450/750V Track Feeder Cables to RT/E/S/21101
Application
The cables can provide the 450/750 volt DC supply from Traction Substations and Track Paralleling Huts to conductor rails, negative cable connections and where appropriate bonding.
Standard
- NR/PS/ELP/21101 (formerly RT/E/S/21101)
- BS 638 Part 4
- UNE 21027
Cable Construction
| Conductors |
Class 5 stranded aluminium or tinned copper to BS EN 60228: 2005 (previously BS 6360). |
| Core Wrapping |
PETP (Polyethylene Terephthalate). |
| Sheath |
CSP(Chlorosulfonated Polyethylene) type RS4 to BS 6899. |
| |
H.O.F.R. heat resistant, oil resistant and flame retardant. |
Electrical Characteristics at 20℃
| Nominal Conductor Cross Section |
mm^2 |
161 |
500 |
630 |
150 |
240 |
500 |
800 |
1000 |
| Conductor Material |
|
Copper |
Aluminium |
| Maximum DC Conductor Resistance |
Ω/km |
0.109 |
0.0369 |
0.0286 |
0.206 |
0.125 |
0.0605 |
0.0307 |
0.0291 |
| Assigned Continuous Current Rating |
A |
550 |
1200 |
1500 |
430 |
550 |
800 |
1200 |
1500 |
| Voltage Rating |
KV |
0.45/0.75 |
Mechanical and Thermal Properties
- Miniumum Bending Radius: 10×OD (Aluminium Conductor); 8×OD (Copper Conductor)
- Operating Temperatures: -25℃ to +85℃ (during operation); -10℃ to +70℃ (during installation)
Dimensions and Weight
| Cable Code |
No. of cores& Nominal Conductor Cross Sectional Area |
No. & Nominal Diameter of Strands |
Nominal Sheath Thickness |
Nominal Overall Diameter |
Nominal Weight |
Polarity / Gland Size |
| |
No.×mm^2 |
No/mm |
mm |
mm |
kg/km |
|
| Copper Conductor |
| RF21101-H01N2-D-450/750V-1G161CU |
1×161 |
820/0.5 |
4.0 |
25.9 |
2050 |
negative/32 |
| RF21101-H01N2-D-450/750V-1G500CU |
1×500 |
1769/0.6 |
4.0 |
42.3 |
5582 |
negative/50 |
| RF21101-H01N2-D-450/750V-1G630CU |
1×630 |
2257/0.6 |
4.0 |
45.9 |
6879 |
positive/63S |
| Aluminium Conductor |
| RF21101-H01N2-D-450/750V-1G150AL |
1×150 |
756/0.5 |
4.0 |
20.5 |
581 |
negative/25 |
| RF21101-H01N2-D-450/750V-1G240AL |
1×240 |
1221/0.5 |
4.0 |
29.6 |
1171 |
negative/40 |
| RF21101-H01N2-D-450/750V-1G500AL |
1×500 |
1769/0.6 |
4.0 |
42.0 |
2361 |
positive/50 |
| RF21101-H01N2-D-450/750V-1G800AL |
1×800 |
2825/0.6 |
4.0 |
50.2 |
3498 |
negative/63S |
| RF21101-H01N2-D-450/750V-1G1000AL |
1×1000 |
3531/0.6 |
4.0 |
55.0 |
4226 |
positive/63 |
