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24 Cores Central AL-covered Stainless Steel Tube OPGW Cable
Model:OPGW-24B1-120 [110;90]
24 Cores Central AL-covered Stainless Steel Tube OPGW 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-24B1-120 [110;90]
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Product Description
24 Cores Central AL-covered Stainless Steel Tube OPGW 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) |
| Optical fiber | G.652 | 24 |
|
| Central | ACS(40%IACS) | 1 | 2.9 |
| First layer | ACS(40%IACS) | 5 | 2.9 |
| Stainless Steel Tube | 1 | 2.8 | |
| Second layer | ACS(23%IACS) | 4 | 2.9 |
| ACS(27%IACS) | 8 | 2.9 |
| No | Item | Unit | Technical Parameter |
| 1 | Overall diameter | mm | 14.5 |
| 2 | Fiber attenuation | 1310nm（dB/km） | ≤0.35 |
| 3 | Weight (including grease) | 1550nm（dB/km） | ≤0.21 |
| kg/km | 690 | ||
| 4 | Cross sectional | mm² | 118.9 |
| Area of ACS | mm² | 118.9 | |
| 5 | External layer direction | - | Left |
|
6 7 |
Rated Tensile Strength（RTS） | kN | 110.0 |
| E-Modulus | GPa | 131.7 | |
| 8 | Coefficient of linear Expansion | ×10-6/℃ | 13.8 |
| 9 | DC-Resistance (At 20 ℃) | Ω/km | 0.485 |
| 10 | Short current ( 1s ,40℃～200℃) | kA | 9.48 |
| 11 | Short current capacity ( 1s ,40℃～200℃) | kA².S | 90 |
| 12 | Max allowed temperature | ℃ | 200 |
| 13 | Maximum allowable tension (40%RTS ) | kN | 44.00 |
| 14 | Everyday stress (25%RTS) | kN | 27.50 |
| 15 | Minimum bending diameter | Operating：mm | 15D |
| Installation：mm | 20D | ||
| 16 | Temperature | Installation：℃ | -10~50 |
| Trans and Operation：℃ | -40~80 | ||
| Note: The above size data are nominal values |
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Application
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