Automotive Electrical Bus Bars
Products Description
This automotive electrical bus bars are composite automotive electrical bus bar, using high-purity copper or a custom alloy as the conductor, covered with high-performance PET insulation paper, and manufactured through multiple composite and molding processes, balancing mechanical strength, electrical safety, and system integration efficiency.
Its structural design emphasizes the following features:
An integral conductive structure, reducing the contact risks associated with multiple connections.
Continuous insulation coating effectively avoids partial discharge and creepage hazards.
Planar or irregularly shaped integral molding, adaptable to different capacitors and modular layout requirements.
Core Product Advantages
Stability Design for New Energy Vehicle Operations
PET insulation material possesses excellent heat resistance, aging resistance, and dielectric stability, making it suitable for operation in new energy vehicles under high temperature, vibration, and long-term load conditions, ensuring reliable performance of the Automotive Ground Bus Bar throughout its entire lifecycle.
Effectively Reduced System Assembly Complexity
Compared to traditional cables or multi-segment connection solutions, Car Battery Bus Bars can achieve multi-circuit integrated connections, reducing assembly steps and human error, and contributing to improved consistency and maintainability of the entire vehicle system.
Balancing Conductivity Efficiency and Insulation Safety
Through reasonable conductor cross-section design and controlled PET insulation layer thickness, the current carrying capacity is guaranteed while meeting the requirements of new energy high-voltage systems for electrical clearances and creepage distances.
Material Advantages: The Perfect Combination of PET and Conductors
Characteristics of PET Insulation Paper: Utilizing electrical-grade PET polyester film, a crystalline polymer. Its regular molecular chain structure endows Auto Bus Bar with excellent mechanical strength (tensile strength more than 3 times that of PVC) and electrical insulation. Furthermore, PET material has excellent flame retardancy (typically reaching UL 94 V-0 rating), does not drip when exposed to fire, and meets the stringent flame retardant requirements of the automotive industry for interior materials.
Conductor Material Selection:
Red Copper/Purple Copper: For high-current transmission requirements, we select high-purity oxygen-free copper to ensure extremely high conductivity (>98% IACS).
Copper Alloy/Brass: For areas requiring high-strength support, we select copper alloys with high hardness and high elasticity.
Surface Treatment: Tin plating is the most economical choice and facilitates soldering; nickel plating offers extremely high corrosion resistance and is suitable for high-temperature environments; silver plating provides the lowest contact resistance.
Verification System: Validation Beyond Standards in Use Cases
1
Simultaneously applying high-frequency pulse voltage, temperature cycling, and mechanical vibration to simulate the most demanding operating conditions in real vehicles for EV BusBar.
2
Immersing samples in common electrolytes under high temperature and pressure to assess long-term compatibility for Automotive Power Connectors.
3
Simulating the dominant stress changes at different stages of vehicle use to assess the material degradation mechanism for the busbar electric vehicle.
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