High-Conductivity Narrow Pure Copper Busbars for Switchgear

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Product Specifications
Name： Finished Narrow Pure Copper Busbar
Standard： ASTM B187 / B152, UNS C11000, RoHS Compliant, REACH Compliant
Material： C11000 (Electrolytic Tough Pitch Copper, ≥99.9% Cu)
Surface： Mill Finish, Optional Pre-Drilled or Edge Chamfered
Width： 10mm – 100mm
Thickness： 3mm – 15mm
Length： 1000mm – 4000mm (custom cut-to-length available)
Product Features: Exceptional electrical conductivity ideal for compact layouts · Efficient heat dissipation in narrow profiles · Superior mechanical strength with good flexibility · Excellent corrosion resistance and long-term reliability · Precise finished edges for safe and easy installation · Low resistance suitable for high-density wiring · Consistent performance in space-constrained environments
Application Field: Medium and low-voltage switchgear cabinets, Compact power distribution panels, Industrial control and automation systems, Data center rack-mounted power rails, Renewable energy compact switch stations, Transformer internal connections, Railway control panels, Marine switchboards, Precision electrical enclosures

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Finished Narrow Pure Copper Busbar – Process & Quality Assurance Statement
Our finished narrow pure copper busbars are tailored for switchgear designs where space is at a premium, offering a slim profile that maintains outstanding current capacity and simplifies routing in densely packed cabinets.

Key process features

Production prioritizes high-purity copper with meticulous finishing for direct, hassle-free integration:
●Copper Rolling: Premium electrolytic copper is processed through controlled hot and cold rolling to produce narrow, uniform flats with excellent surface quality.
●Temper Control: Careful annealing ensures the right balance of hardness and ductility for bending without compromising conductivity.
●Precision Fabrication: Bars are accurately cut to length; edges are chamfered and mounting holes drilled per customer requirements.
●Surface Preparation: Thorough cleaning removes any oxides, providing clean contact surfaces ready for connections.
●Final Leveling: Advanced roller straightening delivers superior flatness essential for narrow applications.
●Inspection & Protection: Each bar is verified before protective interleaving and secure bundling for damage-free delivery.

Quality control system

● Complete traceability from raw copper source to finished narrow busbar
● Test reports detailing conductivity, dimensions, and flatness included with every shipment
● Sample retention ≥3 years for third-party verification (SGS, BV, TÜV, etc.)
● 100% inspection of critical parameters:
• Chemical purity and conductivity (>100% IACS typical)
• Dimensional accuracy (precision gauges; typical tolerance ±0.3mm on width/thickness)
• Surface condition (visual checks for scratches or oxidation)
• Edge quality and hole positioning (where applicable)
• Mechanical integrity (bend testing on samples)
● Internal standards exceed ASTM B187 requirements. Typical C11000 properties: Optimal current density in narrow formats, Excellent thermal management, Reliable operation in confined high-load switchgear setups.
● ISO 9001:2015 certified processes ensure every finished narrow pure copper busbar provides the compact efficiency, conductivity, and dependability your space-optimized switchgear designs require.