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Power Connections

Busbars

Busbars (bus bars) are integral to power distribution and serve numerous industries including automotive, industrial, and aerospace. Busbars are metal bars that can be composed of numerous alloys but are most commonly copper or aluminum. Typical busbar applications include switchgear, panel boards, power invertors, powered electronics, and high-voltage battery packs.

Eaton offers numerous busbar manufacturing technologies, ensuring the right busbar for every application. Our primary manufacturing processes include progressive stamping, Computer Numerical Control (CNC) bending and our RigiFlex™ technology that delivers flexible solutions. We specialize in both low- and high-volume product mix and can provide prototypes to support development activities.

Our busbars can be combined with fasteners of all shapes and sizes but when combined with our HPLB (High-Power Lock Box) terminal we can eliminate all loose fasteners and provide a self-aligning, quick connect solution.

All busbars undergo rigorous validation per customer requirements. Most, if not all testing, can be completed internally. When busbar insulation is required, we can offer heat shrink, over molding, powder coating, and plastic enclosures. End-of-line (EOL) testing can also be performed prior to shipment.

Características principais

  • Consistent over-molding incorporated into busbar manufacturing processes
  • Available in copper and aluminum
  • Robust vibration resistance
  • Multiple widths and thickness available
  • High degree of flexibility
  • Custom laminate profiles possible

Secondary features

  • Post-operations available: ultrasonic, laser and tig welding
  • Multiple insolation types available
  • Insulation powder coating
  • Hi-pot and dielectric strength confirmation
    Insulation
Copper and aluminum.
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Metal bars used to carry current.
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Busbars are used when package space is limited.  Busbars are typically wider than cables but offer reduced height.
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Insulation can be required to prevent electrical shock and short circuit between other busbars.
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Provide space savings as compared to traditional round cable. Busbars can also enable automated assembly.
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Busbars are available in both rigid and flexible forms. Solid busbars are rigid. Flexible busbars can be comprised of laminates stacked on one another or by adding braided cable segments to rigid busbars.
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Busbars can be insulated per application requirements. There are numerous types of insulation available in the market today: heat shrink, tape, epoxy or powder coating, plastic over mold and plastic enclosures. Insulation provides touch protection for (electrical shock) and isolation protection between components (short circuit).
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By completing the electrical circuit via point-to-point connections.
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By providing insulation barrier which isolates the busbar.
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•Powered Electronics (Motor inverters, DCDC converter)

•Power Distribution & Protection (BDU – Battery Disconnect Unit, PDC – Power Distribution Center)

•HV Battery Packs

•Anywhere cables are used/needed

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