12/20(24)KV Power Cables to CENELEC HD620 & C 33-226
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
- Conductor: Class 2 stranded plain copper / aluminium conductor to BS EN 60228: 2005 (previously BS 6360).
- Conductor Screen: Semi-conducting material.
- Insulation: XLPE.
- Insulat ion Screen: Semi -conduct ingmaterial.
- 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.
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Electrical Characteristics at 20℃
Copper Conductor
| 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 | ||||||||
Aluminium Conductor
| 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)
Dimensions and Weight
XKDT Single Core 12/20KV Copper Conductor
| Cable Code | No. of cores& Nominal Conductor Cross Sectional Area No.×mm² |
No. & Nominal Diameter of Strands No/mm |
Nominal Insulation Thickness mm |
Nominal Sheath Thickness mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
| RF33226-XKDT-12/20KV-1G25CU | 1×25 | 7/2.14 | 5.5 | 1.8 | 27 | 740 |
| RF33226-XKDT-12/20KV-1G50CU | 1×50 | 19/1.78 | 5.5 | 2.0 | 29 | 1120 |
| RF33226-XKDT-12/20KV-1G95CU | 1×95 | 19/2.52 | 5.5 | 2.1 | 32 | 1640 |
| RF33226-XKDT-12/20KV-1G150CU | 1×150 | 37/2.25 | 5.5 | 2.2 | 35 | 2320 |
| RF33226-XKDT-12/20KV-1G240CU | 1×240 | 61/2.25 | 5.5 | 2.4 | 41 | 3360 |
| RF33226-XKDT-12/20KV-1G300CU | 1×300 | 61/2.52 | 5.5 | 2.5 | 43 | 4060 |
| RF33226-XKDT-12/20KV-1G400CU | 1×400 | 61/2.85 | 5.5 | 2.6 | 46 | 5040 |
| RF33226-XKDT-12/20KV-1G500CU | 1×500 | 91/2.65 | 5.5 | 2.7 | 50 | 6150 |
| RF33226-XKDT-12/20KV-1G630CU | 1×630 | 127/2.52 | 5.5 | 2.9 | 56 | 7830 |
XKDT-YT Three Core 12/20KV Copper Conductor
| Cable Code | No. of cores& Nominal Conductor Cross Sectional Area No.×mm² |
No. & Nominal Diameter of Strands No/mm |
Nominal Insulation Thickness mm |
Nominal Sheath Thickness mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
| RF33226-XKDT-YT-12/20KV-3G25CU | 3×25 | 7/2.14 | 5.5 | 2.9 | 62 | 2740 |
| RF33226-XKDT-YT-12/20KV-3G50CU | 3×50 | 19/1.78 | 5.5 | 3.0 | 65 | 3750 |
| RF33226-XKDT-YT-12/20KV-3G95CU | 3×95 | 19/2.52 | 5.5 | 3.3 | 72 | 5330 |
| RF33226-XKDT-YT-12/20KV-3G150CU | 3×150 | 37/2.25 | 5.5 | 3.5 | 79 | 7450 |
| RF33226-XKDT-YT-12/20KV-3G240CU | 3×240 | 61/2.25 | 5.5 | 3.8 | 91 | 10670 |
| RF33226-XKDT-YT-12/20KV-3G300CU | 3×300 | 61/2.52 | 5.5 | 4.0 | 98 | 13140 |
XKDT Single Core 12/20KV Aluminium Conductor
| Cable Code | No. of cores& Nominal Conductor Cross Sectional Area No.×mm² |
No. & Nominal Diameter of Strands No/mm |
Nominal Insulation Thickness mm |
Nominal Sheath Thickness mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
| RF33226-XKDT-12/20KV-1G95AL | 1×95 | 19/2.52 | 5.5 | 2.1 | 32 | 970 |
| RF33226-XKDT-12/20KV-1G150AL | 1×150 | 37/2.25 | 5.5 | 2.2 | 35 | 1310 |
| RF33226-XKDT-12/20KV-1G240AL | 1×240 | 61/2.25 | 5.5 | 2.4 | 40 | 1830 |
| RF33226-XKDT-12/20KV-1G300AL | 1×300 | 61/2.52 | 5.5 | 2.5 | 44 | 2140 |
| RF33226-XKDT-12/20KV-1G400AL | 1×400 | 61/2.85 | 5.5 | 2.6 | 47 | 2480 |
| RF33226-XKDT-12/20KV-1G500AL | 1×500 | 61/3.20 | 5.5 | 2.7 | 51 | 2920 |
| RF33226-XKDT-12/20KV-1G630AL | 1×630 | 127/2.52 | 5.5 | 2.9 | 56 | 3580 |
XKDT-YT Three Core 12/20KV Aluminium Conductor
| Cable Code | No. of cores& Nominal Conductor Cross Sectional Area No.×mm² |
No. & Nominal Diameter of Strands No/mm |
Nominal Insulation Thickness mm |
Nominal Sheath Thickness mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
| RF33226-XKDT-YT-12/20KV-3G95AL | 3×95 | 19/2.52 | 5.5 | 3.3 | 72 | 3310 |
| RF33226-XKDT-YT-12/20KV-3G150AL | 3×150 | 37/2.25 | 5.5 | 3.5 | 79 | 4360 |
| RF33226-XKDT-YT-12/20KV-3G240AL | 3×240 | 61/2.25 | 5.5 | 3.8 | 90 | 6020 |
| RF33226-XKDT-YT-12/20KV-3G300AL | 3×300 | 61/2.52 | 5.5 | 4.0 | 98 | 7000 |
| RF33226-XKDT-YT-12/20KV-3G400AL | 3×400 | 61/2.85 | 5.5 | 4.3 | 106 | 8010 |
XKDT-FT Three Core 12/20KV Copper Conductor Galvanized Steel Flat Wire Armoured
| Cable Code | No. of cores& Nominal Conductor Cross Sectional Area No.×mm² |
No. & Nominal Diameter of Strands No/mm |
Nominal Insulation Thickness mm |
Nominal Sheath Thickness mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
|
| Inner | Outer | ||||||
| RF33226-XKDT-FT-12/20KV-3G50CU | 3×50 | 19/1.78 | 5.5 | 1.6 | 3.0 | 72.9 | 7470 |
| RF33226-XKDT-FT-12/20KV-3G95CU | 3×95 | 19/2.52 | 5.5 | 1.7 | 3.3 | 81.5 | 10100 |
| RF33226-XKDT-FT-12/20KV-3G150CU | 3×150 | 37/2.25 | 5.5 | 1.8 | 3.5 | 89.1 | 12800 |
| RF33226-XKDT-FT-12/20KV-3G240CU | 3×240 | 61/2.25 | 5.5 | 2.0 | 3.8 | 99.5 | 16850 |