.1 | 28 |
| RS/B1-3G5G-1G1.5 | 1 x 1.5 | 7/0.53 | 2.0 | 6.8/8.5 | 31 |
| RS/B1-3G5G-1G2.5 | 1 x 2.5 | 7/0.67 | 2.0 | 7.2/8.9 | 34 |
| RS/B1-3G5G-1G10 | 1 x 10.0 | 7/1.35 | 2.0 | 9.4/11.8 | 205 |
| RS/B1-3G5G-1G35 | 1 x 35.0 | 19/1.53 | 2.0 | 12.9/16.1 | 495 |
B2- 两芯电缆
| 线缆型号 | 线芯数量x导体截面积No. x mm2 | 每股导体数/导体直径No/mm | 标称护套厚度mm | 标称外径最小/最大 mm |
标称重量kg/km |
| RS/B2-3G5G-2G1.5 | 2 x 1.5 | 7/0.53 | 2.0 | 9.4/12.1 | 135 |
| RS/B2-3G5G-2G2.5 | 2 x 2.5 | 7/0.67 | 2.0 | 10.5/13.1 | 170 |
| RS/B2-3G5G-2G10 | 2 x 10.0 | 7/1.35 | 2.0 | 15.0/18.7 | 443 |
| RS/B2-3G5G-2G16 | 2 x 16.0 | 7/1.70 | 2.0 | 16.7/20.9 | 625 |
| RS/B2-3G5G-2G35 | 2 x 35.0 | 19/1.53 | 2.2 | 22.3/27.8 | 1232 |
| RS/B2-3G5G-2G70 | 2 x 70.0 | 19/2.14 | 2.4 | 28.8/36.0 | 2053 |
| RS/B2-3G5G-2G95 | 2 x 95.0 | 19/2.52 | 2.6 | 33.2/41.5 | 2968 |
B2- 多芯电缆
| 线缆型号 | 线芯数量x导体截面积No. x mm2 | 每股导体数/导体直径No/mm | 标称护套厚度mm | 标称外径最小/最大 mm |
标称重量kg/km |
| RS/B2-3G5G-4G0.75 | 4 x 0.75 | 7/0.37 | 2.0 | 10.2/12.8 | 140 |
| RS/B2-3G5G-7G0.75 | 7 x 0.75 | 7/0.37 | 2.0 | 11.8/14.7 | 214 |
| RS/B2-3G5G-10G0.75 | 10 x 0.75 | 7/0.37 | 2.0 | 14.4/18.0 | 280 |
| RS/B2-3G5G-12G0.75 | 12 x 0.75 | 7/0.37 | 2.0 | 14.8/18.5 | 321 |
| RS/B2-3G5G-19G0.75 | 19 x 0.75 | 7/0.37 | 2.0 | 17.0/21.3 | 451 |
| RS/B2-3G5G-27G0.75 | 27 x 0.75 | 7/0.37 | 2.0 | 20.1/25.1 | 602 |
| RS/B2-3G5G-37G0.75 | 37 x 0.75 | 7/0.37 | 2.2 | 22.7/28.4 | 799 |
| RS/B2-3G5G-48G0.75 | 48 x 0.75 | 7/0.37 | 2.2 | 25.7/32.2 | 973 |
| RS/B2-3G5G-4G1.5 | 4 x 1.5 | 7/0.53 | 2.0 | 10.9/13.7 | 217 |
| RS/B2-3G5G-7G1.5 | 7 x 1.5 | 7/0.53 | 2.0 | 12.6/15.8 | 296 |
| RS/B2-3G5G-10G1.5 | 10 x 1.5 | 7/0.53 | 2.0 | 15.6/19.4 | 401 |
| RS/B2-3G5G-12G1.5 | 12 x 1.5 | 7/0.53 | 2.0 | 16.0/20.0 | 437 |
| RS/B2-3G5G-19G1.5 | 19 x 1.5 | 7/0.53 | 2.0 | 18.5/23.1 | 615 |
| RS/B2-3G5G-27G1.5 | 27 x 1.5 | 7/0.53 | 2.2 | 22.2/27.8 | 856 |
| RS/B2-3G5G-37G1.5 | 37 x 1.5 | 7/0.53 | 2.2 | 25.1/31.4 | 1126 |
| RS/B2-3G5G-48G1.5 | 48 x 1.5 | 7/0.53 | 2.4 | 28.1/35.1 | 1494 |
| RS/B2-3G5G-4G2.5 | 4 x 2.5 | 7/0.67 | 2.0 | 11.9/14.8 | 260 |
| RS/B2-3G5G-7G2.5 | 7 x 2.5 | 7/0.67 | 2.0 | 13.8/17.2 | 370 |
| RS/B2-3G5G-10G2.5 | 10 x 2.5 | 7/0.67 | 2.0 | 17.1/21.3 | 520 |
| RS/B2-3G5G-12G2.5 | 12 x 2.5 | 7/0.67 | 2.0 | 17.6/22.0 | 599 |
| RS/B2-3G5G-19G2.5 | 19 x 2.5 | 7/0.67 | 2.0 | 20.4/25.5 | 835 |
| RS/B2-3G5G-27G2.5 | 27 x 2.5 | 7/0.67 | 2.2 | 24.6/30.7 | 1232 |
| RS/B2-3G5G-37G2.5 | 37 x 2.5 | 7/0.67 | 2.4 | 27.8/34.7 | 1623 |
| RS/B2-3G5G-48G2.5 | 48 x 2.5 | 7/0.67 | 2.6 | 31.2/39.0 | 2032 |
| RS/B2-3G5G-6P0.75 | 6x2 x 0.75 | 7/0.37 | 2.0 | 19.7/24.6 | 372 |