32 Amp Cable Size at 150 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 150 m (492.1 ft).
Copper Cable (≤3% Drop)10 mm²Drop: 17.79V (2.58%)
Aluminum Cable (≤3% Drop)16 mm²Drop: 18.34V (2.66%)
Voltage at Load672.2 VLine Loss: 986.1 W
Max Power & Breaker38.24 kW32A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 150m
| 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 | 118.61 V (17.19%) | 571.4 V | 195.65 V (28.36%) | 6574.1 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 71.17 V (10.31%) | 618.8 V | 117.39 V (17.01%) | 3944.4 W | Drop High |
| 4 mm² | 32 A | 25 A | 44.48 V (6.45%) | 645.5 V | 73.37 V (10.63%) | 2465.3 W | Drop High |
| 6 mm² | 41 A | 32 A | 29.65 V (4.3%) | 660.3 V | 48.91 V (7.09%) | 1643.5 W | ~ ≤5% |
| 10 mm² | 57 A | 44 A | 17.79 V (2.58%) | 672.2 V | 29.35 V (4.25%) | 986.1 W | ✓ OK (≤3%) |
| 16 mm² | 76 A | 59 A | 11.12 V (1.61%) | 678.9 V | 18.34 V (2.66%) | 616.3 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 7.12 V (1.03%) | 682.9 V | 11.74 V (1.7%) | 394.4 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 5.08 V (0.74%) | 684.9 V | 8.39 V (1.22%) | 281.7 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 3.56 V (0.52%) | 686.4 V | 5.87 V (0.85%) | 197.2 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 2.54 V (0.37%) | 687.5 V | 4.19 V (0.61%) | 140.9 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 1.87 V (0.27%) | 688.1 V | 3.09 V (0.45%) | 103.8 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 1.48 V (0.21%) | 688.5 V | 2.45 V (0.35%) | 82.2 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 1.19 V (0.17%) | 688.8 V | 1.96 V (0.28%) | 65.7 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.96 V (0.14%) | 689.0 V | 1.59 V (0.23%) | 53.3 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.74 V (0.11%) | 689.3 V | 1.22 V (0.18%) | 41.1 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.59 V (0.09%) | 689.4 V | 0.98 V (0.14%) | 32.9 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.44 V (0.06%) | 689.6 V | 0.73 V (0.11%) | 24.7 W | ✓ OK (≤3%) |
FAQ — 32 Amp Cable Size at 150 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 32A at 150 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 10 mm² copper cable for 32A over 150m at 690V (voltage drop: 17.79V or 2.58%).
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 · 10m (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 · 150m (690V)16A · 150m (690V)20A · 150m (690V)25A · 150m (690V)40A · 150m (690V)50A · 150m (690V)63A · 150m (690V)80A · 150m (690V)100A · 150m (690V)125A · 150m (690V)160A · 150m (690V)200A · 150m (690V)