Teknomega pre punched copper bars with rounded corners are available with :
- Length : 1750 mm
- Thickness : 5 mm and 10 mm
- Drilled with 10,5 mm diameter at 25 mm distance

Prepunched copper bars | Tickness 5 - 10 mm - Length 1750 mm
Code | Reference | Packing | Weight (Kg) | L (mm) | s (mm) | P (mm) | D Ø (mm) | B (mm) |
---|
BRP1000 | BRP 25X5 | 2 | 1,39 | 25 | 5 | 25 | 10,5 | 12,5 |
BRP1005 | BRP 50X5 | 2 | 3,39 | 50 | 5 | 25 | 10,5 | 12,5 |
BRP1010 | BRP 63X5 | 2 | 4,39 | 63 | 5 | 25 | 10,5 | 12,5 |
BRP1015 | BRP 80X5 | 2 | 5,69 | 80 | 5 | 25 | 10,5 | 12,5 |
BRP1020 | BRP 100X5 | 2 | 7,24 | 100 | 5 | 25 | 10,5 | 12,5 |
BRP1025 | BRP 125X5 | 2 | 9,19 | 125 | 5 | 25 | 10,5 | 12,5 |
BRP1030 | BRP 50X10 | 2 | 6,70 | 50 | 10 | 25 | 10,5 | 12,5 |
BRP1035 | BRP 60X10 | 2 | 8,79 | 60 | 10 | 25 | 10,5 | 12,5 |
BRP1040 | BRP 80X10 | 2 | 11,30 | 80 | 10 | 25 | 10,5 | 12,5 |
BRP1045 | BRP 100X10 | 2 | 14,40 | 100 | 10 | 25 | 10,5 | 12,5 |
BRP1050 | BRP 120X10 | 2 | 18,30 | 120 | 10 | 25 | 10,5 | 12,5 |
Ampacity (A) table of solid aluminium bars based on the T temperature rise as per standard DIN 43671. Reference room temperature Ta = 35°C
Dimensions | Sect. (mm²) | T 30° C | T 50° C |
---|
No. bars in parallel | I | II | III | II II | I | II | III | II II |
25X5 | 125 | 327 | 586 | 795 | 890 | 433 | 776 | 1053 | 1179 |
50X5 | 250 | 583 | 994 | 1260 | 1411 | 772 | 1317 | 1669 | 1870 |
63X5 | 315 | 718 | 1197 | 1494 | 1673 | 951 | 1586 | 1980 | 2217 |
80X5 | 400 | 885 | 1450 | 1750 | 1960 | 1173 | 1921 | 2319 | 2597 |
100X5 | 500 | 1080 | 1730 | 2050 | 2296 | 1431 | 2292 | 2716 | 3042 |
125X5 | 625 | 1300 | 2022 | 2380 | 2666 | 1722 | 2679 | 3153 | 3532 |
50X10 | 500 | 792 | 1404 | 1897 | | 1050 | 1861 | 2514 | |
60X10 | 600 | 916 | 1600 | 2139 | | 1214 | 2119 | 2834 | |
80X10 | 800 | 1153 | 1962 | 2595 | | 1528 | 2600 | 3438 | |
100X10 | 1000 | 1386 | 2306 | 3032 | | 1836 | 3056 | 4017 | |
120X10 | 1200 | 1618 | 2660 | 3478 | | 2144 | 3524 | 4609 | |
Example of copper bar choice
In = 800 A - T max. = 85 °C - Ta = 35 °C ΔT (See Table with ΔT = 50 °C)
Result:
- Prepunched copper bar 63 x 5 mm (In = 951 A)
- Solid copper bars: 65x5 (In = 951 A); 40 x 10 (In = 944 A)
- Solid alluminium bar 50 x 10 (In = 874 A).