63 Amp Cable Size at 80 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
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)150 mm²Drop: 1.44V (3.0%)
Aluminum Cable (≤3% Drop)300 mm²Drop: 1.19V (2.47%)
Voltage at Load46.6 VLine Loss: 90.6 W
Max Power & Breaker3.02 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 | 143.81 V (299.6%) | 0.0 V | 237.22 V (494.2%) | 9059.9 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 86.28 V (179.76%) | 0.0 V | 142.33 V (296.52%) | 5435.9 W | Drop High |
| 4 mm² | 32 A | 25 A | 53.93 V (112.35%) | 0.0 V | 88.96 V (185.32%) | 3397.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 35.95 V (74.9%) | 12.0 V | 59.3 V (123.55%) | 2265.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 21.57 V (44.94%) | 26.4 V | 35.58 V (74.13%) | 1359.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 13.48 V (28.09%) | 34.5 V | 22.24 V (46.33%) | 849.4 W | Drop High |
| 25 mm² | 101 A | 78 A | 8.63 V (17.98%) | 39.4 V | 14.23 V (29.65%) | 543.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 6.16 V (12.84%) | 41.8 V | 10.17 V (21.18%) | 388.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 4.31 V (8.99%) | 43.7 V | 7.12 V (14.83%) | 271.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 3.08 V (6.42%) | 44.9 V | 5.08 V (10.59%) | 194.1 W | Drop High |
| 95 mm² | 232 A | 181 A | 2.27 V (4.73%) | 45.7 V | 3.75 V (7.8%) | 143.1 W | ~ ≤5% |
| 120 mm² | 269 A | 210 A | 1.8 V (3.75%) | 46.2 V | 2.97 V (6.18%) | 113.2 W | ~ ≤5% |
| 150 mm² | 309 A | 241 A | 1.44 V (3.0%) | 46.6 V | 2.37 V (4.94%) | 90.6 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.17 V (2.43%) | 46.8 V | 1.92 V (4.01%) | 73.5 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.9 V (1.87%) | 47.1 V | 1.48 V (3.09%) | 56.6 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.72 V (1.5%) | 47.3 V | 1.19 V (2.47%) | 45.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.54 V (1.12%) | 47.5 V | 0.89 V (1.85%) | 34.0 W | ✓ OK (≤3%) |
FAQ — 63 Amp Cable Size at 80 Meters (48V DC (LiFePO4 Battery Bank / Telecom))
What mm² cable size is required for 63A at 80 meters (48V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 150 mm² copper cable for 63A over 80m at 48V (voltage drop: 1.44V or 3.0%).
What is the power capacity of 63A at 48V?
At unity power factor, 63A at 48V supports 3.02 kW with a standard 63A circuit breaker.
Related Lengths & Currents (48V)
63A · 5m (48V)63A · 10m (48V)63A · 15m (48V)63A · 20m (48V)63A · 25m (48V)63A · 30m (48V)63A · 35m (48V)63A · 40m (48V)63A · 45m (48V)63A · 50m (48V)63A · 60m (48V)63A · 70m (48V)10A · 80m (48V)16A · 80m (48V)20A · 80m (48V)25A · 80m (48V)32A · 80m (48V)40A · 80m (48V)50A · 80m (48V)80A · 80m (48V)100A · 80m (48V)125A · 80m (48V)160A · 80m (48V)200A · 80m (48V)