63 Amp Cable Size at 80 Meters (415V Three-Phase (UK / Australia Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 63 A over 80 m (262.5 ft).
Copper Cable (≤3% Drop)16 mm²Drop: 11.68V (2.81%)
Aluminum Cable (≤3% Drop)25 mm²Drop: 12.33V (2.97%)
Voltage at Load403.3 VLine Loss: 1274.0 W
Max Power & Breaker45.28 kW63A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 63A at 80m
| Cross-Section (mm²) | Cu Ampacity | Al Ampacity | Cu Voltage Drop | Load Voltage | Al Voltage Drop | Power Loss | Status |
|---|---|---|---|---|---|---|---|
| 1.5 mm² | 16 A | 12 A | 124.54 V (30.01%) | 290.5 V | 205.44 V (49.5%) | 13589.9 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 74.72 V (18.01%) | 340.3 V | 123.26 V (29.7%) | 8153.9 W | Drop High |
| 4 mm² | 32 A | 25 A | 46.7 V (11.25%) | 368.3 V | 77.04 V (18.56%) | 5096.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 31.14 V (7.5%) | 383.9 V | 51.36 V (12.38%) | 3397.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 18.68 V (4.5%) | 396.3 V | 30.82 V (7.43%) | 2038.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 11.68 V (2.81%) | 403.3 V | 19.26 V (4.64%) | 1274.0 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 7.47 V (1.8%) | 407.5 V | 12.33 V (2.97%) | 815.4 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 5.34 V (1.29%) | 409.7 V | 8.8 V (2.12%) | 582.4 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 3.74 V (0.9%) | 411.3 V | 6.16 V (1.49%) | 407.7 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 2.67 V (0.64%) | 412.3 V | 4.4 V (1.06%) | 291.2 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 1.97 V (0.47%) | 413.0 V | 3.24 V (0.78%) | 214.6 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 1.56 V (0.38%) | 413.4 V | 2.57 V (0.62%) | 169.9 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 1.25 V (0.3%) | 413.8 V | 2.05 V (0.5%) | 135.9 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.01 V (0.24%) | 414.0 V | 1.67 V (0.4%) | 110.2 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.78 V (0.19%) | 414.2 V | 1.28 V (0.31%) | 84.9 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.62 V (0.15%) | 414.4 V | 1.03 V (0.25%) | 67.9 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.47 V (0.11%) | 414.5 V | 0.77 V (0.19%) | 51.0 W | ✓ OK (≤3%) |
FAQ — 63 Amp Cable Size at 80 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 63A at 80 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 16 mm² copper cable for 63A over 80m at 415V (voltage drop: 11.68V or 2.81%).
What is the power capacity of 63A at 415V?
At unity power factor, 63A at 415V supports 45.28 kW with a standard 63A circuit breaker.
Related Lengths & Currents (415V)
63A · 5m (415V)63A · 10m (415V)63A · 15m (415V)63A · 20m (415V)63A · 25m (415V)63A · 30m (415V)63A · 35m (415V)63A · 40m (415V)63A · 45m (415V)63A · 50m (415V)63A · 60m (415V)63A · 70m (415V)10A · 80m (415V)16A · 80m (415V)20A · 80m (415V)25A · 80m (415V)32A · 80m (415V)40A · 80m (415V)50A · 80m (415V)80A · 80m (415V)100A · 80m (415V)125A · 80m (415V)160A · 80m (415V)200A · 80m (415V)