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China Preformed Suspension Clamps – High-Quality Suppliers & Factory for Ultra-High-Voltage Transmission Lines
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Steel Core Aluminum Conductor with Preformed Suspension Clamp Model and Specifications
| Company Product Model | Industry Standard Model (GB/T 1179-83: LGJ/LGJF Series) | Applicable Conductor Diameter Range - Min. (mm) | Applicable Conductor Diameter Range - Max. (mm) | Reference Cleat Length (mm) | Cleat Weight (kg) | Color Code | Vertical Breaking Strength (kN) | Optional Suspension Loop |
|---|---|---|---|---|---|---|---|---|
| CL-35/6 | CL-35/6 | 8.03 | 8.31 | 660 | 1.1 | Red | 66 | SYB-15-B |
| CL-50/8 | CL-50/8 | 9.53 | 9.88 | 660 | 1.1 | Pink | 66 | SYB-15-B |
| CL-70/10 | CL-70/10 | 11.05 | 11.45 | 914 | 1.1 | Yellow | 66 | SYB-15-B |
| CL-95/15 | CL-95/15 | 13.49 | 14.78 | 1041 | 1.8 | Yellow | 66 | SYB-15-B |
| CL-95/20 | CL-95/20 | 13.79 | 14.1 | 1118 | 1.7 | Black | 66 | SYB-15-B |
| CL-120/7 | CL-120/7 | 14.11 | 14.46 | 1118 | 1.7 | White | 66 | SYB-15-B |
| CL-120/20 | CL-120/20 | 14.57 | 15.14 | 1183 | 1.7 | Brown | 66 | SYB-15-B |
| CL-120/25 | CL-120/25 | 15.42 | 15.7 | 1408 | 1.7 | Purple | 66 | SYB-15-B |
| CL-150/8 | CL-150/8 | 15.75 | 16.39 | 1270 | 1.9 | Red | 66 | SYB-15-B |
| CL-150/25 | CL-150/25 | 16.4 | 17.1 | 1372 | 2.2 | Blue | 66 | SYB-15-B |
| CL-150/35 | CL-150/35 | 17.11 | 17.54 | 1372 | 2.2 | Green | 66 | SYB-15-B |
| CL-185/10 | CL-185/10 | 17.55 | 18.04 | 1372 | 2.2 | Yellow | 66 | SYB-15-B |
| CL-185/30 | CL-185/30 | 18.59 | 19 | 1422 | 2.3 | White | 66 | SYB-15-B |
| CL-210/10 | CL-210/10 | 19.52 | 20.1 | 1524 | 3.1 | Pink | 89 | SYB-26-B |
| CL-210/25 | CL-210/25 | 20.05 | 20.94 | 1549 | 3.2 | Purple | 89 | SYB-26-B |
| CL-210/30 | CL-210/30 | 20.11 | 20.94 | 1549 | 3.2 | Purple | 89 | SYB-26-B |
| CL-240/30 | CL-240/30 | 21.48 | 22.09 | 1626 | 3.3 | Blue | 89 | SYB-26-B |
| CL-240/45 | CL-240/45 | 22.1 | 22.69 | 1651 | 3.4 | Green | 89 | SYB-26-B |
| CL-300/15 | CL-300/15 | 22.7 | 23.05 | 1651 | 3.4 | Green | 89 | SYB-26-B |
| CL-300/20 | CL-300/20 | 23.29 | 23.79 | 1676 | 4 | Black | 89 | SYB-26-B |
| CL-300/25 | CL-300/25 | 23.5 | 24.45 | 1702 | 4 | White | 89 | SYB-26-B |
| CL-300/50 | CL-300/50 | 23.8 | 25.54 | 1733 | 4.4 | Pink | 89 | SYB-26-B |
| CL-300/70 | CL-300/70 | 25.08 | 25.54 | 1733 | 4.4 | Pink | 89 | SYB-26-B |
| CL-400/20 | CL-400/20 | 26.43 | 27.29 | 2083 | 5.9 | Blue | 111 | SYB-25-B |
| CL-400/25 | CL-400/25 | - | - | 2083 | 6.2 | Green | 111 | SYB-25-B |
| CL-400/30 | CL-400/30 | 27.3 | 27.69 | 2083 | 6.2 | Yellow | 111 | SYB-25-B |
| CL-400/50 | CL-400/50 | 27.7 | 28.2 | 2083 | 6.2 | Yellow | 111 | SYB-25-B |
| CL-400/95 | CL-400/95 | 28.88 | 29.46 | 2083 | 6.2 | White | 111 | SYB-25-B |
| CL-500/35 | CL-500/35 | 29.87 | 30.68 | 2083 | 6.5 | Pink | 111 | SYB-25-B |
| CL-500/45 | CL-500/45 | 30.69 | 31.12 | 2235 | 8.3 | Purple | 111 | SYB-25-B |
| CL-630/45 | CL-630/45 | 33.39 | 34.44 | 2235 | 8.3 | Yellow | 111 | SYB-25-B |
| CL-630/55 | CL-630/55 | 34.43 | 35.41 | 2235 | 9.1 | Black | 111 | SYB-25-B |
| CL-800/30 | CL-800/30 | 37.53 | 38.51 | 2235 | 9.7 | Purple | 111 | SYB-25-B |
| CL-800/55 | CL-800/55 | 38.25 | 39.55 | 2235 | 9.7 | Red | 111 | SYB-25-B |
| CL-800/100 | CL-800/100 | 39 | 40 | 2235 | - | - | 111 | SYB-25-B |
Model Number Nomenclature:
- C = Suspension clamp;
- L = Preformed spiral type;
- The numbers = Applicable conductor model.
This table only includes partial products. For other specifications, please contact the company.
Frequently Asked Questions (FAQ)
What does the model code "CL" stand for in suspension clamps?
In our product coding system, "C" represents a Suspension Clamp, and "L" stands for the Preformed Spiral Type. The following numbers indicate the specific applicable conductor model.
How do I choose the correct suspension clamp based on conductor diameter?
You should match the outer diameter of your steel core aluminum conductor with the "Applicable Conductor Diameter Range (Min - Max)" listed in the specification table. Accurate measurement ensures optimal grip and safety.
What is the purpose of the color code on preformed suspension clamps?
The color code is used for quick identification and verification of the clamp size and specifications during installation in the field, helping to prevent installation errors.
What is the maximum vertical breaking strength of these clamps?
Depending on the specific model, the vertical breaking strength ranges from 66 kN for smaller conductors up to 111 kN for heavy-duty models like the CL-800 series.
Can I order custom specifications not listed in the table?
Yes. The table displays only a selection of our standard products. If you require custom sizes, specific cleat lengths, or other specialized parameters, please contact us directly.


















