China Copper Foil Flexible Busbar for Welding Power Supply - High-Quality Suppliers from Trusted Factory
Product Features
High Purity Raw Material
Adopt 99.95% high purity T2 red copper foil, low internal resistance, small power loss, stable current transmission.
Super Large Current Capacity
Suitable for instantaneous heavy current impact of welding equipment, strong overload resistance, low temperature rise during long-term operation.
Excellent Shockproof & Flexible
Flexible bending design, buffer equipment operation vibration, avoid hard row fracture and terminal sparking loosening.
Various Surface Treatments
Available in bare copper, tin-plated, silver-plated, anti-oxidation, anti-arc, extend service life.
Safe Insulation Protection
Outer covered with high temperature resistant silicone sheath / flame retardant heat shrinkable tube, anti-short circuit, anti-oil and anti-corrosion.
Easy Installation & Customizable
Arbitrary bending layout, reserved mounting holes, support non-standard size, thickness, hole position customized production.
Technical Parameters
- Material: T2 Pure Copper Foil
- Single Foil Thickness: 0.05mm / 0.1mm / 0.2mm / 0.3mm
- Surface Finish: Bare Copper / Tin Plated / Silver Plated
- Rated Current Range: 200A – 5000A
- Insulation Material: High Temp Silicone / PVC Heat Shrink Tube
- Working Temperature: -30℃ ~ +180℃
- Advantage: Vibration proof, low impedance, high heat dissipation
- Certification: RoHS, CE, Environmental Protection Compliance
Main Application Scope
- Medium frequency inverter spot welding machine, DC arc welding machine, gas shielded welding machine
- Welding transformer inlet and outlet large current flexible connection
- IGBT, thyristor rectifier module internal circuit connection
- Water-cooled welding power supply transition conductive connection
- Industrial welding equipment vibration avoidance displacement compensation connection
- Welding host high-current main circuit busbar connection
Why Choose Us
- Professional factory production, fully automatic lamination welding process, stable product quality
- Rich experience in supporting welding power industry, familiar with equipment matching parameters
- Fast sample delivery, mass production short lead time, support OEM & ODM
- Reasonable price, direct factory sales, cost-effective industrial matching accessories
Packing & Shipment
Package: Neutral carton packing + foam anti-collision protection
Logistics: Support sea freight, air freight, express delivery, meet global customer delivery demand.
Frequently Asked Questions
Q
What copper material is used in the flexible busbar?
Our flexible busbars are made from 99.95% high purity T2 red copper foil, ensuring extremely low internal resistance, minimal power loss, and stable long-term current transmission performance.
Q
What current ratings are available for welding power supply applications?
Our copper foil flexible busbars support a rated current range of 200A to 5000A, making them suitable for a wide variety of welding equipment from small inverter spot welders to large industrial welding power supplies.
Q
Can the busbar be customized in size, thickness, or hole position?
Yes. We support full customization including non-standard lengths, widths, single foil thickness (0.05mm / 0.1mm / 0.2mm / 0.3mm), hole positions, and surface treatments. OEM & ODM orders are both welcomed.
Q
What surface treatment options are available?
We offer bare copper, tin-plated, and silver-plated surface finishes, as well as anti-oxidation and anti-arc treatments. Each option is designed to extend service life and improve conductivity under different operating environments.
Q
What insulation materials are used, and what temperature range is supported?
The busbar is insulated with high temperature resistant silicone sheath or flame retardant PVC heat shrink tubing. The product supports a working temperature range of -30℃ to +180℃, suitable for demanding industrial environments.
Q
What shipping methods are supported for international orders?
We support sea freight, air freight, and express delivery to meet global customer requirements. All products are packed in neutral cartons with foam anti-collision protection to ensure safe arrival.