Mass & length
Part mass = kg/m × length; account for metal ratio, section and cutting loss.
Cu-Al Composite Conductors
Cu-Al Composite Busbars & Transition Parts
CU-AL · CORE PRODUCT LINE
Cu-Al composite busbars, single-/double-sided clad sheets and bars, formed insulated conductors and transition parts. Review copper layout, contacts, processing, temperature rise and environment together; equal cross-section alone does not justify replacing copper.
Product formsCu-Al Composite Conductors
Connections & processingCu-Al Composite Conductors
Current referencesCu-Al Composite Conductors
RFQ inputsCu-Al Composite Conductors
Product forms
Product forms
Single-/double-sided clad sheets and bars, selective copper layouts, bent/punched busbars, shaped insulated conductors and transition parts. Confirm metal grades, layers and dimensions by drawing.
| Product forms | RFQ inputs |
|---|---|
| Product forms | Single-/double-sided clad sheets and bars, selective copper layouts, bent/punched busbars, shaped insulated conductors and transition parts. Confirm metal grades, layers and dimensions by drawing. |
| Connections & processing | Define metal grades, layer thickness and copper contact locations; Review bend radius, holes, cut edges and interface condition; Define validation for bolted, welded or transition connections; Specify finish, edge protection, insulation and thermal acceptance |
| Current references | Reference currents support preliminary selection. Validate rated current against copper ratio, length, ambient conditions, installation, joints and cooling. |
| RFQ inputs | Provide drawings, width/thickness/length, copper layout, voltage, continuous/peak current, allowable rise, ambient and orientation, joints, insulation/finish, volume and validation requirements. A source row is a reference, not a project rating. |
Connections & processing
Connections & processing
01
Define metal grades, layer thickness and copper contact locations
02
Review bend radius, holes, cut edges and interface condition
03
Define validation for bolted, welded or transition connections
04
Specify finish, edge protection, insulation and thermal acceptance
Applications
Applications
Applications 01
Distribution & switchgear
Cabinet buswork and Cu-Al transitions; validate spacing, supports, insulation and joint heating.
Applications 02
Energy storage & renewables
High-current links reviewed against continuous/peak loads, environment and maintenance.
Applications 03
Power electronics & bus systems
Compare materials and joints against space, voltage drop and installation requirements.
51 · CURRENT REFERENCES
Current references
Reference currents support preliminary selection. Validate rated current against copper ratio, length, ambient conditions, installation, joints and cooling.
ΔT is the rise above ambient temperature. A size may have different reference records; select the applicable record.
51 records
| Source row | Size mm | Copper kg/m | Composite kg/m | ΔT 60K · A | Source label | RFQ inputs |
|---|---|---|---|---|---|---|
| 1 | 15×3 | 0.401 | 0.177 | Not provided in source | Not provided in source | RFQ with this record → |
| 2 | 20×3 | 0.534 | 0.236 | Not provided in source | Not provided in source | RFQ with this record → |
| 3 | 25×3 | 0.668 | 0.296 | Not provided in source | Not provided in source | RFQ with this record → |
| 4 | 30×3 | 0.801 | 0.355 | 370 | 自测 | RFQ with this record → |
| 5 | 40×3 | 1.068 | 0.473 | 438 | 天传所 | RFQ with this record → |
| 6 | 25×4 | 0.890 | 0.394 | 381 | 自测 | RFQ with this record → |
| 7 | 30×4 | 1.068 | 0.473 | 391 | 自测 | RFQ with this record → |
| 8 | 40×4 | 1.424 | 0.630 | 513 | 自测 | RFQ with this record → |
| 9 | 50×4 | 1.780 | 0.788 | 642 | 自测 | RFQ with this record → |
| 10 | 20×5 | 0.890 | 0.394 | 356 | 自测 | RFQ with this record → |
| 11 | 25×5 | 1.113 | 0.493 | 438 | 自测 | RFQ with this record → |
| 12 | 30×5 | 1.335 | 0.591 | 491 | 自测 | RFQ with this record → |
| 13 | 40×5 | 1.780 | 0.788 | 665 | 天传所 | RFQ with this record → |
| 14 | 50×5 | 2.225 | 0.985 | 681 | 自测 | RFQ with this record → |
| 15 | 60×5 | 2.670 | 1.182 | 812 | 自测 | RFQ with this record → |
