Bare Rectangular Aluminium Conductor
ISO-AL-BAR-F
CROSS-SECTION & LAYERS
Flat Wires
The core and insulation layers are shown to scale as a representation; refer to the datasheet for exact thickness and tolerance values.
APPLICATIONS
Where Is This Product Used?
The gold area in the scenes shows where the conductor sits in the machine.
Distribution Transformer Manufacturers
In distribution and dry-type transformer coils; with enamel, Nomex and film insulated wires.
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Power Transformer Manufacturers
In LV/HV windings and regulation taps; as paper and film insulated conductor.
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ALSO Dry-type transformer windings
Foil and busbar applications
Reactors
Distribution transformer secondary windings
Product Description
Flat bare aluminium conductor is used as an alternative to copper in winding designs where weight and material cost are decisive. Although about 60% larger cross-section is needed for the same current, the total winding weight drops markedly because aluminium's density is around one third of copper's.
EN AW-1370 grade is the high-purity class defined for electrical-purpose aluminium and provides about 61% IACS conductivity in the annealed condition. In wide sections with higher thickness, EN AW-1350 grade is also supplied. The naturally forming surface oxide layer is thin and stable; at joints this layer must be removed mechanically or chemically.
Produced to ASTM B233. Because of aluminium's creep behaviour, torque control and spring-washer use at bolted joints are an integral part of the design.
Applications
Dry-type transformer windings, foil and busbar applications, reactors, distribution transformer secondary windings.
Related Products
Technical Documentation
| Conductor Material | EN AW-1370 Aluminium (99.7%) |
| Standard | ASTM B233 |
| Conductor Size | 3 – 16 mm |
| Thickness / Grade | 1.00 – 5.60 mm |
| Surface | Soft annealed |
| Product Code | ISO-AL-BAR-F |
| Thermal Class | According to insulation system |
| Build Increase | 1.00 – 5.60 mm |
| Conductor Section | 3.00 – 90.00 mm² |
| Insulation Type | Bare (uninsulated) |
| Winding Type | Reel / drum |
| Test Certificate | EN 10204 3.1 (conductivity + mechanical properties) |
Flat Aluminium Conductor Dimension and Weight Table
| Width b (mm) | Thickness a (mm) | Corner Radius r (mm) | Section (mm²) | Approx. Weight (kg/km) |
|---|---|---|---|---|
| 3.15 | 1.25 | 0.40 | 3.80 | 10.3 |
| 4.00 | 1.60 | 0.50 | 6.19 | 16.7 |
| 5.00 | 2.00 | 0.65 | 9.64 | 26.0 |
| 6.30 | 2.24 | 0.65 | 13.75 | 37.1 |
| 8.00 | 2.50 | 0.80 | 19.45 | 52.5 |
| 10.00 | 3.15 | 0.80 | 30.95 | 83.6 |
| 12.50 | 4.00 | 1.00 | 49.14 | 132.7 |
| 16.00 | 5.00 | 1.25 | 78.66 | 212.4 |
Our Bare Rectangular Aluminium Conductor product is supplied in accordance with internationally accepted manufacturing and inspection standards. Dimensional tolerances, material chemical analysis and mechanical values meet the requirements of the relevant standard.
- Manufacturing standard: ASTM B233
- Conductor material: EN AW-1370 Aluminium (99.7%)
- Thermal class: According to insulation system
- Wall thickness: 1.00 – 5.60 mm
- Diameter range: 3 – 16 mm
- Visual inspection and dimensional control are carried out before shipment.
If your project requires a different standard, you can consult our technical team for alternative products.
On request, the products we supply are shipped together with an EN 10204 3.1 material certificate. Our quality management system and product documents are updated regularly; batch-based traceability is provided.
Communicating your certificate request at the quotation stage speeds up the shipment process.
ISO 9001:2015 Quality Management System
ISO 14001 Environmental Management System
ISO 45001 Occupational Health and Safety Management System
EN 10204 3.1 Material Certificate
IEC 60317 Declaration of Conformity
IATF 16949 Automotive Quality Management System
REACH Declaration of Conformity
RoHS Declaration of Conformity
Note: The values in the datasheet are nominal. For requests outside the standards and dimensions above, reach us through the quote form; non-catalogue dimensions are planned according to the production schedule.