ZPGU Local Signalling Cables (DC Electrifi ed Lines)
Application
The cables are designed for internal connection inside cabling of equipment shelters along the trackside. The shielded cables are suitable for local circuits.
Standard
Cable Construction
| Conductors |
Class 1 solid copper, 1.0 mm^2 nominal cross section area. |
| Insulation |
Solid polyethylene. |
| Cabling Element |
Each two conductors are twisted together to form a pair. |
| Inner Sheath |
PE. |
| Screen |
Aluminium/Polyethylene tape screen. |
| Drain Wire |
Tinned copper drain wire. |
| Outer Sheath |
PVC/LSZH. |
Electrical Characteristics at 20℃
| Nominal Conductor Diameter |
mm |
1.13 |
| Nominal Cross Section Area |
mm^2 |
1.0 |
| Maximum Conductor Resistance (DC) |
Ω/km |
18.1 |
| Maximum Mutual Capacitance @1000Hz (AC) |
nF/km |
55 |
| Operating Voltage |
V |
750 |
Mechanical and Thermal Properties
- Minimum Bending Radius: 8×OD (static); 16×OD (dynamic)
- Temperature Range: -40℃ to +70℃ (during operation); -20℃ to +50℃ (during installation)
Dimensions and Weight
| Cable Code |
No. of Pairs |
Nominal Sheath Thickness |
Nominal Overall Diameter |
Nominal Weight |
| Inner |
Outer |
| |
|
mm |
mm |
mm |
kg/km |
| 1.13mm Conductor, 2.3 Insulated Wire |
| RS/ZPGU-2Y2Y(L)Y-1P1S |
1 |
1.0 |
1.5 |
9.8 |
95 |
| RS/ZPGU-2Y2Y(L)Y-2P1S |
2 |
1.0 |
1.5 |
10.6 |
130 |
| RS/ZPGU-2Y2Y(L)Y-3P1S |
3 |
1.0 |
1.5 |
13.2 |
179 |
| RS/ZPGU-2Y2Y(L)Y-7P1S |
7 |
1.0 |
1.7 |
18.3 |
301 |
| RS/ZPGU-2Y2Y(L)Y-14P1S |
14 |
1.2 |
1.8 |
21.3 |
532 |
