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车载电缆 |  |
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车载电缆国标系列
薄壁多芯电缆 DT-RFE 750V
应用：
在铁路运输机车的内部或外部安装时用作电力和控制电缆，在这种环境下搬运和安装成本是需要考虑的很重要因素。
用于控制，辅助和主电路接线如有线电视吊带，开关和控制面板，驾驶台等。
电缆结构：
导体：镀锡铜丝
绝缘 ：低烟无卤电子束交联复合物
护套：TPU塑料护套
电气及机械性能：
标称电压 750V
短路温度 250°C
工作温度 -60°C/+125°C
最小弯曲半径 3 x OD (OD≤20mm)
5 x OD(OD≥20mm)
基本防火性能
阻燃 GB 12666-90 DZ-1
低腐蚀性（酸性&传导性） GB/T17650.1-1998; GB/T17650.2-1998
无卤 GB/T17650.1-1998; GB/T17650.2-1998
低烟 GB/T17651.1-1998; GB/T17651.2-1998
DT-RFE 750V
芯数和导体截面积 |
股数/线芯直径 |
最大外径 |
重量 |
20°C导体最大电阻 |
mm2 |
No/mm |
mm |
kg/km |
Ω/km |
2×0.5 |
19/0.18 |
3.84 |
34.0 |
40.1 |
3×0.5 |
19/0.18 |
3.97 |
42.5 |
40.1 |
4×0.5 |
19/0.18 |
4.60 |
53.5 |
40.1 |
5×0.5 |
19/0.18 |
4.82 |
68.1 |
40.1 |
6×0.5 |
19/0.18 |
5.06 |
70.5 |
40.1 |
7×0.5 |
19/0.18 |
5.40 |
79.0 |
40.1 |
8×0.5 |
19/0.18 |
5.96 |
90.5 |
40.1 |
2×0.75 |
19/0.23 |
4.14 |
39.0 |
26.7 |
3×0.75 |
19/0.23 |
4.71 |
53.5 |
26.7 |
4×0.75 |
19/0.23 |
5.16 |
66.0 |
26.7 |
5×0.75 |
19/0.23 |
5.56 |
77.8 |
26.7 |
芯数和导体截面积 |
股数/线芯直径 |
最大外径 |
重量 |
20°C导体最大电阻 |
mm2 |
No/mm |
mm |
kg/km |
Ω/km |
6×0.75 |
19/0.23 |
5.76 |
92.8 |
26.7 |
7×0.75 |
19/0.23 |
6.15 |
104.0 |
26.7 |
8×0.75 |
19/0.23 |
6.76 |
117.0 |
26.7 |
2×1.0 |
19/0.26 |
4.38 |
45.0 |
20.0 |
3×1.0 |
19/0.26 |
5.00 |
63.0 |
20.0 |
4×1.0 |
19/0.26 |
5.51 |
77.5 |
20.0 |
5×1.0 |
19/0.26 |
5.96 |
93.0 |
20.0 |
6×1.0 |
19/0.26 |
6.26 |
111.5 |
20.0 |
7×1.0 |
19/0.26 |
6.60 |
126.0 |
20.0 |
8×1.0 |
19/0.26 |
7.36 |
143.0 |
20.0 |
2×1.5 |
19/0.32 |
5.04 |
52.5 |
13.7 |
3×1.5 |
19/0.32 |
5.88 |
82.5 |
13.7 |
4×1.5 |
19/0.32 |
6.14 |
105.5 |
13.7 |
5×1.5 |
19/0.32 |
6.96 |
120.0 |
13.7 |
6×1.5 |
19/0.32 |
7.56 |
144.75 |
13.7 |
7×1.5 |
19/0.32 |
7.80 |
164.5 |
13.7 |
8×1.5 |
19/0.32 |
8.46 |
185.0 |
13.7 |
2×2.0 |
19/0.37 |
6.10 |
63.7 |
10.0 |
3×2.0 |
19/0.37 |
6.41 |
94.7 |
10.0 |
4×2.0 |
19/0.37 |
7.14 |
122.5 |
10.0 |
5×2.0 |
19/0.37 |
8.14 |
152.2 |
10.0 |
6×2.0 |
19/0.37 |
8.65 |
181.9 |
10.0 |
7×2.0 |
19/0.37 |
8.86 |
210.7 |
10.0 |
8×2.0 |
19/0.37 |
9.56 |
240.4 |
10.0 |
2×2.5 |
19/0.41 |
6.60 |
77.5 |
8.21 |
3×2.5 |
19/0.41 |
7.16 |
118.0 |
8.21 |
4×2.5 |
19/0.41 |
8.06 |
142.5 |
8.21 |
5×2.5 |
19/0.41 |
9.06 |
169.0 |
8.21 |
6×2.5 |
19/0.41 |
9.77 |
213.2 |
8.21 |
7×2.5 |
19/0.41 |
10.26 |
240.0 |
8.21 |
8×2.5 |
19/0.41 |
11.26 |
280.0 |
8.21 |
2×4.0 |
19/0.52 |
7.70 |
111.0 |
5.00 |
3×4.0 |
19/0.52 |
8.21 |
160.65 |
5.00 |