Bus Bar Ampacity: COPPER_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) |
|---|---|---|---|---|---|---|---|---|
| COPPER_3BAR | 0.25X4IN | 3,340 | 4,420 | 139.2 | 1.6 | 0.25 | 14.48 | 4 |
| COPPER_3BAR | 0.375X4IN | 4,050 | 5,360 | 150 | 1.05 | 0.375 | 21.72 | 4 |
| COPPER_3BAR | 0.5X4IN | 4,660 | 6,170 | 155.3 | 0.8 | 0.5 | 28.96 | 4 |
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