32 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 32 A over 300 m (984.3 ft).
Copper Cable (≤3% Drop)35 mm²Drop: 10.17V (2.54%)
Aluminum Cable (≤3% Drop)50 mm²Drop: 11.74V (2.93%)
Voltage at Load389.8 VLine Loss: 563.5 W
Max Power & Breaker22.17 kW32A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A 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 | 237.22 V (59.31%) | 162.8 V | 391.3 V (97.83%) | 13148.2 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 142.33 V (35.58%) | 257.7 V | 234.78 V (58.7%) | 7888.9 W | Drop High |
| 4 mm² | 32 A | 25 A | 88.96 V (22.24%) | 311.0 V | 146.74 V (36.68%) | 4930.6 W | Drop High |
| 6 mm² | 41 A | 32 A | 59.31 V (14.83%) | 340.7 V | 97.83 V (24.46%) | 3287.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 35.58 V (8.9%) | 364.4 V | 58.7 V (14.67%) | 1972.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 22.24 V (5.56%) | 377.8 V | 36.68 V (9.17%) | 1232.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 14.23 V (3.56%) | 385.8 V | 23.48 V (5.87%) | 788.9 W | ~ ≤5% |
| 35 mm² | 125 A | 97 A | 10.17 V (2.54%) | 389.8 V | 16.77 V (4.19%) | 563.5 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 7.12 V (1.78%) | 392.9 V | 11.74 V (2.93%) | 394.4 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 5.08 V (1.27%) | 394.9 V | 8.39 V (2.1%) | 281.7 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 3.75 V (0.94%) | 396.3 V | 6.18 V (1.54%) | 207.6 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 2.97 V (0.74%) | 397.0 V | 4.89 V (1.22%) | 164.4 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 2.37 V (0.59%) | 397.6 V | 3.91 V (0.98%) | 131.5 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 1.92 V (0.48%) | 398.1 V | 3.17 V (0.79%) | 106.6 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 1.48 V (0.37%) | 398.5 V | 2.45 V (0.61%) | 82.2 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.19 V (0.3%) | 398.8 V | 1.96 V (0.49%) | 65.7 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.89 V (0.22%) | 399.1 V | 1.47 V (0.37%) | 49.3 W | ✓ OK (≤3%) |
FAQ — 32 Amp Cable Size at 300 Meters (400V Three-Phase (IEC European Grid))
What mm² cable size is required for 32A at 300 meters (400V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 35 mm² copper cable for 32A over 300m at 400V (voltage drop: 10.17V or 2.54%).
What is the power capacity of 32A at 400V?
At unity power factor, 32A at 400V supports 22.17 kW with a standard 32A circuit breaker.
Related Lengths & Currents (400V)
32A · 5m (400V)32A · 10m (400V)32A · 15m (400V)32A · 20m (400V)32A · 25m (400V)32A · 30m (400V)32A · 35m (400V)32A · 40m (400V)32A · 45m (400V)32A · 50m (400V)32A · 60m (400V)32A · 70m (400V)10A · 300m (400V)16A · 300m (400V)20A · 300m (400V)25A · 300m (400V)40A · 300m (400V)50A · 300m (400V)63A · 300m (400V)80A · 300m (400V)100A · 300m (400V)125A · 300m (400V)160A · 300m (400V)200A · 300m (400V)