24 Cores OPGW Optical Cable
Model:OPGW-24B1-70[72;28]
24 Cores OPGW Optical Cable, also known as optical fiber composite overhead ground wire, is a dual-function optical cable that can not only perform the task of ground wire, but also provide a path for transmitting voice, video or data signals. Fiber optic cables are designed to be installed on power transmission and distribution lines. Optical fibers are protected from environmental conditions (lightning, short circuits, loads) to ensure reliable signal transmission.
Model:OPGW-24B1-70[72;28]
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Product Description
24 Cores OPGW Optical Cable
OPGW optical cable structure is mainly composed of optical fiber unit (stainless steel tube, aluminum-clad stainless steel tube) and metal monofilament (aluminum-clad steel, aluminum alloy) peripheral reinforcing ribs. There are 4 types of OPGW cables: ACS (Aluminum Clad Stainless Steel Tube), Stranded Tube, Center Tube and ACP (Aluminum Clad PBT).
Features
● Small cable diameter, light weight, low additional load to the tower;
● The steel tube locates at the center of the cable, no second mechanical fatigue damage.
● Low resistance to side pressure, torsion and tensile (single layer).
Product Parameter (Specification)
| Structural parameters | Material | No. | Diameter (mm) |
| Center | Light Unit | 1 | 3.8 |
| 1st layer | ACS（27%IACS） | 6 | 3.8 |
| No | Item | Unit | Technical Parameter |
| 1 | Fiber type | / | G.652 |
| 2 | Fiber core number | Cores | 24 |
| 3 | Attenuation characteristics | 1310nm（dB/km） | ≤ 0.35 |
| 1550nm（dB/km） | ≤ 0.21 | ||
| 4 | Outermost stranding direction | / | Right |
| 5 | Optical cable outer diameter | mm | 11.4 |
| 6 | Weight per unit length of optical cable | kg/km | 435 |
| 7 | Total section | mm² | 68.05 |
| Aluminum clad steel wire cross-sectional area | mm² | 68.05 | |
| 8 | Breaking force UTS | kN | 72.0 |
| 9 | Elastic Modulus | GPa | 140 |
| 10 | Linear expansion coefficient | ×10-6/℃ | 13.4 |
| 11 | DC resistance at 20℃ | Ω/km | 0.96 |
| 12 | Short circuit current (1s ,40℃～200℃) | kA | 5.29 |
| 13 | Allowable short-circuit current capacity (1s, 40℃～200℃) | kA²•S | 28.0 |
| 14 | Maximum allowable temperature | ℃ | 200 |
| 15 | Maximum allowable pulling force (40%RTS) | kN | 25.20 |
| 16 | Annual average running tension (25%RTS) | kN | 15.75 |
| 17 | Minimum allowable bending radius | Run: mm | 15D |
| Construction: mm | 20D | ||
| 18 | Storage and installation temperature | Storage temperature（℃） | -40～+80 |
| Installation temperature（℃） | -10～+50 | ||
| Note: The above size data are nominal values |
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Application
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