Copper Busbar
The Copper-Busbar products have two types, including Copper Bar and Copper Rod. Our production processes have achieved internationally leading standards. Welcome you to learn more.
Why choose us
Our Certificate
ISO9001, ISO14001, ISO45001, IATF16949. UL, CMA, SGS.
Sales Market
We export our products to over 20 countries around the world. These include the United States, countries in Europe, and nations in Southeast Asia.
Our service
Before shipment: Laboratory Test and Bulk Inspection.
Copper Busbar
A copper busbar is a conductor, typically made from pure copper or a copper alloy, with a cross-section that’s usually rectangular, but can also be round or custom-shaped. In electrical engineering, its primary role is to serve as a current carrier and busbar, used for transmitting and distributing large currents.
Technical Parameters
|
Brand |
Composition & Physical Properties |
||||||||
|
GB |
JIS |
ASTM |
Cu |
Fe |
Pb |
Sn |
O |
P |
Zn |
|
T1 |
C1020 |
C10200 |
＞99.95% |
- |
- |
- |
- |
- |
- |
|
T2 |
C1100 |
C11000 |
＞99.90% |
- |
- |
- |
- |
- |
- |
|
Characteristics/Physical Performance |
|||||||||
|
Spec |
SG(g/cm) |
CTE(20-300℃) |
Thermal conductivity(20℃) |
%IACS(20℃) |
Micro.cm(20state) |
J/g/℃ |
KN/mm² |
||
|
GB |
JIS |
ASTM |
|||||||
|
T1 |
C1020 |
C10200 |
8.90 |
16.9 |
386.4 |
100 |
1.77 |
385 |
117 |
|
T2 |
C1100 |
C11000 |
8.90 |
16.9 |
386.4 |
97 |
1.77 |
385 |
117 |
|
Spec |
Status |
Tensile(N/mm2) |
Elongation% |
Hardness HV |
Curvature |
||||
|
GB |
JIS |
ASTM |
Angle |
Radius |
|||||
|
T1 |
C1020 |
C10200 |
O |
≥ 195 |
≥ 20 |
- |
180° |
0 T |
|
|
1/4H |
215-285 |
≥15 |
55-100 |
180° |
0.5 T |
||||
|
1/2H |
235-315 |
≥ 10 |
75-120 |
180° |
1.0 T |
||||
|
H |
≥ 275 |
- |
≥80 |
180° |
1.5 T |
||||
|
T2 |
C1100 |
C11000 |
O |
≥ 195 |
≥ 20 |
- |
180° |
0 T |
|
|
1/4H |
215-285 |
≥15 |
55-100 |
180° |
0.5 T |
||||
|
1/2H |
235-315 |
≥ 10 |
75-120 |
180° |
1.0 T |
||||
|
H |
≥ 275 |
- |
≥80 |
180° |
1.5 T |
||||
|
Copper Bar Busbar |
Width |
Thickness |
Length |
||||||
|
Size |
25mm - 300mm |
2mm - 80mm |
1m - 6.0m |
||||||
Benefits of Using Copper Busbars
Using copper busbars comes with several advantages:
High Electrical Conductivity
Copper has a superior conductivity rating, making it an ideal material for busbars in electrical applications. This allows for the efficient transfer of electrical current with minimal resistance.
Excellent Thermal Performance
Copper busbars efficiently dissipate heat, reducing the risk of overheating and enhancing safety. This is crucial for preventing power losses and maintaining system reliability.
Compact and Space-Saving
Unlike traditional wiring, copper busbars occupy less space while delivering superior electrical performance. Their streamlined design reduces clutter and allows for easier integration into electrical panels and switchgear.
Durability and Corrosion Resistance
Copper is naturally resistant to oxidation and corrosion, ensuring longevity in harsh environments. This makes copper busbars suitable for outdoor and industrial applications where exposure to moisture and contaminants is a concern.
Reduced Power Losses
With minimal resistance, copper busbars enhance energy efficiency and reduce transmission losses. This ensures that power is delivered effectively without excessive heat generation, improving overall system performance.
Easy Installation and Maintenance
Copper busbars simplify electrical setups, making them easier to install and maintain compared to cable-based systems. Their rigid structure allows for quick assembly, and they require fewer connection points, reducing potential failure risks.
Customizable for Various Applications
Copper busbars can be customized in terms of size, shape, and coating to meet specific electrical and mechanical requirements. This flexibility allows them to be used in a variety of applications, from small electronic devices to large-scale power distribution networks.
Enhanced Safety and Reliability
Copper busbars reduce the number of connection points, minimizing the risk of loose connections, short circuits, and electrical faults. This increases the overall safety and reliability of the electrical system.
Eco-Friendly and Sustainable
Copper is a recyclable material, making copper busbars an environmentally friendly option. Recycling copper reduces the demand for raw materials and lowers the environmental impact of manufacturing.
Transmitting high current: Copper’s excellent conductivity allows it to efficiently transmit large currents, minimizing energy loss.
Current distribution and collection: In power distribution equipment, busbars distribute current from a main power source to various branches or collect current from multiple sources into one point.
Voltage stabilization
Due to its superior conductivity, it effectively reduces voltage drop, ensuring stable voltage.
Connecting electrical components
It acts as an internal connection bus within electrical equipment, linking various components (like circuit breakers, contactors, transformers, etc.).
Heat dissipation
Copper itself has good thermal conductivity, which helps dissipate heat generated during current transmission.
Manufacturing Process
Stages:
Material selection
Selecting high-purity pure copper.
01
Tube processing
Copper tubes are produced by drawing or extrusion.
02
Welding joints
Tube sections are welded together to form a copper tube busbar of the desired length.
03
Quality inspection
Checking technical parameters such as diameter, thickness, and surface smoothness.
04
Quality standards
Copper tube busbars must meet international and industry standards for conductivity, mechanical strength, heat resistance, etc.
05
One of the most critical aspects of copper busbars is their current carrying capacity. Several factors influence this capacity, including:
• The cross-sectional area of the busbar.
• Operating temperature and environment.
• Insulation and cooling mechanisms.
• Voltage levels and load requirements.
FAQ
We're well-known as one of the leading copper busbar manufacturers and suppliers in China. Please feel free to wholesale high quality copper busbar from our factory. For customized service, contact us now.