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
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- 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 | 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.×mm^2 |
No. & Nominal Diameter of Strands No/mm |
Nominal Sheath Thickness mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
Polarity/ Gland Size |
|---|---|---|---|---|---|---|
| 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 |
