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Railway Cables
 

1800V DC Positive Traction Cables

1800V DC Positive 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).

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℃

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℃ to +90℃ (during operation); -25℃ to +60℃ (during installation)

 

 
   
   
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