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DTL Copper aluminum Wiring Terminals lengthen
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DTL Copper aluminum Wiring Terminals lengthen

We are a source factory specializing in the production of power hardware for 10 years. Different from trading companies, we have our own production lines and core technologies, which enables us to better control costs, quality and delivery times.

    lengthen Copper aluminum Wiring Terminals Dimension table  unit:mm
    Product specification plate thickness (W) plate thickness (S) aperture Hole inner diameter (d) Outer diameter of the hole (D) Length of connecting pipe (L1) Total length (L)
    DTL-10 16.1  3.1  8.1  5.5  10  28.2  64.1 
    DTL-16 16.1  3.05  8.3  6.9  11.1  30.3  69.7 
    DTL-25 18.1  3.4  8.3  7.5  12.1  30.9  73.8 
    DTL-35 20.1  3.9  10.5  8.7  14.2  36.2  83.62 
    DTL-50 23.1  4.2  10.5  10  16.1  37.7  89.4 
    DTL-70 26.1  4.3  12.4  11.7  18.1  42.7  96.5 
    DTL-95 28.1  4.9  12.4  13.9  20.1  48.9  109.58 
    DTL-120 30.1  5.3  14.3  15.6  22.1  51.1  117.5 
    DTL-150 34.1  14.4  16.8  25.1  55.1  121.9 
    DTL-185 37.1  6.4  16.4  18.9  27.1  55.6  131.48 
    DTL-240 40.1  6.7  16.4  21.4  30.1  56.6  138.1 
    DTL-300 45.2  8.5  20.9  23.5  34.1  62.2  158 
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    As a leading manufacturer of high-performance lengthen extend copper-aluminum terminals, we understand that robust packaging is the final, crucial step in guaranteeing product quality and delivering a superior experience to our customers.


    Our packaging solutions are meticulously designed to ensure that our products arrive in perfect condition, ready for immediate use.


    1.    Primary Protection: Inner Packaging

    Each terminal is individually sealed in a high-quality anti-oxidation plastic bag or wrapped in anti-tarnish paper.    This prevents tarnishing, corrosion, and contamination during transit and storage, ensuring optimal surface quality and electrical conductivity.


    For added protection, terminals can be securely held in place within partitioned plastic or foam trays inside the carton, eliminating any movement and preventing abrasion.


    2.    Strong & Informative Outer Cartons

    We use industrial-grade, corrugated cardboard cartons that are durable and crush-resistant, capable of withstanding the rigors of long-distance shipping and handling.

    Each carton is clearly and permanently marked with:Product Specifications (Type, Hole Diameter, Length, etc.) Quantity Our Brand Logo & Contact Information Barcode/QR Code (optional, for easy inventory management)

    3.    Secured Palletization for Bulk Orders

    For large-volume orders, cartons are systematically stacked and securely strapped onto standard wooden pallets.    This ensures stability, facilitates easy and safe handling with forklifts, and optimizes the entire logistics process.


    4.    Clear & Professional Labeling

    Every package features clear, easy-to-read labels.    This minimizes the risk of shipping errors and allows for quick identification of contents in your warehouse, saving you valuable time and effort.

    Customizable Options: We can customize packaging with your company's logo or specific requirements to support your brand.


    In summary, our packaging is not just a box;    it's a reliable delivery system engineered to protect our precision-engineered terminals and add value to your supply chain.

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    As a specialized and leading manufacturer in the industry, we differentiate ourselves through an unwavering commitment to superior materials, precision engineering, and exceptional customer service.    Our core advantages are designed to be your ultimate supply-chain solution.


    1.    Uncompromising Material Excellence & Advanced Craftsmanship

    High-Purity Materials: We use premium, high-conductivity copper and specialized aluminum alloys.    This ensures low resistance, excellent electrical performance, and superior durability in demanding applications.

    Precision Forging & Processing: Our advanced forging and machining techniques create terminals with dense molecular structures, eliminating defects like pores or cracks.    This results in superior mechanical strength and long-term reliability.


