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Preformed Suspension Clamps (SCL) (1).jpg
Preformed Suspension Clamps (SCL) (2).jpg
Preformed Suspension Clamps (SCL) (3).jpg

Preformed Suspension Clamps (SCL) - High-Quality Solutions from China Suppliers & Factory for Ultra-High Voltage Lines

Purpose

,

Preformed suspension clamps, manufactured by leading China suppliers and factories, offer superior functionality similar to traditional suspension clamps. These clamps are essential for suspending conductors and ground wires on transmission towers. Their unique design effectively manages guard wires and significantly reduces corona discharge due to a smooth outer profile. This makes them particularly ideal for ultra-high-voltage lines (≥220 kV) and long-span crossings over rivers, as well as for large-angle transmission towers (30–60°) when used for support points.

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These innovative preformed suspension clamps utilize specially designed preformed suspension sets and guard wires. They effectively mitigate both static and dynamic stresses at support points, thereby protecting conductors and ground wires from wind-induced effects. Additionally, they provide protection for guard wires against impact and electrical abrasion in support areas. As a comprehensive suspension assembly solution from reliable China suppliers and factories, preformed suspension clamps safeguard conductors against bending stress, compressive stress, and abrasion, ensuring reliable performance in demanding environments.

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    Product Details

    Steel Core Aluminum Conductor with Preformed Suspension Clamp Model and Specifications

    Company Product Model Industry Standard Model (GB/T 1179-83) Min. Conductor Dia. (mm) Max. Conductor Dia. (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
    #
    Applicable conductor model
    This table only includes partial products. For other specifications, please contact the company.

    Frequently Asked Questions (FAQ)

    What is a preformed suspension clamp?

    A preformed suspension clamp is a specialized hardware component used to secure and hang steel core aluminum conductors (ACSR) to suspension insulators on overhead power lines. It helps distribute stress evenly and protects the conductor from mechanical damage and vibration.

    How do I interpret the model codes like "CL-150/8"?

    In the model nomenclature, "C" stands for Suspension Clamp, "L" stands for Preformed Spiral Type, and the numbers represent the cross-sectional area of the applicable conductor (e.g., 150 mm² aluminum area and 8 mm² steel core area).

    Why do preformed suspension clamps have color codes?

    Color codes are applied to the clamps to ensure easy and error-free identification of size specifications during installation. Different colors correspond directly to specific conductor diameter ranges.

    What does the vertical breaking strength indicate?

    The vertical breaking strength (measured in kN, e.g., 66kN or 111kN) represents the maximum vertical load capacity the suspension clamp can endure before failing. Choosing the correct strength grade is critical for line safety under environmental loads like wind and ice.

    Are custom sizes available if my conductor diameter is not listed?

    Yes. The specifications table lists our standard models. If your project uses non-standard conductor diameters or unique specifications, please contact our support team directly to request custom configurations.

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