| 16 | 80×5 | 3.560 | 1.576 | 1066 | 自测 | RFQ with this record → |
| 17 | 100×5 | 4.450 | 1.970 | 1274 | 自测 | RFQ with this record → |
| 18 | 25×6 | 1.335 | 0.591 | 451 | 自测 | RFQ with this record → |
| 19 | 30×6 | 1.602 | 0.709 | 482 | 自测 | RFQ with this record → |
| 20 | 40×6 | 2.136 | 0.946 | 640 | 自测 | RFQ with this record → |
| 21 | 50×6 | 2.670 | 1.182 | 757 | 自测 | RFQ with this record → |
| 22 | 60×6 | 3.204 | 1.418 | 988 | 天传所 | RFQ with this record → |
| 23 | 80×6 | 4.272 | 1.891 | 1204 | 上科电 | RFQ with this record → |
| 24 | 100×6 | 5.340 | 2.364 | 1387 | 自测 | RFQ with this record → |
| 25 | 120×6 | 6.408 | 2.837 | 1682 | 自测 | RFQ with this record → |
| 26 | 25×8 | 1.780 | 0.788 | 591 | 自测 | RFQ with this record → |
| 27 | 30×8 | 2.136 | 0.946 | 673 | 自测 | RFQ with this record → |
| 28 | 40×8 | 2.848 | 1.261 | 792 | 自测 | RFQ with this record → |
| 29 | 50×8 | 3.560 | 1.576 | 958 | 自测 | RFQ with this record → |
| 30 | 60×8 | 4.272 | 1.891 | 1153 | 上科电 | RFQ with this record → |
| 31 | 80×8 | 5.696 | 2.522 | 1425 | 天传所 | RFQ with this record → |
| 32 | 100×8 | 7.120 | 3.152 | 1796 | 天传所 | RFQ with this record → |
| 33 | 100×8 | 7.120 | 3.152 | 1825 | 上科电 | RFQ with this record → |
| 34 | 120×8 | 8.544 | 3.782 | 1927 | 自测 | RFQ with this record → |
| 35 | 25×10 | 2.225 | 0.985 | 661 | 自测 | RFQ with this record → |
| 36 | 30×10 | 2.670 | 1.182 | 744 | 自测 | RFQ with this record → |
| 37 | 40×10 | 3.560 | 1.576 | 945 | 自测 | RFQ with this record → |
| 38 | 50×10 | 4.450 | 1.970 | 1073 | 自测 | RFQ with this record → |
| 39 | 60×10 | 5.340 | 2.364 | 1251 | 自测 | RFQ with this record → |
| 40 | 80×10 | 7.120 | 3.152 | 1576 | 天传所 | RFQ with this record → |
| 41 | 100×10 | 8.900 | 3.940 | 1923 | 天传所 | RFQ with this record → |
| 42 | 120×10 | 10.680 | 4.728 | 2214 | 上科电 | RFQ with this record → |
| 43 | 125×10 | 11.125 | 4.925 | 2330 | 自测 | RFQ with this record → |
| 44 | 30×12 | 3.204 | 1.418 | 848 | 自测 | RFQ with this record → |
| 45 | 40×12 | 4.272 | 1.891 | 980 | 自测 | RFQ with this record → |
| 46 | 50×12 | 5.340 | 2.364 | 1225 | 自测 | RFQ with this record → |
| 47 | 60×12 | 6.408 | 2.837 | 1367 | 自测 | RFQ with this record → |
| 48 | 80×12 | 8.544 | 3.782 | 1820 | 自测 | RFQ with this record → |
| 49 | 100×12 | 10.680 | 4.728 | 2000 | 自测 | RFQ with this record → |
| 50 | 120×12 | 12.816 | 5.674 | 2470 | 自测 | RFQ with this record → |
| 51 | 125×12 | 13.350 | 5.910 | 2505 | 自测 | RFQ with this record → |
PROJECT COST REVIEW
Cost comparison
Compare mass, materials, processing, insulation and assembly under equivalent functional, current and acceptance requirements. Calculate each project against drawings, volume and delivery needs.
Materials
Mass × project-confirmed unit cost; record date, tax/freight basis and volume.
Processing
Compare slitting, punching, bending, machining, joining and inspection separately.
Insulation & protection
Include insulation, coating, finish, edge sealing and environmental validation.
Assembly & lifecycle
Include fasteners, installation, thermal validation, maintenance and failure risk. Calculate against project requirements.
FAQ
Engineering & Selection FAQ
QHow should different Cu-Al joining processes be compared?
Compare materials, metal ratio, interface structure, processing and test methods under equivalent conditions. A process name alone does not establish superior reliability.
QCan the same size replace a copper busbar directly?
Review space, temperature rise, voltage drop, contact area, mechanical support and environment. Specimen results are not ratings for every size. Calculate mass and cost changes for the actual project.
QDoes a bonded interface eliminate corrosion?
No zero-corrosion guarantee follows from bonding. Evaluate dissimilar-metal contacts, cut edges, seals and electrolyte paths, then test representative assemblies and repeat electrical measurements.
RFQ inputs
Provide drawings, width/thickness/length, copper layout, voltage, continuous/peak current, allowable rise, ambient and orientation, joints, insulation/finish, volume and validation requirements. A source row is a reference, not a project rating.