32 Amp Cable Size at 10 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 32 A over 10 m (32.8 ft).
Copper Cable (≤3% Drop)4 mm²Drop: 2.97V (0.43%)
Aluminum Cable (≤3% Drop)6 mm²Drop: 3.26V (0.47%)
Voltage at Load687.0 VLine Loss: 164.4 W
Max Power & Breaker38.24 kW32A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 10m
| 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 | 7.91 V (1.15%) | 682.1 V | 13.04 V (1.89%) | 438.3 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 4.74 V (0.69%) | 685.3 V | 7.83 V (1.13%) | 263.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 2.97 V (0.43%) | 687.0 V | 4.89 V (0.71%) | 164.4 W | ✓ OK (≤3%) |
| 6 mm² | 41 A | 32 A | 1.98 V (0.29%) | 688.0 V | 3.26 V (0.47%) | 109.6 W | ✓ OK (≤3%) |
| 10 mm² | 57 A | 44 A | 1.19 V (0.17%) | 688.8 V | 1.96 V (0.28%) | 65.7 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 0.74 V (0.11%) | 689.3 V | 1.22 V (0.18%) | 41.1 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 0.47 V (0.07%) | 689.5 V | 0.78 V (0.11%) | 26.3 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 0.34 V (0.05%) | 689.7 V | 0.56 V (0.08%) | 18.8 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 0.24 V (0.03%) | 689.8 V | 0.39 V (0.06%) | 13.1 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 0.17 V (0.02%) | 689.8 V | 0.28 V (0.04%) | 9.4 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.12 V (0.02%) | 689.9 V | 0.21 V (0.03%) | 6.9 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.1 V (0.01%) | 689.9 V | 0.16 V (0.02%) | 5.5 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.08 V (0.01%) | 689.9 V | 0.13 V (0.02%) | 4.4 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.06 V (0.01%) | 689.9 V | 0.11 V (0.02%) | 3.6 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.05 V (0.01%) | 690.0 V | 0.08 V (0.01%) | 2.7 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.04 V (0.01%) | 690.0 V | 0.07 V (0.01%) | 2.2 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.03 V (0.0%) | 690.0 V | 0.05 V (0.01%) | 1.6 W | ✓ OK (≤3%) |
FAQ — 32 Amp Cable Size at 10 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 32A at 10 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4 mm² copper cable for 32A over 10m at 690V (voltage drop: 2.97V or 0.43%).
What is the power capacity of 32A at 690V?
At unity power factor, 32A at 690V supports 38.24 kW with a standard 32A circuit breaker.
Related Lengths & Currents (690V)
32A · 5m (690V)32A · 15m (690V)32A · 20m (690V)32A · 25m (690V)32A · 30m (690V)32A · 35m (690V)32A · 40m (690V)32A · 45m (690V)32A · 50m (690V)32A · 60m (690V)32A · 70m (690V)10A · 10m (690V)16A · 10m (690V)20A · 10m (690V)25A · 10m (690V)40A · 10m (690V)50A · 10m (690V)63A · 10m (690V)80A · 10m (690V)100A · 10m (690V)125A · 10m (690V)160A · 10m (690V)200A · 10m (690V)