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Telephone Cables |  |
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PE Insulated Air Core/Jelly Filled Paired Railway Signalling Cables (RF 0.3)
Application
The cables are designed to give good protection to the cable cores against inductive interference (RF=0.3). The
cables are used for outdoor signaling equipment.
Standards
RENFE E.T. 03.365.051.6
Construction
Conductors
Solid annealed bare copper 0.9/1.4mm as per ASTM B-3/class 1 of IEC 60228
Insulation
Solid polyethylene as per ASTM D 1248/IEC 60708
Twisted Pairs
Two insulated conductors are twisted into pairs with varying lays to minimize crosstalk
Cable Core Assembly
The cores are cabled together in concentric layers to form the cable core. Units are identified by colour coded
binders
Core Filling (optional)
The cable core interstices can be filled with petroleum jelly to avoid longitudinal water penetration inside the
cable
Core Wrapping
One or more non-hygroscopic polyester tapes are helically or longitudinally laid with an overlap
Moisture Barrier (optional)
An optional copolymer coated aluminium tape of 0.2mm is applied longitudinally with an overlap
Bedding
PE or LSZH
Electrostatic Screen
Corrugated copper tape of 0.12mm is applied longitudinally with overlap
Electrostatic Armour
Two high permeability steel tapes of 0.5mm are helically applied with gap. The outer tape will cover the gap left
by the inner one
Sheath
PVC or LSZH
Ripcord
Nylon ripcord may be placed parallel to the cores to facilitate sheath removal
Electrical Properties
| Nominal Conductor Diameter | mm | 0.9 | 1.4 |
| Conductor Size | mm2 | 0.636 | 1.539 |
| Maximum Conductor Resistance @20°C | Ω/km | 28 | 12.1 |
| Minimum Insulation Resistance @500V DC | MΩ.km | 35000 | 5000 |
| Reduction Factor Rk (50Hz) Induced Voltage Em 100V/Km | 0.3 | 0.3 | |
| Induced Voltage Em 500V/Km | 0.5 | 0.5 | |
| Maximum Resistance Unbalance | % | 2.5 | 2.5 |
| Maximum Mutual Capacitance @0.8KHz | nF/km | 59 | 64 |
| Maximum Capacitance Unbalance @1KHz pair-to-pair | pF/500m | 275 | 275 |
| Maximum Capacitance Unbalance @1KHz pair-to-ground | pF/500m | 1200 | 1200 |
| Maximum Average Attenuation @1KHz | dB/km | 0.7 | 0.46 |
| Maximum Average Attenuation @10KHz | dB/km | 1.6 | 0.85 |
| Maximum Average Attenuation @20KHz | dB/km | 2.1 | 1.3 |
| Dielectric Strength Conductor to Conductor 1 min | V DC | 1500 | 1500 |
| Conductor to Screen 1min | V DC | 2000 | 2000 |
| Dielectric Strength Conductor to Conductor 3secs | V DC | 3000 | 3000 |
| Conductor to Screen 3secs | V DC | 4500 | 4500 |
| Nominal Insulation Thickness | mm | 0.45 | 0.65 |
| Nominal Insulated Conductor Diameter | mm | 1.8 | 2.7 |
Mechanical and Thermal Properties
Temperature range during operation (fixed state): -30°C – +70°C
Temperature range during installation (mobile state): -20°C – +50°C
Minimum bending radius: 15 x Overall Diameter
Colour Code
| Position | Number of pairs | |||||||||
| 1(Pilot) | 2(Direct) | 3 | 4 | 5 | ||||||
| Centre | BLACK | NATURAL | BLUE | NATURAL | YELLOW | NATURAL | RED | NATURAL | ||
| Layers | BLACK | NATURAL | BLUE | NATURAL | YELLOW | NATURAL | RED | NATURAL | GREEN | NATURAL |
Dimensions And Weight
| Cable Code | Number of Pairs | Nominal Bedding/ Sheath Thickness mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
| 0.9mm Conductor, 1.8mm Insulated Wire | ||||
| TP365-2Y2Y(CTS)2Y(DSTA)Y2P09-RF03 | 2 | 1.5/1.6 | 18.3 | 1300 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y6P09-RF03 | 6 | 1.5/1.6 | 21.7 | 1425 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y10P09-RF03 | 10 | 1.5/1.6 | 25.2 | 1650 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y14P09-RF03 | 14 | 1.5/1.6 | 26.7 | 1800 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y20P09-RF03 | 20 | 1.5/1.6 | 29.2 | 2275 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y28P09-RF03 | 28 | 1.6/1.8 | 32.3 | 2450 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y38P09-RF03 | 38 | 1.7/1.8 | 36.0 | 2895 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y54P09-RF03 | 54 | 1.7/1.8 | 40.5 | 3275 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y74P09-RF03 | 74 | 1.8/2.0 | 45.6 | 3775 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y96P09-RF03 | 96 | 1.9/2.0 | 49.8 | 4275 |
| 1.4mm Conductor, 2.7mm Insulated Wire | ||||
| TP365-2Y2Y(CTS)2Y(DSTA)Y2P14-RF03 | 2 | 1.5/1.6 | 20.2 | 1615 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y6P14-RF03 | 6 | 1.5/1.6 | 25.7 | 1775 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y10P14-RF03 | 10 | 1.6/1.8 | 30.8 | 2200 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y14P14-RF03 | 14 | 1.6/1.8 | 32.8 | 2525 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y20P14-RF03 | 20 | 1.7/1.8 | 36.5 | 2975 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y28P14-RF03 | 28 | 1.7/1.8 | 40.5 | 3150 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y38P14-RF03 | 38 | 1.8/2.0 | 45.6 | 3695 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y58P14-RF03 | 58 | 2.0/2.2 | 52.3 | 3975 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y74P14-RF03 | 74 | 2.1/2.2 | 59.1 | 4475 |
| TP365-2Y2Y(CTS)2Y(DSTA)Y96P14-RF03 | 96 | 2.2/2.3 | 66.0 | 4975 |