A copper bar flexible connector uses a soft-hard lap-welded structure that combines a flexible, laminated copper mid-section with rigid terminal ends, addressing both electrical and mechanical demands in one component.
- Skin-effect mitigation: the laminated flexible section helps relieve the skin effect that concentrates current near the conductor surface during high-frequency or high-current operation, improving overall current distribution.
- Hybrid structure: rigid terminal ends provide a stable, low-resistance bolting surface, while the flexible middle section absorbs movement between the two connection points.
- Weld quality: the transition welds joining the flexible section to the solid terminals are engineered to maintain low contact resistance while still allowing the assembly to flex under mechanical load.
- Thermal cycling resistance: the connection does not loosen or deform under repeated thermal cycling, since the weld and lamination design accommodate expansion and contraction without transferring stress to the bolted joints.
- Stability and safety balance: this design balances long-term dimensional stability with operating safety, an important combination for connections that must carry heavy current without shifting position over years of service.
- Application fit: well suited to connections between switchgear, transformers, and busbar systems that must carry heavy current while tolerating small amounts of relative movement.
By pairing a flexible conductive body with rigid, weld-secured terminals, this copper bar flexible connector delivers dependable high-current performance in installations where both electrical stability and mechanical compliance are required at the same connection point.
Weld integrity at the transition between the flexible section and rigid terminals is inspected on every unit, since this junction is the most critical point for both electrical and mechanical performance. Custom terminal hole patterns, bar widths, and overall lengths can be produced to match specific busbar and switchgear layouts, supporting both standardized product lines and application-specific connection designs. Technical drawings detailing terminal dimensions, weld locations, and flexible-section length are available on request, helping engineering teams confirm fit before the connector is specified into a project.
Jiangsu Penglong Electric Engineering Co., Ltd. is a specialized manufacturer integrating R&D, design, and production of power transmission components, high-current conductor systems, and industrial electrical connection products.
With extensive industry experience, the company specializes in high-current conductive connections, copper-aluminum transition solutions, transformer components, and industrial furnace conductor systems. Supported by a complete manufacturing system and modern equipment, Penglong offers customized and large-scale production.
Its products are widely used in transformers, industrial furnaces, electrolysis equipment, switchgear, and power distribution systems. Main products include busbars, conductive rods, copper-aluminum connectors, terminals, flexible connectors, water-cooled cables, and other custom conductive components.
English
