Bus Bar Ampacity: ALUMINUM_3BAR
Copper and aluminum bus bar ampacity by material/configuration and cross-section dimensions. Includes ampacity at 30C and 65C temperature rise, weight per foot, current density, and resistance per IEEE 738 and CDA Publication 22.
| config | dimensions | ampacity 30C rise A (A) | ampacity 65C rise A (A) | current density A in2 (A/in2) | resistance microohm ft (microohm/ft) | thickness in (in) | weight lb ft (lb/ft) | width in (in) |
|---|---|---|---|---|---|---|---|---|
| ALUMINUM_3BAR | 0.375X4IN | 2,760 | 3,650 | 153.3 | 1.77 | 0.375 | 7.44 | 4 |
| ALUMINUM_3BAR | 0.5X4IN | 3,190 | 4,220 | 132.9 | 1.33 | 0.5 | 9.92 | 4 |
| ALUMINUM_3BAR | 0.5X6IN | 4,060 | 5,380 | 112.8 | 0.89 | 0.5 | 14.88 | 6 |
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