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Composite Cables
3x2.5 Power Cable + 6C Optical Fibre Cable SWB LSZH Sheathed Composite Cable
Construction:
3x2.5mm² Power Cable ( around central member )
| Conductor | 50/0.25mm Stranded bare copper wire |
|---|---|
| Insulation | XLPE. Thickness is 0.86mm. Outer diameter 3.5mm |
| Insulation Color | Blue, Brown and Green/Yellow |
6C Optic Fiber Cable
| No of fibers in loose tube | 6 fibers |
|---|---|
| Loose tube | Outer diameter: 3.5mm (PE or PVC Sheathwould be used over the loose tube if necessary) |
Element Assembly
| Wrapping Tape | Ployester tape |
|---|---|
| Inner Sheath | Grey LSZH, thickness 0.8mm |
| Armor | Galvanised steel wire armour, coverage 99% |
| Wrapping Tape | Ployester tape |
| Sheath | LSZH, thickness 1.6mm, norminal outer diameter 16.2mm |
| Sheath Color | Grey |
Optical CharacteristicsTable 1. SM
| Property | Requirement |
|---|---|
| Optical properties | |
| Attenuation @ 1310 nm | 0.35 dB/km |
| Attenuation @ 1550 nm | 0.22 dB/km |
| Point Discontinuity | 0.1 dB @ 1310 or 1550 nm |
| Chromatic Dispersion slope: | 0.092 ps/km/nm2 |
| Zero Chromatic Dispersion Wavelength: | 1300 - 1324 nm |
| Mode Field Diameter @ 1300 nm | 9.3 0.5m |
| Mode Field Diameter @ 1550 nm | 10.51.0m |
| Fiber Cut-Off Wavelength | 1260 70 nm |
| Cable Cut-Off Wavelength | 1260 nm |
| Geometrical properties | |
| Cladding Diameter: | 125 1.0 m |
| Core-Cladding Offset | 0.8 m |
| Cladding Non-Circularity: | 1.0 % |
| Colored Coating Diameter: | 250 10m |
| Coating / Cladding Offset: | 12m |
| Mechanical properties | |
| Proof Test: | 0.7 GN/m2 for 1 second |
Table 2. MM
| Property | 50/125 fibers | 62.5/125 fibers |
|---|---|---|
| Attenuation @ 850 nm (dB/km) | 3.0 | 3.2 |
| Attenuation @ 1300 nm (dB/km) | 1.0 | 1.2 |
| Added Attenuation withBending | 0.5 dB (850 and 1300 nm for 100 turns around a 75 mm mandrel | |
| Numerical Aperture | 0.20 0.02 | 0.275 0.015 |
| Bandwidth @ 850 nm | 400 MHz*km | 160 MHz*km |
| Bandwidth @ 1300 nm | 800 MHz*km | 500 MHz*km |
| Core diameter | 50 3 m | 62.5 3 m |
| Cladding diameter | 125 2 m | |
| Core-Claddingoffset | 6% | |
| Cladding non-circularity | 2% | |
| Core non-circularity | 6% | |
| Coating diameter | 245 10 m | |
| Coating / Cladding offset | 12 m | |
| Proof Test | 0.69 GN/m2 (100 kpsi) |
Electrical and Physical Properties @20°C(Power Cable):
Max. Electrical Resistance: 7.98Ohm/km
Insulation Resistance: ≥5500 MOhmxkm
Dielectric Strength: 1500V/1’
Physical Characteristic:
Min Bending Radius: 240mm
Operating Temperature: -35°C/+80°C
Fire Characteristics:
Flame Propagation: IEC60332-1
Low Smoke Capacity:IEC61034-1/2
Halogen Free:IEC60754-1/2
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