300V DC Negative 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).
- 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 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 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 0.3
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 Overall Diameter mm |
Nominal Weight kg/km |
Polarity |
RF6883-ES05Z1-U-300N-1G70 | 1×70 | 19/2.14 | 4.0 | 19.4 | 1055 | Negative |
RF6883-ES05Z1-U-300N-1G95 | 1×95 | 19/2.52 | 4.0 | 20.7 | 1307 | Negative |
RF6883-ES05Z1-U-300N-1G120 | 1×120 | 37/2.03 | 4.0 | 22.6 | 1598 | Negative |
RF6883-ES05Z1-U-300N-1G150 | 1×150 | 37/2.25 | 4.0 | 24.3 | 1913 | Negative |
RF6883-ES05Z1-U-300N-1G185 | 1×185 | 37/2.52 | 4.0 | 26.3 | 2274 | Negative |
RF6883-ES05Z1-U-300N-1G240 | 1×240 | 61/2.25 | 4.0 | 29.1 | 2893 | Negative |
RF6883-ES05Z1-U-300N-1G300 | 1×300 | 61/2.52 | 4.0 | 32.3 | 3530 | Negative |
RF6883-ES05Z1-U-300N-1G400 | 1×400 | 61/2.85 | 4.0 | 36.3 | 4532 | Negative |
RF6883-ES05Z1-U-300N-1G500 | 1×500 | 91/2.65 | 4.0 | 40.3 | 5684 | Negative |
RF6883-ES05Z1-U-300N-1G630 | 1×630 | 127/2.52 | 4.0 | 42.3 | 6400 | Negative |
RF6883-ES05Z1-U-300N-1G800 | 1×800 | 127/2.85 | 4.0 | 46.5 | 8094 | Negative |
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 |