CUPONAL SOLID BUSBAR technical data

Available sizes and technical specifications
Dimensions
[mm]
Cross section
[mm2]
Weight
[kg/m]
Continuous current rating [A]
(track temperature 65°C,
ambient temperature 35°C)
AC (50 Hz / 60 Hz) DC
20 x 5 100 0,36 235 235
30 x 5 150 0,54 328 329
20 x 10 200 0,73 363 365
40 x 5 200 0,73 418 420
30 x 10 300 1,09 493 497
50 x 5 250 0,98 508 511
60 x 5 300 1,17 594 599
40 x 10 400 1,45 617 625
40 x 12 480 1,71 681 727
50 x 10 500 1,81 736 751
80 x 5 400 1,57 762 773
50 x 12 600 2,15 809 831
60 x 10 600 2,18 853 875
60 x 12 720 2,58 934 967
80 x 10 800 2,90 1074 1119
100 x 10 1000 3,63 1287 1358
100 x 12 1200 4,38 1399 1496
120 x 10 1200 4,38 1488 1589
120 x 12 1440 5,20 1617 1755

 

Comparison of copper and Cuponal busbars
Dimensions
Cu bars
[mm]
Dimensions of Cuponal bars with equal or higher continuous current carrying capacity
[mm]
Weight savings by Cuponal bar compared to Cu-bar
12 x 5 20 x 5 32 %
12 x 10 30 x 5 49 %
20 x 5 30 x 5 39 %
20 x 10 30 x 10 39 %
30 x 5 40 x 5 46 %
30 x 10 60 x 5 56 %
40 x 5 30 x 10 39 %
40 x 10 50 x 10 49 %
50 x 5 60 x 5 47 %
50 x 10 60 x 10 51 %
60 x 5 50 x 10 32 %
60 x 10 80 x 10 46 %
80 x 5 60 x 12 27 %
80 x 10 100 x 10 49 %
100 x 5 100 x 10 18 %
100 x 10 120 x 10 42 %
Dimensions
Dimensions Cross-section Weight [kg/m]
20 5 100 0,36
20 10 200 0,73
30 5 150 0,54
30 10 300 1,09
40 5 200 0,73
40 10 400 1,45
40 12 480 1,74
50 5 250 0,91
50 10 500 1,82
50 12 600 2,18
60 5 300 1,09
60 10 600 2,18
60 12 720 2,61
80 5 400 1,45
80 10 800 2,90
100 10 1000 3,63
100 12 1200 4,36
120 10 1200 4,36
120 12 1440 5,23
Approvals

CUPONAL has been approved for use in equipment by many authorities, including the following:
Germanischer Lloyd; Det Norske Veritas; ABS; Bureau Veritas; Lloyds Register of Shipping: SABS; ULA; National Power Supply Company; National Grid Company; electrical and water utilities.

Standards

CUPONAL complies with BS 159:1957, and conforms to DIN 43670 Part2. The aluminium core is of electrical grade and the copper cladding is to BS 2871/C101

Frequently asked questions (FAQ)

Let us know your demands and we will be glad to submit you our specific offer.