Brass Current-Carrying Lugs & Custom-Shaped Busbars - Flat, U-type, Z-type, L-type, Bent & Formed Variants

Common Sizes (Range Overview)

Component Type Thickness (mm) Width (mm) Hole Dia (mm) Cable/Current Rating
Flat Busbar 2 to 10 10 to 50 4 to 12 50A - 400A
L / U / Z Shaped Busbar 3 to 8 12 to 40 6 to 10 75A - 300A
Bent Battery Lugs 25mm2 to 120mm2 N/A 6 to 12 100A - 350A
Twin Hole Lugs 2 × Ø6 to Ø10 Up to 30mm 10 to 20 apart For secure bolting in EV packs
Custom Formed Links As per design As per design 4 to 12 Based on cross-section area

Materials

  • High Conductivity Brass (CW614N / CW617N / CuZn37)
  • Optional: Silver-bearing Brass or CuCrZr Alloy for DC applications
  • Lead-Free Brass for RoHS and EV safety compliance

Thread / Mounting Types

  • Plain Holes (For bolt mounting)
  • Threaded Holes (M4 - M12, as per application)
  • Crimp-type Cable Entry for Lugs
  • Weldable Tabs or Integrated Studs (Optional)

Protection Rating

  • IP65 to IP68 - When used within sealed enclosures
  • Resistant to high mechanical stress and thermal expansion
  • Short-circuit and vibration-proof when installed with proper insulators

Surface Finish Options

  • Tin Plated (Standard - Best for soldering and low resistance)
  • Nickel Plated (Enhanced corrosion resistance)
  • Silver Plated (Optional for high-current EV modules)
  • Natural Brass (For enclosed OEM assemblies)

Features

  • CNC Cut & Bent - Precision shapes for compact layouts
  • Custom Hole Patterns and Threading Options
  • Multilayer Busbars with Insulation (Optional with epoxy coating)
  • Excellent Conductivity & Low Heat Rise
  • Ideal for High Vibration Environments - No loosening or arcing
  • Ready-to-assemble kits available with insulators and mounting hardware

Application Areas in EV Sector

  • EV Battery Packs - Interconnection between cells & modules
  • Power Control Units (PCUs) - Shaped lugs and multi-port terminals
  • EV Motor Controllers - Custom-bent current lugs
  • Energy Storage Systems - Compact busbar distribution
  • Charging Infrastructure - Incoming and outgoing terminals
  • DC-DC Converters - High-efficiency, low-loss distribution links
Brass Current-Carrying Lugs & Busbars
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