1800V DC Positive Traction Cables

 

Applications :

  • These DC power cables are used for urban railways for 1500V 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 :

  • IEC60092
  • BS 7655
  • IEC60502
  • BS 6883 Type 657 SW4
 

 

Construction :

  • Conductor : Class 2 stranded annealed bare copper conductors to BS EN 60228: 2005 (previously BS 6360).
  • Core Wrapping : PETP (Polyethylene Terephthalate).
  • Insulation : EPR, GP8 to BS 6899 / BS 7655 RS2 / ICEA S-95-658.
  • Sheath : Thermosetting LSZH compound SW4 or LRS1 to BS 7655 / ICEA T-33-655, 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
    Maximum DC Conductor Resistance Ω/km 0.277 0.21 0.164 0.132 0.108 0.0817 0.0654 0.0495 0.0391
    Minimum Insulation Resistance MΩ.km 539 472 433 390 355 313 280 245 221
    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 16.4 34.3 42.9 57.2 71.5
    Voltage Rating KV 1.8

Mechanical and Thermal Properties :

  • Minimum Bending Radius : 6×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.×mm²
No. & Nominal
Diameter of
Strands
No/mm
Nominal
Insulation
Thickness
mm
Nominal
Sheath
Thickness
mm
Nominal
Overall
Diameter
mm
Nominal
Weight
kg/km
Polarity
RF6883-DZ1-U-1800P-1G70 1×70 19/2.14 4.0 2.0 20.3 1371 Positive
RF6883-DZ1-U-1800P-1G95 1×95 19/2.52 4.0 2.0 21.7 1641 Positive
RF6883-DZ1-U-1800P-1G120 1×120 37/2.03 4.0 2.2 23.6 1958 Positive
RF6883-DZ1-U-1800P-1G150 1×150 37/2.25 4.0 2.2 19.3 2295 Positive
RF6883-DZ1-U-1800P-1G185 1×185 37/2.52 4.0 2.3 27.3 2682 Positive
RF6883-DZ1-U-1800P-1G240 1×240 61/2.25 4.0 2.3 30.7 3341 Positive
RF6883-DZ1-U-1800P-1G300 1×300 61/2.52 4.0 2.4 33.3 4016 Positive
RF6883-DZ1-U-1800P-1G400 1×400 61/2.85 4.0 2.4 40.3 5071 Positive
RF6883-DZ1-U-1800P-1G500 1×500 91/2.65 4.0 2.5 42.3 6275 Positive
RF6883-DZ1-U-1800P-1G630 1×630 127/2.52 4.0 2.5 43.4 6980 Positive
RF6883-DZ1-U-1800P-1G800 1×800 127/2.85 4.0 2.7 50.6 8785 Positive

 

 

   
   
Low Toxicity

 

Flame Retardant
NF C32-070-2.1(C2)
IEC 60332-1/EN 50265-2-1
Fire Retardant
NF C32-070-2.2(C1)
IEC 60332-3/EN50266
Zero Halogen
IEC 60754-1/NF C20-454
EN 50267-2-1
Low Smoke Emission
IEC 61034/NFC20-902
EN 50268/NF C32-073
Low Corrosivity
EN 50267-2-2/NF C32-074
IEC 60754-2/NF C20-453