63 Amp Cable Size at 300 Meters (400V Three-Phase (IEC European Grid))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 63 A over 300 m (984.3 ft).
Copper Cable (≤3% Drop)70 mm²Drop: 10.01V (2.5%)
Aluminum Cable (≤3% Drop)120 mm²Drop: 9.63V (2.41%)
Voltage at Load390.0 VLine Loss: 1092.0 W
Max Power & Breaker43.65 kW63A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 63A at 300m
| 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 | 467.03 V (116.76%) | 0.0 V | 770.38 V (192.6%) | 50962.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 280.22 V (70.05%) | 119.8 V | 462.23 V (115.56%) | 30577.2 W | Drop High |
| 4 mm² | 32 A | 25 A | 175.14 V (43.78%) | 224.9 V | 288.89 V (72.22%) | 19110.7 W | Drop High |
| 6 mm² | 41 A | 32 A | 116.76 V (29.19%) | 283.2 V | 192.6 V (48.15%) | 12740.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 70.05 V (17.51%) | 329.9 V | 115.56 V (28.89%) | 7644.3 W | Drop High |
| 16 mm² | 76 A | 59 A | 43.78 V (10.95%) | 356.2 V | 72.22 V (18.06%) | 4777.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 28.02 V (7.01%) | 372.0 V | 46.22 V (11.56%) | 3057.7 W | Drop High |
| 35 mm² | 125 A | 97 A | 20.02 V (5.0%) | 380.0 V | 33.02 V (8.25%) | 2184.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 14.01 V (3.5%) | 386.0 V | 23.11 V (5.78%) | 1528.9 W | ~ ≤5% |
| 70 mm² | 192 A | 150 A | 10.01 V (2.5%) | 390.0 V | 16.51 V (4.13%) | 1092.0 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 7.37 V (1.84%) | 392.6 V | 12.16 V (3.04%) | 804.7 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 5.84 V (1.46%) | 394.2 V | 9.63 V (2.41%) | 637.0 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 4.67 V (1.17%) | 395.3 V | 7.7 V (1.93%) | 509.6 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 3.79 V (0.95%) | 396.2 V | 6.25 V (1.56%) | 413.2 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 2.92 V (0.73%) | 397.1 V | 4.81 V (1.2%) | 318.5 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 2.34 V (0.58%) | 397.7 V | 3.85 V (0.96%) | 254.8 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.75 V (0.44%) | 398.2 V | 2.89 V (0.72%) | 191.1 W | ✓ OK (≤3%) |
FAQ — 63 Amp Cable Size at 300 Meters (400V Three-Phase (IEC European Grid))
What mm² cable size is required for 63A at 300 meters (400V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 70 mm² copper cable for 63A over 300m at 400V (voltage drop: 10.01V or 2.5%).
What is the power capacity of 63A at 400V?
At unity power factor, 63A at 400V supports 43.65 kW with a standard 63A circuit breaker.
Related Lengths & Currents (400V)
63A · 5m (400V)63A · 10m (400V)63A · 15m (400V)63A · 20m (400V)63A · 25m (400V)63A · 30m (400V)63A · 35m (400V)63A · 40m (400V)63A · 45m (400V)63A · 50m (400V)63A · 60m (400V)63A · 70m (400V)10A · 300m (400V)16A · 300m (400V)20A · 300m (400V)25A · 300m (400V)32A · 300m (400V)40A · 300m (400V)50A · 300m (400V)80A · 300m (400V)100A · 300m (400V)125A · 300m (400V)160A · 300m (400V)200A · 300m (400V)