Laminated Bus Bar Design Checklist

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Rather than use one solid bar of copper, the industry prefers laminated bus bars.

These are fabricated components with layers of engineered copper bars separated by flat dielectric materials, bound together into a unified construction.

Laminated bus bars offer several advantages including:

  • Bus Bars Lower Impedance
  • Bus Bars Improve Reliability
  • Bus Bars Eliminate Wiring Errors
  • Bus Bars Fabrication Allows Flexibility
  • Laminated Bus Bars Increase Capacitance
  • Bus Bars Lower Inductance & System Costs
  • Bus Bars Reduce System Costs
  • Bus Bars Provide Denser Packaging
  • Bus Bars Improve Thermal Characteristics                     
  • Bus Bars Provide Wider Variety of Interconnection Methods

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Project Name


Power (kw)

Part Number

Conductor Material

Voltage: Rated Voltage

Peak Voltage

Peak Voltage Duration (seconds)

Partial Discharge Voltage

Over Voltage Level

Current: Rated Current (A)

Peak Current (A)

Peak Current Duration (seconds)

Insulation: Withstand Voltage Test (V)

Resistance Test (Ω)

Working Altitude (m)

Working Temperature (°C)

Working Withstand temperature (°C)

Environmental Pollution Level

Distance Clearance Distance(mm)

Distance Creep-age distance(mm)

Cooling method, Wind speed

Common Information Required For Standard Busbars



Type of insulation

Colour of Insulation

Type of the tube: i.e. shrinkable or silicone

Voltage: example: breakdown voltage or operational voltage -- 1000~10kv

example: Raychem or Changyuan tube

Color of the tube

Flame retardant request--UL 94 V0

Thickness of the tube--from 5mm~25mm

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