| Railway Cables | ||||||||||
|
||||||||||
12/20(24)KV Power Cables to CENELEC HD620 & C 33-226
Application
12/20(24)KV Power 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.
Reference 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)
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 |
Note: The parameters listed above are nominal values as per cable standards. Actual values may vary due to material and manufacturing process variations. For precise specifications or customized requirements, please contact us for further information







