Durable Copper Earth Bars for Electrical Grounding

Short Description:

Product Specifications
Name： Copper Grounding Busbar
Standard： ASTM B187 / B152, UNS C11000, RoHS Compliant, REACH Compliant
Material： C11000 (Electrolytic Tough Pitch Copper, ≥99.9% Cu)
Surface： Bare Copper, Optional Tin-Plated for Enhanced Corrosion Resistance
Width： 20mm – 300mm
Thickness： 3mm – 20mm
Length： 1000mm – 4000mm (custom lengths and pre-drilled holes available)
Product Features: Exceptional electrical conductivity for low-resistance grounding · Superior corrosion resistance and long-term reliability · High mechanical strength with good flexibility · Easy installation with pre-drilled mounting holes · Low voltage drop and excellent thermal performance · Compatible with various connectors and lugs · Environmentally stable in harsh conditions
Application Field: Electrical switchgear and control panels, Data centers and server rooms, Power distribution systems, Renewable energy installations (solar/wind), Industrial grounding networks, Telecommunications infrastructure, Railway and subway systems, Building lightning protection, Marine and offshore equipment

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Copper Grounding Busbar – Process & Quality Assurance Statement
Our copper grounding busbars are manufactured to provide safe, efficient earthing solutions with minimal resistance and maximum durability in critical electrical systems.

Key process features

Production emphasizes high-purity copper and precise fabrication for optimal performance:
●Material Selection: Only certified high-conductivity copper is used, with purity verified before processing.
●Hot Rolling: Ingots are rolled into flat bars, achieving uniform thickness and dense grain structure.
●Cold Finishing: Additional passes refine surface smoothness and final dimensions.
●Hole Drilling & Cutting: Precision CNC punching or drilling adds mounting holes; bars are cut to exact lengths with clean edges.
●Optional Tin Plating: Electroplating applies a uniform tin layer for superior oxidation and corrosion protection.
●Surface Cleaning: Thorough degreasing and inspection ensure clean, ready-to-install bars.
●Packaging: Bars are protected with interleaving paper and sturdy bundling to prevent damage during global shipping.

Quality control system

● Full traceability from raw copper lot to finished busbar
● Material test reports including conductivity and composition provided with every shipment
● Sample retention ≥3 years for third-party verification (SGS, BV, TÜV, etc.)
● 100% inspection of essential parameters:
• Chemical purity (optical emission spectrometry)
• Electrical conductivity (typically >100% IACS)
• Dimensional accuracy (micrometers and hole position gauges; typical tolerance ±0.5mm)
• Surface quality and plating thickness (where applicable; X-ray fluorescence)
• Mechanical strength (bend and tensile testing on samples)
● Internal standards exceed ASTM B187 requirements. Typical C11000 properties: Conductivity >101% IACS, Excellent flexibility without cracking, Proven long-term stability in grounding applications.
● ISO 9001:2015 certified production ensures every copper grounding busbar delivers the safety, efficiency, and reliability demanded by modern electrical installations.