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China Suppliers Factory Rigid Copper Busbar with PVC Dip Coating for Power and Automotive Applications

Introducing Bridgold’s rigid copper busbar, expertly crafted from C11000 or C10100 high-conductivity copper. These premier busbars are ideal for standard and non-standard connections in various sectors including power, automotive, and mechanical equipment. Manufactured in China, our products stand out for their exceptional conductivity and robust performance in demanding environments, such as those with high fire protection needs, significant load fluctuations, and elevated humidity levels. Our busbars come with a PVC dip coating insulation that features a thickness ranging from 0.5mm to 1.5mm, ensuring compliance with the UL94 V-0 flame retardant rating. Available in a range of colors, including black, red, and orange, the coating guarantees not only strong integrity but also an attractive appearance while offering high wear resistance. Designed to save space, these busbars maintain their quality and performance even at bends, ensuring no wrinkles, bubbles, or pinholes occur. As a leading factory and supplier in the market, we offer fully customizable solutions tailored to your specifications. Experience the reliability and efficiency of Bridgold’s copper busbars for your next project.

    Product Advantages (PVC Dip Coating)

    High conductivity copper: C11000 or C10100 copper with ≥98% IACS, low heat generation and energy loss.

    High-quality PVC dip insulation: Coating thickness 0.5-1.5mm, UL94 V-0 flame retardant rating for safety.

    Low cost & batch friendly: Simple and efficient dip coating process, low material cost, ideal for mass production and non-standard shapes.

    Appearance & wear resistance: Smooth, attractive surface with strong adhesion; highly wear-resistant and long-lasting.

    Defect-free forming: No wrinkles, bubbles, or pinholes even at bends or complex geometries.

    Space saving: Thin insulation layer occupies minimal installation space, perfect for compact equipment.

    Custom colors: Standard black, red, orange; other colors available upon request for phase identification.

    Product Display

    Operating Conditions

    Temperature range: -25℃ to +105℃ (suitable for PVC dip coating)
    Relative humidity: ≤95% non-condensing
    Applications: Hard connections inside distribution cabinets, transformers, VFDs, EV battery packs, industrial chargers, etc.
    Flame rating: UL94 V-0 (self-extinguishing)
    Dielectric strength: Depending on coating thickness (0.5–3.0mm), the withstand voltage ranges from 2500V to 5000V (AC/DC for 1 minute). Values can be verified upon customer request.

    Maintenance & Service Life

    Designed service life ≥20 years under rated current and environmental conditions.

    Recommended torque and insulation check every 6 months.

    For dip-coated or PI film insulated busbars, clean with dry lint-free cloth; avoid organic solvents.

    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 grade of copper is used for PVC dip-coated busbars?

    We utilize high-grade C11000 or C10100 copper with electrical conductivity ≥98% IACS, ensuring minimal electrical loss and low operating heat generation.

    Q What is the flame retardant rating and dielectric strength of the insulation?

    The PVC dip insulation complies with the UL94 V-0 self-extinguishing flame retardant rating. Depending on the coating thickness (0.5–3.0mm), withstand voltages range from 2500V to 5000V AC/DC for 1 minute.

    Q Can the PVC dip coating be customized in different colors?

    Yes, standard colors include black, red, and orange. Custom colors are available upon request to facilitate phase identification and system layout.

    Q What are the typical operating temperatures and environments?

    The dip coating operates reliably across temperatures from -25℃ to +105℃ and relative humidity up to 95% non-condensing, suitable for EV battery packs, switchgear, and VFDs.

    Q How should PVC dip-coated copper busbars be maintained?

    With an expected design life of ≥20 years, we recommend a torque check and visual insulation inspection every 6 months. Clean surfaces with a dry lint-free cloth and avoid organic solvents.

    Q Do you provide custom design and engineering drawings?

    Yes, we provide free engineering consultations, custom 2D/3D drawing development, and full quality/test reports prior to shipment.