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High-Purity Hard Copper Busbar for PV Systems | Grounding Copper Bar from China Suppliers & Factory

This high-quality hard copper busbar is specifically designed for photovoltaic (PV) power systems, making it an essential component sourced from reliable China suppliers and factories. Constructed from high-purity rigid copper, it acts as the fundamental conductive and grounding element for solar panel arrays, combiner boxes, inverters, and power distribution cabinets, Offering exceptional electrical conductivity, dependable earthing performance, and outstanding corrosion resistance, this busbar ensures safe, stable, and efficient power transmission along with circuit protection for both on-grid and off-grid solar projects, We provide custom processing and a variety of surface treatments to accommodate different PV installation needs, making our busbars a top choice among industry professionals in China

    Solar Power Hard Copper Busbar | Grounding Copper Bar for Photovoltaic System Distribution
    Technical Specifications
    Item Specification
    Material T2 / C11000 High Purity Copper (≥99.99%)
    Conductivity ≥97% IACS
    Resistivity (20℃) 0.01724 Ω·mm²/m
    Product Type Hard Copper Busbar / Grounding Copper Bar
    Thickness 2mm / 3mm / 4mm / 5mm / 6mm / 8mm / 10mm (Custom)
    Width 10mm – 200mm (Custom)
    Length Max 6000mm (Custom)
    Surface Treatment Bare Copper / Tin Plating / Nickel Plating / Silver Plating
    Processing Cutting, Drilling, Bending, Deburring
    Working Temperature -45℃ ~ +130℃
    Application Photovoltaic System, Solar Power Distribution, Equipment Earthing
    Main Applications
    Solar panel array power connection
    PV combiner boxes and junction boxes
    Solar inverter and converter internal wiring
    Photovoltaic power distribution cabinets
    System grounding & earthing for solar power stations
    Off-grid / On-grid solar energy systems
    Outdoor solar power projects and solar charging systems
    Our Advantages
    Reliable Earthing & Conductivity Strict quality testing for conductivity and grounding performance, fully compliant with PV industry standards.
    Full Customization Custom size, shape, hole position and surface finish according to your drawings and site conditions. OEM & ODM are welcome.
    Strict Quality Control Each batch is inspected for dimension, surface treatment and mechanical property before shipment.
    Diversified Shipping Methods Support sea freight, air freight and international express to deliver goods to destinations worldwide on time.
    Fast Delivery Sample delivery: 3-5 working days; Mass order: 7-15 working days. Urgent orders are acceptable.
    Packaging & Trade Terms
    • Packaging Anti-rust paper + bubble film + export carton / wooden box, moisture-proof and damage-proof for long-distance transportation.
    • MOQ 100 pcs, small trial orders are negotiable.
    • Trade Terms EXW, FOB, CFR, CIF, DDP
    Frequently Asked Questions

    What material is used for the solar power copper busbars?

    We use T2 / C11000 high purity copper (≥99.99%) ensuring exceptional conductivity of ≥97% IACS and low resistivity for optimal performance in photovoltaic installations.

    Can I customize the dimensions and configurations of the grounding copper bar?

    Yes, we support full customization. You can customize the thickness (2mm to 10mm), width (10mm to 200mm), length (up to 6000mm), as well as specific hole drillings, bending angles, and shapes based on your engineering drawings.

    What surface treatments are available for the copper busbars?

    We offer Bare Copper, Tin Plating, Nickel Plating, and Silver Plating. These surface finishes enhance corrosion resistance, prevent oxidation, and ensure stable electrical contact in outdoor solar environments.

    What is your typical lead time for samples and mass orders?

    Sample delivery typically takes 3-5 working days. For mass production orders, the standard lead time is 7-15 working days. We also accommodate urgent orders depending on your project schedule.

    What are your minimum order quantity (MOQ) and accepted trade terms?

    Our standard MOQ is 100 pieces, but we are open to negotiating smaller trial orders. We support multiple trade terms including EXW, FOB, CFR, CIF, and DDP to match your logistics preferences.

    How are the busbars packaged to prevent damage during shipping?

    We pack the products using anti-rust paper and bubble film, then place them in sturdy export cartons or wooden boxes. This moisture-proof and damage-proof packaging ensures safe long-distance sea, air, or express transit.