225 Amp Cable Size at 40 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 40 m (131.2 ft).
Copper Cable (≤3% Drop)95 mm²Drop: 4.05V (1.76%)
Aluminum Cable (≤3% Drop)150 mm²Drop: 4.24V (1.84%)
Voltage at Load225.9 VLine Loss: 912.3 W
Max Power & Breaker51.75 kW225A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A at 40m
| 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 | 256.8 V (111.65%) | 0.0 V | 423.6 V (184.17%) | 57780.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 154.08 V (66.99%) | 75.9 V | 254.16 V (110.5%) | 34668.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 96.3 V (41.87%) | 133.7 V | 158.85 V (69.07%) | 21667.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 64.2 V (27.91%) | 165.8 V | 105.9 V (46.04%) | 14445.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 38.52 V (16.75%) | 191.5 V | 63.54 V (27.63%) | 8667.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 24.07 V (10.47%) | 205.9 V | 39.71 V (17.27%) | 5416.9 W | Drop High |
| 25 mm² | 101 A | 78 A | 15.41 V (6.7%) | 214.6 V | 25.42 V (11.05%) | 3466.8 W | Drop High |
| 35 mm² | 125 A | 97 A | 11.01 V (4.79%) | 219.0 V | 18.15 V (7.89%) | 2476.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 7.7 V (3.35%) | 222.3 V | 12.71 V (5.53%) | 1733.4 W | Drop High |
| 70 mm² | 192 A | 150 A | 5.5 V (2.39%) | 224.5 V | 9.08 V (3.95%) | 1238.1 W | Drop High |
| 95 mm² | 232 A | 181 A | 4.05 V (1.76%) | 225.9 V | 6.69 V (2.91%) | 912.3 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 3.21 V (1.4%) | 226.8 V | 5.29 V (2.3%) | 722.2 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 2.57 V (1.12%) | 227.4 V | 4.24 V (1.84%) | 577.8 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 2.08 V (0.91%) | 227.9 V | 3.43 V (1.49%) | 468.5 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.6 V (0.7%) | 228.4 V | 2.65 V (1.15%) | 361.1 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.28 V (0.56%) | 228.7 V | 2.12 V (0.92%) | 288.9 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.96 V (0.42%) | 229.0 V | 1.59 V (0.69%) | 216.7 W | ✓ OK (≤3%) |
FAQ — 225 Amp Cable Size at 40 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 225A at 40 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 95 mm² copper cable for 225A over 40m at 230V (voltage drop: 4.05V or 1.76%).
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 · 45m (230V)225A · 50m (230V)225A · 60m (230V)225A · 70m (230V)10A · 40m (230V)16A · 40m (230V)20A · 40m (230V)25A · 40m (230V)32A · 40m (230V)40A · 40m (230V)50A · 40m (230V)63A · 40m (230V)80A · 40m (230V)100A · 40m (230V)125A · 40m (230V)160A · 40m (230V)200A · 40m (230V)