300V DC Negative Traction Cables
ApplicationThese 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 o…
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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 Sectionmm²7095120150185240300400500
Maximum DC Conductor ResistanceΩ/km0.2770.210.1640.1320.1080.08170.06540.04950.0391
Minimum Insulation ResistanceMΩ.km0.80.80.80.80.80.80.80.80.8
Conductor Short Circuit Current 1skA10.013.517.121.416.434.342.957.271.5
Voltage RatingKV0.3

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 CodeNo. 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-1G701×7019/2.144.019.41055Negative
RF6883-ES05Z1-U-300N-1G951×9519/2.524.020.71307Negative
RF6883-ES05Z1-U-300N-1G1201×12037/2.034.022.61598Negative
RF6883-ES05Z1-U-300N-1G1501×15037/2.254.024.31913Negative
RF6883-ES05Z1-U-300N-1G1851×18537/2.524.026.32274Negative
RF6883-ES05Z1-U-300N-1G2401×24061/2.254.029.12893Negative
RF6883-ES05Z1-U-300N-1G3001×30061/2.524.032.33530Negative
RF6883-ES05Z1-U-300N-1G4001×40061/2.854.036.34532Negative
RF6883-ES05Z1-U-300N-1G5001×50091/2.654.040.35684Negative
RF6883-ES05Z1-U-300N-1G6301×630127/2.524.042.36400Negative
RF6883-ES05Z1-U-300N-1G8001×800127/2.854.046.58094Negative