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Prouducts300V DC Negative Traction Cables
Application
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
Conductors
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℃
| 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℃ to +90℃ (during operation); -25℃ to +60℃ (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 |
