Copper-Aluminum Composites
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Premium High-Voltage Custom Insulated Copper Busbars
Product Specifications
Name： High-Voltage Insulated Custom Busbar
Standard： IEC 61439, UL 508A, ASTM B187 (Copper Base), RoHS Compliant, REACH Compliant
Material： C11000 Pure Copper or Aluminum Base with High-Voltage Insulation (PVC / Epoxy / Silicone)
Surface： Precision Machined Copper/Aluminum + Uniform Insulation Coating
Width： 20mm – 300mm
Thickness： 3mm – 20mm
Length： 500mm – 6000mm (fully custom shapes, bends, and hole patterns available)
Product Features:
High-voltage insulation for safe operation up to 35kV · Excellent electrical conductivity with low resistance · Superior mechanical strength and vibration resistance · Custom design for perfect fit in compact cabinets · Outstanding thermal dissipation and corrosion resistance · Easy installation with pre-formed bends and holes · Long service life in harsh industrial environments
Application Field:
Medium and high-voltage switchgear cabinets, New energy vehicle battery packs and inverters, Power distribution panels and MCCs, Renewable energy substations, Industrial automation control systems, Data center high-power rails, Railway and marine electrical equipment -
Custom Double-Sided Copper Aluminum Composite Plates
Product Specifications
Name： Double-Sided Copper-Clad Aluminum Cu-Al-Cu Sandwich Plate
Standard： ASTM B432 (Cladding), ASTM B209 / B152, RoHS Compliant, REACH Compliant
Material： C11000 Pure Copper Layer (both sides) + High-Purity Aluminum Core (e.g., 1050 or 6063)
Surface： Mill Finish or Tin-Plated, Optional Protective Film
Thickness： 3mm – 30mm (Copper Layer 0.5-5mm per side)
Width： 300mm – 1500mm
Length： 1000mm – 6000mm (custom cut-to-length available)
Product Features:
Combines copper’s superior conductivity on both surfaces with aluminum’s lightweight advantage · Strong, permanent metallurgical bond with no delamination · Excellent corrosion resistance and long-term reliability · Cost-effective alternative to solid copper plates · Good thermal dissipation and mechanical strength · Easy to machine, bend, and install · Stable performance under vibration and thermal cycling
Application Field:
New energy vehicle battery packs and power distribution, Industrial switchgear and control panels, Renewable energy inverters and storage systems, Data center power rails, Transformer and generator bus systems, Marine and offshore electrical equipment -
High-Conductivity Custom Copper-Aluminum Transition Joints
Product Specifications
Name： Custom Copper-Aluminum Transition Joint (Cu-Al Bimetallic Joint)
Standard： ASTM B432 (Cladding), IEC 61238, RoHS Compliant, REACH Compliant
Material： C11000 Pure Copper Layer + High-Purity Aluminum Base (e.g., 1050 or 6063)
Surface： Precision Machined, Optional Tin-Plated
Diameter / Width： 10mm – 150mm (custom)
Length： 50mm – 500mm (custom)
Product Features:
Combines copper’s superior conductivity with aluminum’s lightweight advantage · Strong, permanent metallurgical bond with no delamination · Excellent corrosion resistance and long-term reliability · Low contact resistance and efficient heat dissipation · Cost-effective alternative to solid copper · Easy to weld or bolt in place · Stable performance under vibration and thermal cycling
Application Field:
New energy vehicle battery packs, Power distribution panels and switchgear, Renewable energy inverters and storage systems, Data center power rails, Transformer and generator connections, Industrial control cabinets, Marine and offshore electrical equipment -
High-Conductivity Copper-Aluminum Bimetallic Washers
Product Specifications
Name： Copper-Aluminum Bimetallic Washer (Bimetal Cu-Al Washer)
Standard： ASTM B432 (Cladding), ASTM B152 / B209, RoHS Compliant, REACH Compliant
Material： C11000 Pure Copper Layer Clad on High-Purity Aluminum Base
Surface： Smooth, Precision Stamped, Optional Tin-Plated
Inner Diameter (ID)： 6mm – 100mm
Outer Diameter (OD)： 12mm – 200mm
Thickness： 1mm – 10mm
Product Features:
Combines copper’s superior conductivity with aluminum’s lightweight advantage · Strong metallurgical bond with no delamination · Excellent corrosion resistance and long-term reliability · Cost-effective alternative to solid copper washers · High mechanical strength and dimensional stability · Good thermal dissipation · Reliable in vibration and thermal cycling
Application Field:
New energy vehicle battery packs and connections, Power distribution panels and switchgear, Industrial control cabinets, Renewable energy inverters and storage systems, Data center power rails, Transformer and generator connections, Marine and offshore electrical equipment -
High-Conductivity Copper-Inlaid Aluminum Busbars
Product Specifications
Name： Copper-Inlaid Aluminum Busbar (Hybrid Copper Clad Aluminum Busbar)
Standard： ASTM B187 / B152 (Copper Layer), GB/T 5585 (Aluminum Base), RoHS Compliant, REACH Compliant
Material： High-Purity Aluminum Base with Embedded C11000 Pure Copper Strip
Surface： Mill Finish or Tin-Plated, Optional Pre-Drilled Holes
Width： 20mm – 300mm
Thickness： 3mm – 20mm
Length： 1000mm – 6000mm (custom cut-to-length available)
Product Features:
Combines aluminum’s lightweight advantage with copper’s superior conductivity · Excellent corrosion resistance and long-term reliability · High mechanical strength with good flexibility · Low contact resistance and efficient heat dissipation · Cost-effective alternative to full copper busbars · Easy to bend and install in compact spaces · Stable performance under vibration and thermal cycling
Application Field:
New energy vehicle battery packs and power distribution, Industrial switchgear and control panels, Renewable energy inverters and storage systems, Data center power rails, High-current electrical connections, Transformer and generator bus systems, Marine and offshore electrical equipment