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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

450/750V Track Feeder Cables to RT/E/S/21101

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