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) |
