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.
Standards
● NR/PS/ELP/21101 (formerly RT/E/S/21101)
● BS 638 Part 4
● UNE 21027
Construction
Conductors
Class 5 st randed 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 fl ame retardant.
Electrical Characteristics at 20℃
| Nominal Conductor Cross Section |
mm² |
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
Minimum Bending Radius: 10×OD (Aluminium Conductor); 8×OD (Copper Conductor)
Temperature Range: -25℃ to +85℃ (during operation); -10℃ to +70℃ (during installation) |
