Laminated Copper Busbar Copper Foils Connector For Switchgear
Products Description
Laminated Copper Busbar Copper Foils Connector for Switchgear are integrated conductive connection components specifically designed for medium and high voltage switchgear, low voltage distribution cabinets, ring main units, and other power control equipment. Their core design logic utilizes a composite structure of "multi-layer high-purity copper foil lamination + precise contact connection + integrated insulation protection" to organically integrate busbar conduction with equipment terminal connections, solving the core pain points of traditional switchgear such as "large copper busbar connection volume, uneven contact resistance, weak arc resistance, and poor spatial adaptability." In terms of product nature, this connector is a customized conductive component specifically for switchgear, combining the high conductivity and current-sharing characteristics of a laminated structure with the flexible adaptability of copper foil. Its structural design must be matched to the rated current, voltage level, internal installation space, and switching frequency of the switchgear.
Key Product Features: Precisely Matches the Harsh Operating Conditions of Switchgear
Laminated Copper Foil Current Equalization Structure
Utilizing multi-layer high-purity copper foil lamination, the conductive path is flattened, ensuring uniform current conduction between the Flexible multilayer busbars. This effectively reduces the skin effect and avoids the risk of overheating caused by localized current concentration during switchgear switching.
01
Arc Breakdown Protection
Contact areas undergo special plating treatment, combined with an anti-arc design in the insulation layer, resisting arc erosion generated during switchgear switching. This reduces oxidation damage to connection points caused by arcs, improving the operational safety of the switchgear.
02
Compact Space Adaptability
The laminated structure thickness can be precisely controlled, with a minimum thickness of only 3mm. Compared to traditional copper busbar connections, this saves over 50% of installation space, perfectly fitting the compact internal layout of switchgear and leaving more installation leeway for other components.
03
Mechanical vibration and fatigue resistance
The copper foil layers are cured with a special adhesive, combining flexibility and rigidity. This allows Welding Multilayer Flexible Bus Bar Connector to withstand the mechanical vibrations and thermal expansion and contraction stresses generated by frequent switching operations of the switchgear, preventing loosening or breakage at the connection points and extending service life.
04
Rapid positioning and assembly
Integrating precise positioning pins and standardised mounting holes, along with a modular design, enables rapid alignment and assembly with switchgear Laminated Flexible Insulated Copper Busbar, reducing on-site commissioning time and improving equipment assembly efficiency.
05
Manufacturing Advantages and Production Processes: The Art of Precision Lamination
| Foil Pre-treatment | Each copper foil undergoes chemical cleaning and micro-etching before entering the production line to remove surface oxide layers and oil contaminants, achieving precise surface roughness to maximise interlayer adhesion. |
| Precision Lamination and Positioning | In a Class 1000 cleanroom environment, automated lamination equipment precisely aligns and stacks the copper foil with the prepreg (prepreg). The number of layers and the stacking order are strictly controlled by the program. |
| Vacuum Hot Pressing | This is the core of the process. The stacked "books" are placed in a vacuum hot press, where a precisely controlled temperature, pressure, and time curve is applied while a vacuum is created. The vacuum eliminates all air between layers, preventing bubble formation; the high temperature and pressure cure the resin, firmly "welding" all the foils into a dense whole. |
| 5-Axis CNC Precision Machining | High-precision 5-axis machining centres are used to drill, mill, and contour the laminated blocks, ensuring that the complex 3D shapes and mounting hole positions achieve an accuracy of ±0.02mm. |
| Surface Treatment and Inspection | Surface treatments such as tin plating and silver plating are applied as needed to optimise contact performance and corrosion resistance. Each finished Laminated Cu Busbar Multi-Layer Welding Flexible Copper Bus Bar undergoes rigorous testing, including ultrasonic scanning (to detect internal delamination), dimensional measurement, and surface quality inspection. |
Design Advantages: Solving Pain Points in Switchgear Connections
Precisely Matching Interface Design
Our Bare Copper Multi-Layer Copper Foil Bus Bar features a standardised interface design that perfectly matches the connection terminals of mainstream switchgear on the market. A unique positioning structure ensures quick alignment during installation, avoiding poor contact caused by misalignment in traditional connection methods. This design simplifies the installation process, reducing installation time and costs.
Long-Life, Fatigue-Resistant Design
Switchgear connection points are subjected to repeated mechanical stresses during frequent operation. Our Multilaver Flexible Copper Bus bar for Switchgear, through optimised lamination structure and surface treatment, creates a uniform stress distribution at the connection points, significantly improving fatigue resistance. Compared to traditional connectors, our products exhibit over 60% less performance degradation at the connection points after the same number of operations, greatly extending the lifespan of the switchgear.
Simplified Installation and Maintenance
Traditional switchgear connections often require specialised tools and skilled operation, while our connectors feature a "plug-and-play" design, requiring no special tools and making installation simple and quick. Furthermore, clear labelling and standardised design simplify subsequent maintenance and replacement, significantly reducing equipment maintenance costs and downtime.
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