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铁道电缆
铁路信号传输电缆
类型 B1 B2
电缆结构
导体材料 |
退火镀锡铜丝 |
绝缘材料 |
乙丙橡胶绝缘/低烟阻燃混合物 |
护套材料 |
氯丁橡胶护套(PCP) |
线芯颜色 |
黄色/黑色 |
护套颜色 |
黑色 |
额定电压 |
650/1100伏 |
技术参数
B1- 单芯电缆
芯数 |
多股/每股直径(mm) |
导体直径 |
护套厚度(mm) |
电缆直径(mm) |
最小外径 |
最大外径 |
1 |
7/0.37 |
0.75 |
2.0 |
6.5 |
8.1 |
1 |
7/0.53 |
1.5 |
2.0 |
6.8 |
8.5 |
1 |
7/0.63 |
2.5 |
2.0 |
7.2 |
8.9 |
1 |
7/1.35 |
10 |
2.0 |
9.4 |
11.8 |
1 |
19/1.53 |
35 |
2.0 |
12.9 |
16.1 |
B2- 两芯电缆
2 |
7/0.53 |
1.5 |
2.0 |
9.4 |
12.1 |
2 |
7/0.67 |
2.5 |
2.0 |
10.5 |
13.1 |
2 |
7/1.35 |
10 |
2.0 |
15.0 |
18.7 |
2 |
19/1.53 |
35 |
2.0 |
22.3 |
27.8 |
2 |
19/2.14 |
70 |
2.0 |
28.8 |
36.0 |
2 |
19/2.52 |
95 |
2.0 |
33.2 |
41.5 |
B2- 多芯电缆
4 |
7/0.37 |
0.75 |
2.0 |
10.2 |
12.8 |
4 |
7/0.53 |
1.5 |
2.0 |
10.9 |
13.7 |
4 |
7/0.67 |
2.5 |
2.0 |
11.9 |
14.8 |
7 |
7/0.37 |
0.75 |
2.0 |
11.8 |
14.7 |
7 |
7/0.53 |
1.5 |
2.0 |
12.6 |
15.8 |
7 |
7/0.67 |
2.5 |
2.0 |
13.8 |
17.2 |
10 |
7/0.37 |
0.75 |
2.0 |
14.4 |
18.0 |
10 |
7/0.53 |
1.5 |
2.0 |
15.6 |
19.4 |
10 |
7/0.67 |
2.5 |
2.0 |
17.1 |
21.3 |
12 |
7/0.37 |
0.75 |
2.0 |
14.8 |
18.5 |
12 |
7/0.53 |
1.5 |
2.0 |
16.0 |
20.0 |
12 |
7/0.67 |
2.5 |
2.0 |
17.6 |
22.0 |
19 |
7/0.37 |
0.75 |
2.0 |
17.0 |
21.3 |
19 |
7/0.53 |
1.5 |
2.0 |
18.5 |
23.1 |
19 |
7/0.67 |
2.5 |
2.0 |
20.4 |
25.5 |
27 |
7/0.37 |
0.75 |
2.0 |
20.1 |
25.1 |
27 |
7/0.53 |
1.5 |
2.2 |
22.2 |
27.8 |
27 |
7/0.67 |
2.5 |
2.2 |
24.6 |
30.7 |
37 |
7/0.37 |
0.75 |
2.2 |
22.7 |
28.4 |
37 |
7/0.53 |
1.5 |
2.2 |
25.1 |
31.4 |
37 |
7/0.67 |
2.5 |
2.4 |
27.8 |
34.7 |
48 |
7/0.37 |
0.75 |
2.2 |
25.7 |
32.2 |
48 |
7/0.53 |
1.5 |
2.4 |
28.1 |
35.1 |
48 |
7/0.67 |
2.5 |
2.6 |
31.2 |
39.0 |
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