CoppAl® is our composite material that optimally combines a highly conductive copper cladding with the lightness of the aluminum core. CoppAl® is also called Cuponal or CuAl.
CoppAl® is a bi-metal composite for use as electrical connection in control cabinets, switchgear and distribution boards. The processing methods such as drilling, bending, punching and sawing are comparable to those of copper busbars.
CoppAl® busbars are available in our standard dimensions.
Our CoppAl® busbars are composite busbars made of copper and aluminum, also called CuAl or Cuponal. The copper cladding surrounds the aluminum core of the busbars and is inseparable from it. In this way we can optimally combine the positive properties of highly conductive copper with the low weight of aluminum. CoppAl® busbars are cheaper with the same current carrying capacity and are therefore a cost-saving alternative to copper busbars.
Current carrying capacity for CoppAl® busbars, the current-carrying capacity according to DIN 43670 – Part 2, copper-sheathed aluminum busbars.
The standard busbars length is 4000 mm.
Other dimensions at any time on request!
|Typenbez. / Type||Breite / Width [mm]||Dicke / Thickness [mm]||Länge / Length [mm]||Querschnitt / Cross-section [mm²]||Gewicht / Weight [kg] / 4 m||Strombelastung/ Current rating [A]* 65°C||Scharfe Kanten / Sharp edges [SH]||Gerundete Kanten / Rounded edges [RD]||Art.-Nr. / Item no.|
|CUAL 20x5x4000||20||5||4.000||100||1,45||233||✓||nicht lieferbar||42405020|
|CUAL 40x5x4000||40||5||4.000||200||2,90||418||✓||nicht lieferbar||42405040|
|CUAL 50x5x4000||50||5||4.000||250||3,63||508||✓||nicht lieferbar||42405050|
|CUAL 50x12x4000||50||12||4.000||600||8,71||809||✓||nicht lieferbar||42412050|
|CUAL 60x5x4000||60||5||4.000||300||4,68||594||✓||nicht lieferbar||42405060|
|CUAL 60x12x4000||60||12||4.000||720||10,46||934||✓||nicht lieferbar||42412060|
|CUAL 80x5x4000||80||5||4.000||400||5,81||762||✓||nicht lieferbar||42405080|
|CUAL 100x10x4000||100||10||4.000||1.000||14,52||1.282||✓||nicht lieferbar||42410100|
|CUAL 100x12x4000||100||12||4.000||1.200||17,42||1.399||✓||nicht lieferbar||42412100|
|CUAL 120x10x4000||120||10||4.000||1.200||17,42||1.488||✓||nicht lieferbar||42410120|
|CUAL 120x12x4000||120||12||4.000||1.440||20,91||1.617||✓||nicht lieferbar||42412120|
|Strombelastung/ Current rating [A]* 65°C||Scharfe Kanten / Sharp edges [SH]||Gerundete Kanten / Rounded edges [RD]|
* Current load values: Ambient temperature 35 °C, AC current AC.
Heating of the busbar as a function of: Current intensity, ambient temperature, heat dissipation, type of routing, installation, application Multiplication factor 1.72 when using 2 rails, multiplication factor 2.25 when using 3 rails in parallel arrangement.
Simply process CoppAl® as you are used to handling conventional copper busbars. Bends of more than 90 °C are no problem either. Neither the copper cladding nor the aluminum core are damaged with a bending mandrel.
No. Under normal conditions, such as those that prevail in electrical operating rooms, no increased corrosion occurs.
Outside of electrical operating rooms, such as increased humidity and the presence of electrolytes (e.g., sea air), you must expect increased corrosion on the cut edges and in the area of drill holes. In case of doubt, we therefore recommend additional corrosion protection (e.g., paint, grease, acid-free petroleum Vaseline).
Yes. Galvanized screws or stainless steel screws can be used without any problems under normal conditions.
In most cases, the same bracket spacing can be used as with copper busbars.
Most commercially available holders can be used here. If you choose CoppAl®, however, you should note that an approximately 20% larger cross-section must be used compared to copper busbars with the same rated current.
The thermal behavior is similar to that of copper busbars. The dynamic properties lie between copper and aluminum busbars.
DIN 43 670, Part 2 applies to CoppAl® busbars (copper-clad aluminum busbars)