Powder Coated Bus Bar Copper
Products Description
Powder Coated bus bar coppers are not simply an upgrade of traditional busbars, but a solid-state insulation solution designed for the "never-ending power supply" inherent in uninterruptible power supply (UPS) systems. Their core components are T2 copper conductors optimised through grain boundary engineering and a thermosetting epoxy resin insulation layer formed in one step through electrostatic spraying. These two elements form a dual anchoring structure at the interface, combining chemical bonding and mechanical nesting. Unlike the "flexible coating" logic of PVC dip coating, the epoxy coating exists as a "rigid armor": the coating thickness exhibits an intelligent gradient in bending and connection areas-thickening to 0.5mm at stress concentration points to resist installation torque, and thinning to 0.3mm in straight sections to enhance heat radiation efficiency-this asymmetrical design stems from a deep understanding of the data center lifecycle: installation stress is an instantaneous peak, while thermal management is a continuous accumulation.
Core Properties and Features of the Product
Conductor Core Characteristics
Utilising high-purity electrolytic copper as the base material, Electric Vehicle Busbar Coating possesses excellent conductivity and current-carrying capacity, adapting to the high-frequency charging and discharging requirements of UPS uninterruptible power supplies and the continuous operation of servers.
Coating Protection Characteristics
The epoxy powder coating is formed through electrostatic powder spraying and high-temperature curing, resulting in a dense and uniform coating free of pinholes, bubbles, and other defects.
Structural Adaptability
The product features a compact structural design, allowing for customisation in cross-sectional specifications, lengths, and bending angles to suit the internal space dimensions of UPS power modules and server chassis.
Operating Condition Adaptability
It possesses excellent temperature stability, operating stably in environments ranging from -20℃ to 120℃, making it suitable for the constant temperature environments of data centre server rooms and the heat dissipation requirements of industrial UPS equipment.
Core Technological Features, Building a Differentiated Competitive Advantage
| Precision Copper Conductor Forming Technology | Utilizing a cold-working forming process, compared to traditional hot working, can maximize the preservation of copper's excellent conductivity while improving the conductor's dimensional accuracy and surface finish. Through customized mold design and process parameter optimization, it can achieve the forming of conductors with complex cross-sectional shapes and irregular structures, adapting to the personalized structural requirements of different brands of UPS power supplies and servers. |
| Precise Electrostatic Powder Coating Control Technology | Our independently developed electrostatic powder coating control system can precisely control the amount and uniformity of powder coating. By adjusting parameters such as electrostatic voltage and powder coating distance, Powder Coated bus bar copper ensures uniform coating thickness with an error controlled within ±0.02mm. |
| High-Temperature Curing Technology for Epoxy Coating | Employing a gradient heating and isothermal curing process ensures complete curing of the epoxy powder, forming a dense and uniform insulating coating. Precise control of curing temperature and time enhances the coating's hardness, abrasion resistance, and insulation properties, while preventing defects such as cracking and blistering caused by rapid heating, ensuring consistent coating quality. |
| Electromagnetic Compatibility Optimization Technology | Combining the electromagnetic environment requirements of UPS power supplies and servers, electromagnetic shielding optimization structures are incorporated into the product design. |
Material Advantages
Conductor - High-purity T2 copper: We insist on using electrolytic copper that meets international standards. Its excellent electrical and thermal conductivity is the foundation for the efficient operation of the entire system. Connectors can be tin-plated, silver-plated, or nickel-plated according to customer needs to optimise contact resistance and prevent oxidation.
Insulation Layer - Specially modified epoxy powder: We collaborate with leading global chemical companies to develop a customised epoxy powder formula. Busbar Coating Powders is not ordinary industrial powder but optimised for electrical applications:
High thermal conductivity: Special thermally conductive fillers are added, significantly improving heat transfer efficiency.
High dielectric strength: An optimised resin system ensures superior insulation performance.
Environmental protection and safety: 100% solids content, solvent-free, zero VOC emissions during production, compliant with RoHS and other environmental directives.
FAQ
What is a powder-coated copper busbar?
A powder-coated copper busbar is a copper conductor covered with an epoxy powder insulation layer through electrostatic spraying and curing processes.
What applications use epoxy-insulated copper busbars?
They are commonly used in UPS systems, data centers, battery energy storage systems, industrial cabinets, and high-current power distribution equipment.
Can the coating thickness be customized?
Yes. The insulation thickness can be adjusted according to voltage level, installation environment, and customer requirements.
Can the copper busbar shape be customized?
Yes. Width, thickness, bending structure, drilling pattern, and terminal design can be customized according to engineering drawings.
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