TYPE A1, A2 & A3 铁路信号电缆
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1100V 的直流电路,适合管道敷设。
标准
- NR/PS/SIG/00005 (原 RT/E/PS/00005)
结构
- 导体:IEC 60228 & BS 6360 标准2 类多股镀锡铜导体。
绝缘:交联低烟无卤。
缆芯绕包:塑料带搭接缠绕。
护套:低烟无卤护套,仅用于A2 & A3 型电缆。
在 20℃的电气性能
标称导体截面积 | mm² |
0.75 |
1.15 |
最大导体电阻DC | Ω/km |
24.8 |
17.3 |
工作电压 | KV |
0.65/1.1 |
|
标称绝缘厚度 | mm |
0.85 |
0.85 |
机械和热性能
- 最小弯曲半径:6×OD( 静态) ;15×OD( 动态)
温度范围:-25℃~ +85℃ ( 工作中) ;-10℃~ +85℃ ( 安装中)
尺寸和重量
线缆型号 |
线芯数量× 导体截面积 No.×mm² |
股数/ 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 |
Type A1(无护套)) |
|||||
RS/A1-H-1G0.75(BL) | 1x0.75(blue) |
7/0.37 |
- |
2.7/3.2 |
16 |
RS/A1-H-1G0.75(BR) | 1x0.75(brown) |
7/0.37 |
- |
2.7/3.2 |
16 |
RS/A1-H-1G0.75(RD) | 1x0.75(red) |
7/0.37 |
- |
2.7/3.2 |
16 |
RS/A1-H-1G0.75(OR) | 1x0.75(orange) |
7/0.37 |
- |
2.7/3.2 |
16 |
RS/A1-H-1G0.75(GR) |
1x0.75(green) |
7/0.37 |
- |
2.7/3.2 |
16 |
RS/A1-H-1G0.75(VI) |
1x0.75(violet) |
7/0.37 |
- |
2.7/3.2 |
16 |
RS/A1-H-1G0.75 |
1x0.75(black) |
7/0.37 |
- |
2.7/3.2 |
16 |
RS/A1-H-1G1.15 |
1x1.15(black) |
16/0.30 |
- |
2.9/3.6 |
21 |
Type A2(有护套) |
|||||
RS/A2-3GH-1G0.75 |
1x0.75 |
7/0.37 |
0.7 |
4.0/5.0 |
30 |
RS/A2-3GH-1G1.15 |
1x1.15 |
16/0.30 |
0.7 |
4.3/5.3 |
35 |
Type A3(有护套) |
|||||
RS/A3-3GH-2G0.75 |
2x0.75 |
7/0.37 |
0.9 |
6.7/8.8 |
67 |
RS/A3-3GH-4G0.75 |
4x0.75 |
7/0.37 |
1.0 |
8.0/10.4 |
108 |
RS/A3-3GH-6G0.75 |
6x0.75 |
7/0.37 |
1.1 |
9.7/12.5 |
160 |
RS/A3-3GH-10G0.75 |
10x0.75 |
7/0.37 |
1.2 |
12.6/16.1 |
259 |
RS/A3-3GH-14G0.75 |
14x0.75 |
7/0.37 |
1.3 |
13.8/17.7 |
495 |
RS/A3-3GH-36G0.75 |
36x0.75 |
7/0.37 |
1.6 |
21.6/26.9 |
752 |
RS/A3-3GH-48G0.75 |
48x0.75 |
7/0.37 |
1.6 |
24.3/30.7 |
963 |