Railway Cables

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)

Dimensions And Weight

Cable Code
No. of cores&
Nominal Conductor
Cross Sectional
Area
No.×mm²
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