200 Amp Cable Size at 250 Meters (415V Three-Phase (UK / Australia Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 200 A over 250 m (820.2 ft).
Copper Cable (≤3% Drop)150 mm²Drop: 12.36V (2.98%)
Aluminum Cable (≤3% Drop)300 mm²Drop: 10.19V (2.46%)
Voltage at Load402.6 VLine Loss: 4280.0 W
Max Power & Breaker143.76 kW200A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 200A at 250m
| 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 | 1235.53 V (297.72%) | 0.0 V | 2038.05 V (491.1%) | 428000.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 741.32 V (178.63%) | 0.0 V | 1222.83 V (294.66%) | 256800.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 463.32 V (111.64%) | 0.0 V | 764.27 V (184.16%) | 160500.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 308.88 V (74.43%) | 106.1 V | 509.51 V (122.77%) | 107000.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 185.33 V (44.66%) | 229.7 V | 305.71 V (73.66%) | 64200.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 115.83 V (27.91%) | 299.2 V | 191.07 V (46.04%) | 40125.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 74.13 V (17.86%) | 340.9 V | 122.28 V (29.47%) | 25680.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 52.95 V (12.76%) | 362.0 V | 87.34 V (21.05%) | 18342.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 37.07 V (8.93%) | 377.9 V | 61.14 V (14.73%) | 12840.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 26.48 V (6.38%) | 388.5 V | 43.67 V (10.52%) | 9171.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 19.51 V (4.7%) | 395.5 V | 32.18 V (7.75%) | 6757.9 W | ~ ≤5% |
| 120 mm² | 269 A | 210 A | 15.44 V (3.72%) | 399.6 V | 25.48 V (6.14%) | 5350.0 W | ~ ≤5% |
| 150 mm² | 309 A | 241 A | 12.36 V (2.98%) | 402.6 V | 20.38 V (4.91%) | 4280.0 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 10.02 V (2.41%) | 405.0 V | 16.52 V (3.98%) | 3470.3 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 7.72 V (1.86%) | 407.3 V | 12.74 V (3.07%) | 2675.0 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 6.18 V (1.49%) | 408.8 V | 10.19 V (2.46%) | 2140.0 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 4.63 V (1.12%) | 410.4 V | 7.64 V (1.84%) | 1605.0 W | ✓ OK (≤3%) |
FAQ — 200 Amp Cable Size at 250 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 200A at 250 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 150 mm² copper cable for 200A over 250m at 415V (voltage drop: 12.36V or 2.98%).
What is the power capacity of 200A at 415V?
At unity power factor, 200A at 415V supports 143.76 kW with a standard 200A circuit breaker.
Related Lengths & Currents (415V)
200A · 5m (415V)200A · 10m (415V)200A · 15m (415V)200A · 20m (415V)200A · 25m (415V)200A · 30m (415V)200A · 35m (415V)200A · 40m (415V)200A · 45m (415V)200A · 50m (415V)200A · 60m (415V)200A · 70m (415V)10A · 250m (415V)16A · 250m (415V)20A · 250m (415V)25A · 250m (415V)32A · 250m (415V)40A · 250m (415V)50A · 250m (415V)63A · 250m (415V)80A · 250m (415V)100A · 250m (415V)125A · 250m (415V)160A · 250m (415V)