225 Amp Cable Size at 250 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 225 A over 250 m (820.2 ft).
Copper Cable (≤3% Drop)400 mm²Drop: 6.02V (2.62%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 9.93V (4.32%)
Voltage at Load224.0 VLine Loss: 1354.2 W
Max Power & Breaker51.75 kW225A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A 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 | 1605.0 V (697.83%) | 0.0 V | 2647.5 V (1151.09%) | 361125.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 963.0 V (418.7%) | 0.0 V | 1588.5 V (690.65%) | 216675.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 601.88 V (261.68%) | 0.0 V | 992.81 V (431.66%) | 135421.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 401.25 V (174.46%) | 0.0 V | 661.88 V (287.77%) | 90281.2 W | Drop High |
| 10 mm² | 57 A | 44 A | 240.75 V (104.67%) | 0.0 V | 397.12 V (172.66%) | 54168.7 W | Drop High |
| 16 mm² | 76 A | 59 A | 150.47 V (65.42%) | 79.5 V | 248.2 V (107.91%) | 33855.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 96.3 V (41.87%) | 133.7 V | 158.85 V (69.07%) | 21667.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 68.79 V (29.91%) | 161.2 V | 113.46 V (49.33%) | 15476.8 W | Drop High |
| 50 mm² | 151 A | 118 A | 48.15 V (20.93%) | 181.8 V | 79.42 V (34.53%) | 10833.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 34.39 V (14.95%) | 195.6 V | 56.73 V (24.67%) | 7738.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 25.34 V (11.02%) | 204.7 V | 41.8 V (18.18%) | 5702.0 W | Drop High |
| 120 mm² | 269 A | 210 A | 20.06 V (8.72%) | 209.9 V | 33.09 V (14.39%) | 4514.1 W | Drop High |
| 150 mm² | 309 A | 241 A | 16.05 V (6.98%) | 213.9 V | 26.47 V (11.51%) | 3611.2 W | Drop High |
| 185 mm² | 353 A | 275 A | 13.01 V (5.66%) | 217.0 V | 21.47 V (9.33%) | 2928.0 W | Drop High |
| 240 mm² | 415 A | 324 A | 10.03 V (4.36%) | 220.0 V | 16.55 V (7.19%) | 2257.0 W | ~ ≤5% |
| 300 mm² | 477 A | 372 A | 8.03 V (3.49%) | 222.0 V | 13.24 V (5.76%) | 1805.6 W | ~ ≤5% |
| 400 mm² | 570 A | 445 A | 6.02 V (2.62%) | 224.0 V | 9.93 V (4.32%) | 1354.2 W | ✓ OK (≤3%) |
FAQ — 225 Amp Cable Size at 250 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 225A at 250 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 225A over 250m at 230V (voltage drop: 6.02V or 2.62%).
What is the power capacity of 225A at 230V?
At unity power factor, 225A at 230V supports 51.75 kW with a standard 225A circuit breaker.
Related Lengths & Currents (230V)
225A · 5m (230V)225A · 10m (230V)225A · 15m (230V)225A · 20m (230V)225A · 25m (230V)225A · 30m (230V)225A · 35m (230V)225A · 40m (230V)225A · 45m (230V)225A · 50m (230V)225A · 60m (230V)225A · 70m (230V)10A · 250m (230V)16A · 250m (230V)20A · 250m (230V)25A · 250m (230V)32A · 250m (230V)40A · 250m (230V)50A · 250m (230V)63A · 250m (230V)80A · 250m (230V)100A · 250m (230V)125A · 250m (230V)160A · 250m (230V)200A · 250m (230V)