1800V DC Positive Traction Cables

APPLICATION

These DC power cables are used for urban railways for 1800V DC traction power system with feedback current and return current, suitable for fixed installation. The cables are suitable for installations in ducts, tunnels, and cable troughs or on the cable bridges etc.

STANDARDS

NR-PS-ELP-21101

IEC60502-1

BS 6883

FIRE PERFORMANCE

IEC60332-3-22

IEC60754-1, IEC60754-2

IEC61034-1, IEC61034-2

CONSTRUCTION

Conductor : Stranded annealed bare or metal coated copper conductors to BS EN 60228:2005 (previously BS6360).

Core wrapping : PETP (Polyethylene Terephthalate).

Insulation : EPR, GP4 to BS 7655-1.2（formerly BS6889 GP2）

Sheath : Thermosetting LSZH compound SW4 to BS 7655-2.6 (formerly BS 7655-2.5 LRS1)with enhanced oil resistance, and minimum tear resistance.

ELECTRICAL CHARACTERISTICS AT 20°C

Nominal Conductor Cross Section mm² 70 95 120 150 185 240 300 400 500
Assigned Continuous Current Rating A 330 400 464 530 612 648 853 1010 1195
Conductor Short Circuit Current 1s KA 10.0 13.5 17.1 21.4 26.4 34.3 42.9 57.2 71.5
Voltage Rating KV 1.8

MECHANICAL AND THERMAL PROPERTIES

Minimum Bending Radius 8 x OD
Temperature Range -40°C to +90°C (during operation)
-25°C to +60°C (during installation)

DIMENSIONS AND WEIGHT

Cable Code No. of cores& Nominal Conductor Cross Sectional Area No. x mm² No. & Nominal Diameter of Strands No/mm Nominal Insulation Nominal Sheath Nominal Overall Nominal Weight kg/km Max. Resistance of Conductor at 20°C/Ω/Km
Plain Wires Metal Coated Wires
Class 2 Conductor
RF6883-DZ1-U-1800P-1G70S 1 x 70 19/2.14 2.2 1.8 18.3 921 0.268 0.270
RF6883-DZ1-U-1800P-1G95S 1 x 95 19/2.52 2.4 1.8 18.7 934 0.193 0.195
RF6883-DZ1-U-1800P-1G120S 1 x 120 37/2.03 2.4 1.8 22.6 1529 0.153 0.154
RF6883-DZ1-U-1800P-1G150S 1 x 150 37/2.25 2.4 1.8 24.2 1828 0.124 0.126
RF6883-DZ1-U-1800P-1G185S 1 x 185 37/2.52 2.4 1.8 26.0 2233 0.0991 0.100
RF6883-DZ1-U-1800P-1G240S 1 x 240 61/2.25 2.4 1.8 28.7 2856 0.0754 0.0762
RF6883-DZ1-U-1800P-1G300S 1 x 300 61/2.52 2.4 2.0 31.5 3848 0.0601 0.0607
RF6883-DZ1-U-1800P-1G400S 1 x 400 61/2.85 2.6 2.1 35.1 4491 0.0470 0.0475
RF6883-DZ1-U-1800P-1G500S 1 x 500 91/2.65 2.8 2.9 40.2 5773 0.0366 0.0369
RF6883-DZ1-U-1800P-1G630S 1 x 630 127/2.52 2.8 2.9 44.2 7293 0.0283 0.0286
RF6883-DZ1-U-1800P-1G800S 1 x 800 127/2.85 2.8 2.9 48.5 9157 0.0221 0.0224
Class 5 Conductor
RF6883-DZ1-U-1800P-1G70S 1 x 70 360/0.5 2.2 1.8 18.3 921 0.272 0.277
RF6883-DZ1-U-1800P-1G95S 1 x 95 475/0.5 2.4 1.8 18.7 934 0.206 0.210
RF6883-DZ1-U-1800P-1G120S 1 x 120 608/0.5 2.4 1.8 22.6 1529 0.161 0.164
RF6883-DZ1-U-1800P-1G150S 1 x 150 756/0.5 2.4 1.8 24.2 1828 0.129 0.132
RF6883-DZ1-U-1800P-1G185S 1 x 185 925/0.5 2.4 1.8 26.0 2233 0.106 0.108
RF6883-DZ1-U-1800P-1G240S 1 x 240 1221/0.5 2.4 1.8 28.7 2856 0.0801 0.0817
RF6883-DZ1-U-1800P-1G300S 1 x 300 1525/0.5 2.4 2.0 31.5 3848 0.0641 0.0654
RF6883-DZ1-U-1800P-1G400S 1 x 400 2013/0.5 2.6 2.1 35.1 4491 0.0486 0.0495
RF6883-DZ1-U-1800P-1G500S 1 x 500 1769/0.6 2.8 2.9 40.2 5773 0.0384 0.0391
RF6883-DZ1-U-1800P-1G630S 1 x 630 2257/0.6 2.8 2.9 44.2 7293 0.0287 0.0292