Automotive High Voltage Shielded Wire High voltage shielded wire is a critical component in modern automotive electrical systems, particularly in electric vehicles (EVs) and hybrid electric vehicles (HEVs). These wires are designed to safely transmit high-voltage electricity while minimizing electromagnetic interference (EMI) and ensuring durability in harsh automotive environments. Key Features 1. High Voltage Capacity Automotive high voltage shielded wires are engineered to handle voltages typically ranging from 60V to 1000V or higher, depending on the application. They must comply with stringent industry standards (such as ISO 6722, LV 216, or SAE J1128) to ensure safety and reliability. 2. Shielding for EMI Protection To prevent electromagnetic interference, these wires incorporate shielding layers, such as braided copper, aluminum foil, or conductive polymers. This shielding reduces noise that could disrupt sensitive electronic components like battery management systems (BMS), inverters, and onboard chargers. 3. Robust Insulation Materials The insulation is made from high-performance materials like cross-linked polyethylene (XLPE), silicone rubber, or fluoropolymers (e.g., PTFE). These materials provide excellent thermal resistance (withstanding temperatures from -40°C to 150°C or higher), chemical resistance, and mechanical strength. 4. Flexibility and Durability Automotive environments demand wires that can withstand vibrations, abrasion, and bending. High voltage shielded wires are designed with stranded conductors for flexibility and reinforced jacketing to resist wear and tear. 5. Safety and Compliance These wires must meet flame-retardant and halogen-free standards to minimize fire risks and toxic emissions. Additionally, they often feature color-coding (e.g., orange) for easy identification and compliance with automotive safety regulations. Applications High voltage shielded wires are used in: - Battery packs and traction systems - Motor and inverter connections - Fast-charging systems - Power distribution units (PDUs) Conclusion As the automotive industry shifts toward electrification, high voltage shielded wires play a vital role in ensuring efficient, safe, and reliable power transmission. Their advanced shielding, insulation, and durability make them indispensable in next-generation vehicle architectures.