12/20(24)KV Power Cables to CENELEC HD620 & C 33-226
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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
● CENELEC HD 620
● C 33-226
Construction
Conductors
Class 2 stranded plain copper / aluminium conductor to BS EN 60228: 2005 (previously BS 6360).
Conductor Screen
Semi-conducting material.
Insulation
XLPE.
Insulation Screen
Semi -conduct ing material.
Metallic Screen
Copper wire screen.
Filler
PETP (Polyethylene Terephthalate) fibres.
Separator
Binding tape.
Sheath
PE.
Optional
Armoured Cables: Galvanized steel fl at wire armoured cables can be offered as options.
Electrical Characteristics at 20℃
| Nominal Conductor Cross Section |
mm² |
|
50 |
95 |
150 |
240 |
300 |
400 |
500 |
630 |
| Maximum DC Conductor Resistance |
Ω/km |
|
0.387 |
0.193 |
0.124 |
0.0754 |
0.0601 |
0.047 |
0.0366 |
0.0283 |
| Voltage Rating |
KV |
11 |
| Nominal Conductor Cross Section |
mm² |
95 |
150 |
240 |
300 |
400 |
500 |
630 |
| Maximum DC Conductor Resistance |
Ω/km |
0.32 |
0.206 |
0.125 |
0.1 |
0.0778 |
0.0605 |
0.0469 |
| Voltage Rating |
KV |
20 |
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) |
