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

450/750V Track Feeder Cables Railway Cable
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