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BRIDGOLD Rigid Copper Busbar Insulated with Epoxy Spray Coating
BRIDGOLD Rigid Copper Busbar Insulated with Epoxy Spray Coating
BRIDGOLD Rigid Copper Busbar Insulated with Epoxy Spray Coating
BRIDGOLD Rigid Copper Busbar Insulated with Epoxy Spray Coating
BRIDGOLD Rigid Copper Busbar Insulated with Epoxy Spray Coating
BRIDGOLD Rigid Copper Busbar Insulated with Epoxy Spray Coating

China Supplier Rigid Copper Busbar with Epoxy Spray Coating - High Performance Factory-Direct Insulation Solutions

The epoxy spray coated rigid copper busbar from our factory in China features a highly durable epoxy insulation layer with a thickness of 0.4-0.7mm and a UL94-V0 flame retardant rating. Available in standard colors such as black, red, and orange, this innovative spray insulation method ensures strong structural integrity and an aesthetically pleasing finish. With exceptional wear resistance and a compact installation footprint, our busbars are ideal for a variety of non-standard specifications. The insulation layer is meticulously applied, ensuring tight adhesion without any wrinkles, bubbles, or pinholes—even in bends. This product provides excellent conductivity for both standard and non-standard connections in power, automotive, and mechanical applications. As leading suppliers in the industry, we also offer customization options based on your specific drawings.
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    Product Details

    Product Advantages (Epoxy Spray Coated Busbar)

    High Conductivity Copper

    C11000/C10100 copper with ≥98% IACS, low heat and energy loss.

    High-Quality Epoxy Insulation

    Thickness 0.4-0.7mm (adjustable), UL94 V-0 flame retardant (self-extinguishing).

    Uniform Spray Surface

    Epoxy spray process ensures consistent thickness, smooth finish, no runs or particles, stable quality.

    Strong Integrity

    Insulation layer tightly adheres to copper; no wrinkles, bubbles, or pinholes even at bends or complex shapes.

    Attractive & Wear-Resistant

    High-gloss surface, scratch-resistant, no fading or peeling over time.

    Space-Saving

    Thin compact insulation (0.4-0.7mm) – much thinner than dip coating or heat shrink, ideal for high-density layouts.

    Flexible Customization

    Suitable for standard and non-standard busbars; any color available (black/red/orange...).

    Product Display

    Rigid Copper Busbar Insulated with Epoxy Spray Coating (1)
    Rigid Copper Busbar Insulated with Epoxy Spray Coating (2)
    Rigid Copper Busbar Insulated with Epoxy Spray Coating (3)

    Operating Conditions

    Temperature Range: -40℃ to +130℃ (epoxy outperforms PVC)
    Relative Humidity: ≤95% non-condensing
    Flame Rating: UL94 V-0
    Applications: Distribution cabinets, VFDs, EV battery packs, energy storage, industrial chargers, outdoor equipment (epoxy has good weather resistance).
    Dielectric Strength: Based on thickness 0.4-0.7mm and epoxy dielectric strength (approx. 20-30kV/mm), withstand voltage reaches 8000V to 20000V (AC/DC for 1 minute). Reports available upon request.

    Maintenance Instructions

    Check bolt torque and insulation surface for scratches or damage every 6 months.
    Clean with dry soft cloth or mild neutral cleaner; avoid strong acids/alkalis and organic solvents (e.g., acetone, xylene) that may attack epoxy.
    Avoid prolonged exposure above 130℃. No special protection needed outdoors – epoxy offers good UV resistance.

    Service Life

    Designed service life ≥25 years. Epoxy coating provides excellent aging resistance, chemical resistance, and heat resistance.

    After-Sales Service

    Free Technical Support: Engineering consultation, drawings...
    Custom Orders: Lead time & quality report provided before shipment.

    Contact Us

    Zhejiang Bridgold Copper Tech Co., Ltd. is a professional leader China copper braided shunt, copper braided ground strap, copper braided connector, Copper Braided Busbar, rigid copper busbars manufacturers and suppliers with high quality and low price. Welcome to contact us.

    Frequently Asked Questions (FAQ)

    Q: What is the insulation thickness and withstand voltage of the epoxy spray coated busbar?
    The epoxy insulation thickness is typically 0.4-0.7mm (customizable). With an epoxy dielectric strength of approx. 20-30kV/mm, the withstand voltage reaches 8,000V to 20,000V (AC/DC for 1 minute).
    Q: What are the primary operating temperature and flame retardancy ratings?
    The busbar operates reliably within a temperature range of -40℃ to +130℃ and complies with the UL94 V-0 flame retardant rating (self-extinguishing).
    Q: In which applications is the epoxy coated rigid copper busbar commonly used?
    It is widely used in power distribution cabinets, variable frequency drives (VFDs), electric vehicle (EV) battery packs, energy storage systems, industrial chargers, and outdoor electrical equipment.
    Q: How does epoxy spray coating compare to traditional heat shrink or dip coating?
    Epoxy spray coating provides a much thinner and more uniform insulation layer (0.4-0.7mm) with excellent adhesion around complex bends, preventing wrinkles, bubbles, or pinholes and saving significant space in high-density installations.
    Q: What is the expected service life and maintenance requirement?
    The designed service life is ≥25 years. Routine maintenance requires checking bolt torques and inspecting the insulation surface every 6 months, and cleaning with a dry cloth or mild neutral cleaner.
    Q: Are custom geometries and coating colors available?
    Yes, full customization is supported for standard and non-standard busbar configurations, with technical drawings support and various insulation colors including black, red, and orange.