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07OPGW
OPGW — Optical Ground Wire
An overhead earth/shield wire integrated with a 24-fibre optical core (center-tube; G.652 or G.655 fibres to order) — grounding and grid telecoms in a single span, in 10.5 mm and 12.0 mm builds.
- Standards
- IEEE 1138ASTM B415ITU-T G.652ITU-T G.655
- Application
- Transmission-line grounding + fibre backbone.
- 6 × Ø4.00 mm · Aluminium-clad steelOuter layer — right-hand lay
- 1 × Ø4.00 mm · Stainless steelOptical loose tube
Construction
All sections at one scale, drawn from the real stranding. Choose a size and the 3D view shows it.
| 10 mm | ||
| Standard | IEEE 1138 · ASTM B415 | IEEE 1138 · ASTM B415 |
| Loose tube | 1 × Ø3.5 mm stainless | 1 × Ø4.00 mm stainless |
| Optical fibres | 24 · ITU-T G.655 | 24 · ITU-T G.655 |
| Al-clad steel wire | 6 × Ø3.5 mm | 6 × Ø4.00 mm |
| Overall Ø | 10.5 mm | 12.0 mm |
| Mass | 407 kg/km | 530 kg/km |
| Breaking load | 69.6 kN | 82.1 kN |
Specifications
| Property | Unit | OPGW 10.5 | OPGW 12.0 |
|---|---|---|---|
| Type of optical fibre | – | NZDSF | NZDSF |
| Applicable standard | – | ITU-T G.655 (2003) | ITU-T G.655 (2003) |
| Class of optical fibre | – | A | A |
| Mode field dia. @1550 nm | µm | 9.6 | 9.6 |
| Mode field dia. tolerance | µm | ±0.4 | ±0.4 |
| Cladding dia. (nominal) | µm | 125 | 125 |
| Cladding dia. tolerance | µm | ±1 | ±1 |
| Coating dia. (nominal) | µm | 250 | 250 |
| Coating dia. tolerance | µm | ±5 | ±5 |
| Core concentricity error (max) | µm | 0.6 | 0.6 |
| Cladding non-circularity (max) | % | 1.0 | 1.0 |
| Max attenuation @1550 nm | dB/km | 0.22 | 0.22 |
| Attenuation discontinuities @1310 & 1550 nm | dB | ≤ 0.05 | ≤ 0.05 |
| Cut-off wavelength (max) | nm | 1450 | 1450 |
| Chromatic dispersion @1550 nm | ps/(nm·km) | 2–6 | 2–6 |
| Zero-dispersion wavelength | nm | 1520 | 1520 |
| Zero-dispersion slope | ps/(nm²·km) | 0.09 | 0.09 |
| PMD coefficient (max) | ps/√km | 0.2 | 0.2 |
| Macrobend loss radius | mm | 30 | 30 |
| Macrobend loss turns | – | 100 | 100 |
| Macrobend loss max | dB | 0.1 | 0.1 |
| Proof stress (min) | GPa | 0.69 | 0.69 |
| Backscatter coefficient @1550 nm | dB | −80 … −82 | −80 … −82 |
| Property | Unit | OPGW 10.5 | OPGW 12.0 |
|---|---|---|---|
| Manufacturer / country | – | Koohrang Zagros / Iran | Koohrang Zagros / Iran |
| Designation & unit type | – | OPGW 10.5 center tube | OPGW 12.0 center tube |
| Applicable standard | – | IEEE 1138 | IEEE 1138 |
| Number of fibres | – | 24 | 24 |
| Stainless-steel loose tube (No./dia.) | – | 1 / 3.5 | 1 / 4.00 |
| Aluminium-clad steel wire (No./dia.) | – | 6 / 3.5 | 6 / 4.00 |
| Outer stranding direction | – | Left | Left |
| Lay ratio | times | 10–16 | 10–16 |
| Overall diameter | mm | 10.5 | 12 |
| Cross-section — stainless-steel tube | mm² | 2.07 | 2.39 |
| Cross-section — ACS wire | mm² | 57.7 | 75.4 |
| Cross-section — total | mm² | 59.8 | 77.8 |
| Weight (max) — ACS wire | kg/km | 388 | 494 |
| Weight (max) — stainless-steel tube | kg/km | 15 | 25 |
| Weight (max) — grease | kg/km | 4 | 6 |
| Weight (max) — total | kg/km | 407 | 530 |
| Calculated breaking load (min) | kN | 69.6 | 82.1 |
| Modulus of elasticity — initial | kgf/mm² | 15500 | 15500 |
| Modulus of elasticity — final | kgf/mm² | 15800 | 15800 |
| Coefficient of linear expansion | 10⁻⁶/°C | 13 | 13 |
| Maximum tensile stress | N/mm² | 499 | 490 |
| Everyday stress | N/mm² | 190.1 | 190 |
| DC resistance @20°C (max) | Ω/km | 1.499 | 1.135 |
| Rated short-circuit current 0.5 s | kA | 6.5 | 7.5 |
| Minimum allowable bending radius | mm | 158 | 180 |
| Grease — drop point | °C | ≥ 90 | ≥ 90 |
| Grease — flash temperature | °C | ≥ 200 | ≥ 200 |
| Property | Unit | OPGW 10.5 | OPGW 12.0 |
|---|---|---|---|
| Material — core | – | SiO₂-GeO₂ | SiO₂-GeO₂ |
| Material — clad | – | SiO₂ | SiO₂ |
| Max allowable temperature — continuous | °C | 80 | 80 |
| Max allowable temperature — instantaneous | °C | 200 | 200 |
| Temp. range — operation | °C | −40 … +80 | −40 … +80 |
| Temp. range — installation | °C | −10 … +50 | −10 … +50 |
| Minimum fibre excess length elongation | % | 0.5 | 0.5 |
| OPGW reel length | m | 5000 ±3% | 5000 ±3% |
| Applicable standard (wire) | – | ASTM B415 | ASTM B415 |
| Standard diameter | mm | 3.5 | 4.0 |
| Minimum tensile strength | MPa | 1310 | 1210 |
| Minimum elongation at fracture | % | 1.5 | 1.5 |
| Minimum conductivity @20°C | %IACS | 20 | 20 |
| Minimum number of twisting | – | 20 | 20 |
| Minimum thickness of aluminium | mm | 0.175 | 0.200 |
AKZ Catalogue 2026
This product’s catalogue — PDF · A4 · 6 pages
Process film
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