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.
Standards
- SNCF CT 445
- NF F 55-698
Construction
- Conductors: Class 1 solid copper, 1.0 mm² 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.
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Electrical Characteristics at 20℃
| Nominal Conductor Diameter | mm | 1.13 |
| Nominal Cross Section Area | mm² | 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 mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
|
| Inner | Outer | ||||
| 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 |