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Railway Cables
 

11KV LSZH Power Cables to BS 7835

11KV LSZH Power Cables to BS 7835

Application

The cables are power cables for power networks, underground, outdoors and in cable ducting, in particular for installation where fi re, smoke emission and toxic fumes create a potential threat.

Standards

● BS 7835
● BS EN 50267-2-1

Construction

Conductors
Class 2 stranded plain copper conductor to BS EN 60228: 2005 (previously BS 6360).

Conductor Screen
Semi-conducting material.

Insulation
XLPE Type GP8 to BS 7655.

Insulation Screen
Semi-conducting material.

Metallic Screen
Individual and overall copper tape screen.

Filler
PETP (Polyethylene Terephthalate) fi bres.

Separator
Binding tape.

Bedding
LSZH.

Armour
Aluminium wire armoured (AWA) (for single core cables) or steel wire armoured (SWA) (for multicore cables).

Sheath
LSZH.

Electrical Characteristics at 20℃

Nominal Conductor Cross Section
mm²
50
70
95
120
150
185
240
Maximum DC Conductor Resistance
Ω/km
0.387
0.268
0.193
0.153
0.124
0.0991
0.0754
Voltage Rating
KV
11

 

Nominal Conductor Cross Section
mm²
300
400
500
630
800
1000
Maximum DC Conductor Resistance
Ω/km
0.0601
0.047
0.0366
0.0283
0.0221
0.0176
Voltage Rating
KV
11

Mechanical and Thermal Properties

Minimum Bending Radius: 15×OD (for single core cables); 12×OD (for three core cables).
Temperature Range:0℃ to +90℃ (during operation); 0℃ to +60℃ (during installation)

 

 
   
   
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