Low Voltage BusBar
Products Description
Low Voltage BusBars are metallic conductors used for current conduction and distribution, primarily made of high-purity T2 oxygen-free copper or TU1 copper.
Through precision rolling, punching, bending, plating, and surface treatment processes, they are manufactured into copper busbars of various shapes and sizes for use in electrical equipment to achieve low-loss connections.
Typical structural features:
High material purity: Copper content ≥99.9%, ensuring low resistivity and high conductivity;
Uniform surface treatment: Tin plating, silver plating, or nickel plating can be applied upon request to enhance oxidation resistance and contact reliability.
Flexible size customization: Supports designs with thicknesses from 1mm to 20mm and widths from 10mm to 200mm;
Excellent mechanical strength: Precise control of bending radius and punching position ensures installation stability and structural safety.
Product Advantages and Highlights
| Superior Conductivity |
Using high-purity T2 copper as the conductor material, it boasts excellent conductivity (up to 58 MS/m), with resistance more than 30% lower than aluminum busbars. This high conductivity means that under the same current conditions, BusBar High Voltages generate less heat and suffer less energy loss, thus extending the lifespan of electrical equipment and improving overall system energy efficiency. |
| Excellent Mechanical and Thermal Stability |
Copper's high ductility and strong creep resistance ensure that the busbar maintains stable mechanical properties during long-term operation and frequent switching. Under temperature changes or short-term overloads, the Bus Bar Connectors are less prone to deformation, cracking, or contact stress attenuation, effectively ensuring connection reliability. |
| Corrosion and Oxidation Resistance |
The surface plating employs electroplating tin/silver/nickel and other protective technologies, maintaining stable conductive contact in humid, high-temperature, and salt spray environments, significantly extending service life. Simultaneously, the tin plating layer reduces contact resistance, prevents oxide film formation, and improves the stability of current transmission. |
| Precision Machining and Consistency Control |
Busbar Fabrication production utilizes CNC stamping, precision bending, and automated plating processes. Each step undergoes rigorous dimensional inspection and surface finish testing. This high consistency ensures high assembly compatibility across different batches, reducing on-site commissioning and rework costs. |
| Modular and Customizable Design |
Customization is available based on customer design drawings or current ratings: Straight, folded, L-shaped, U-shaped, and Z-shaped High Voltage Bus Bar structures; Single-layer or multi-layer stacked structures; Special requirements such as pre-drilled bolt holes, welding ends, and insulation coating layers. Modular customization helps customers quickly match different system requirements, achieving standardized and flexible production. |
Materials Advantages
| Material Type | Characteristics | Application Scenarios |
| T2 Copper | High conductivity, good ductility | Standard low-voltage systems |
| TU1 Oxygen-Free Copper | Extremely low oxygen content, fatigue-resistant | High-reliability control cabinets |
| Tin-plated Copper | Corrosion-resistant, strong weldability | Humid environments, energy storage equipment |
| Silver-plated Copper | Better conductivity, high-temperature oxidation resistance | High-end electrical control and new energy systems |
Application Areas and Engineering Value
| Power and Distribution Systems |
Custom Bus Bars are used for high-current distribution and connection in low-voltage switchgear, power distribution equipment, and busbar systems. Their high conductivity and mechanical strength ensure low loss and high stability during long-term operation. |
| Industrial Automation Control |
Used in frequency converters, PLC control cabinets, and industrial robot power modules to achieve low-resistance connections and high-response control. High-precision battery bus bar layout effectively reduces EMI interference and improves signal stability. |
| Energy Storage and New Energy Applications |
In Battery Storage Systems (BESS) and new energy battery packs (ESS), copper bus bar for sale connect cell modules, inverters, and control systems. Their excellent conductivity and corrosion resistance make them a reliable current path in the energy storage field. |
| Electric Vehicles and Charging Infrastructure |
Used for internal connections in new energy vehicle power battery packs, electronic control systems, and fast charging piles. Silver-plated or tin-plated copper busbars maintain stable contact and low impedance even under high current and high temperature environments. |
| Communication and Data Center Equipment | In UPS, server racks, and high-power rectifier systems, silver plated copper bus bars serve as the main conductive path, ensuring efficient power distribution and safe equipment operation. |
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