    2.    Robust & Customized Product Design

    "Extended" Design Expertise: Our specialty is the "extended" or long-barrel terminal, which provides a larger contact area for crimping.    This design is essential for securing multiple cables, facilitating better heat dissipation, and providing a more robust and reliable connection point.

    Tailored to Your Specs: We are not a one-size-fits-all supplier.    We excel at manufacturing custom terminals based on your exact requirements—specific dimensions, hole sizes, plating (tin, nickel, silver), and special markings.


    3.    Rigorous Quality Control & Industry Compliance

    Full-Process Inspection: Every production batch undergoes strict quality checks, from raw material intake to final packaging.    We monitor critical parameters like dimensions, tensile strength, and electrical conductivity.

    Compliance with International Standards: Our products are manufactured to meet or exceed relevant international standards (such as RoHS, IEC, UL, or GB), guaranteeing their safety and performance in global markets.


    4.    Competitive Manufacturing Power & Reliable Service

    Strong Production Capacity: As a "strength manufacturer," we possess significant manufacturing capabilities to handle large-volume orders and guarantee on-time delivery, making us a reliable partner for your major projects.


    our advantage lies in integrating superior materials, precision engineering, and customer-centric service into every product we deliver.    We don't just sell terminals;    we provide reliable, high-performance connection solutions that build trust and power your success.

    Our custom lengthen extend copper-aluminum terminals are designed to provide reliability where conversion between copper and aluminum conductors is required, high-performance, and safe connection point wherever a transition between copper and aluminum conductors is required.    They are the critical link that ensures electrical integrity in a wide range of demanding applications.


    Primary Application Areas:


    1.    Renewable Energy Systems

    Solar Power Plants: Essential for connecting aluminum-bodied solar panels to copper wiring within junction boxes and combiner boxes.    Our extended design allows for a more secure crimp on multiple cables, handling high currents and resisting loosening due to thermal cycling.

    Wind Turbines: Used in the connection of generators and control systems within the nacelle and tower, where the transition between different conductor materials is common.


    2.    Power Transmission & Distribution (T&D)

    Transformer Connections: Widely used to connect aluminum-wound transformers to copper busbars or cables in substations and electrical cabinets.

    Switchgear and Circuit Breakers: Serve as reliable connection points within switchgear assemblies, ensuring low-resistance and stable connections for optimal protection device performance.

    Overhead Lines and Underground Cabling: Facilitate safe and durable connections in power distribution networks.


    3.    Industrial Electrical & Automation

    Control Panels and PLC Cabinets: Provide organized and secure termination points for control circuits that mix copper and aluminum wiring.

    Heavy Machinery and Motors: Used for connecting power supplies to large industrial motors and equipment, where vibration resistance and high current capacity are crucial.

    Welding Equipment and Large UPS Systems: Handle high inrush currents and continuous loads reliably.


    4.    Transportation Infrastructure

    Railway & Metro Systems: Applied in traction power supplies, signaling systems, and onboard vehicle electrical systems.

    Electric Vehicle (EV) Charging Stations: Critical components inside fast-charging stations for managing high-power connections safely and efficiently.

    Shipbuilding & Aerospace: Used in various power distribution panels and systems onboard vessels and aircraft.


    5.    Construction & Building Services

    High-Rise Building Main Power Risers: Facilitate connections between aluminum service entrance cables and copper distribution panels.

    Data Centers: Ensure impeccable power connections in PDUs (Power Distribution Units) and between backup generators and switchgear, where reliability is paramount.


    Our customized lengthen extend copper-aluminum terminals are a trusted solution for engineers and contractors worldwide

    As a leading manufacturer of copper and aluminum terminal connectors, is committed to the highest standards of quality and safety. Our products are rigorously tested and certified to meet international standards, including ISO 9001 for quality management and IEC 61238-1 for connector performance. We also ensure compliance with RoHS and REACH directives, guaranteeing our products are environmentally responsible.

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