375 Amp Cable Size at 35 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 375 A over 35 m (114.8 ft).
Copper Cable (≤3% Drop)240 mm²Drop: 2.03V (0.29%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 2.01V (0.29%)
Voltage at Load688.0 VLine Loss: 1316.6 W
Max Power & Breaker448.17 kW400A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 375A at 35m
| 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 | 324.33 V (47.0%) | 365.7 V | 534.99 V (77.53%) | 210656.2 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 194.6 V (28.2%) | 495.4 V | 320.99 V (46.52%) | 126393.7 W | Drop High |
| 4 mm² | 32 A | 25 A | 121.62 V (17.63%) | 568.4 V | 200.62 V (29.08%) | 78996.1 W | Drop High |
| 6 mm² | 41 A | 32 A | 81.08 V (11.75%) | 608.9 V | 133.75 V (19.38%) | 52664.1 W | Drop High |
| 10 mm² | 57 A | 44 A | 48.65 V (7.05%) | 641.4 V | 80.25 V (11.63%) | 31598.4 W | Drop High |
| 16 mm² | 76 A | 59 A | 30.41 V (4.41%) | 659.6 V | 50.16 V (7.27%) | 19749.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 19.46 V (2.82%) | 670.5 V | 32.1 V (4.65%) | 12639.4 W | Drop High |
| 35 mm² | 125 A | 97 A | 13.9 V (2.01%) | 676.1 V | 22.93 V (3.32%) | 9028.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 9.73 V (1.41%) | 680.3 V | 16.05 V (2.33%) | 6319.7 W | Drop High |
| 70 mm² | 192 A | 150 A | 6.95 V (1.01%) | 683.1 V | 11.46 V (1.66%) | 4514.1 W | Drop High |
| 95 mm² | 232 A | 181 A | 5.12 V (0.74%) | 684.9 V | 8.45 V (1.22%) | 3326.2 W | Drop High |
| 120 mm² | 269 A | 210 A | 4.05 V (0.59%) | 685.9 V | 6.69 V (0.97%) | 2633.2 W | Drop High |
| 150 mm² | 309 A | 241 A | 3.24 V (0.47%) | 686.8 V | 5.35 V (0.78%) | 2106.6 W | Drop High |
| 185 mm² | 353 A | 275 A | 2.63 V (0.38%) | 687.4 V | 4.34 V (0.63%) | 1708.0 W | Drop High |
| 240 mm² | 415 A | 324 A | 2.03 V (0.29%) | 688.0 V | 3.34 V (0.48%) | 1316.6 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.62 V (0.24%) | 688.4 V | 2.67 V (0.39%) | 1053.3 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.22 V (0.18%) | 688.8 V | 2.01 V (0.29%) | 790.0 W | ✓ OK (≤3%) |
FAQ — 375 Amp Cable Size at 35 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 375A at 35 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 240 mm² copper cable for 375A over 35m at 690V (voltage drop: 2.03V or 0.29%).
What is the power capacity of 375A at 690V?
At unity power factor, 375A at 690V supports 448.17 kW with a standard 400A circuit breaker.
Related Lengths & Currents (690V)
375A · 5m (690V)375A · 10m (690V)375A · 15m (690V)375A · 20m (690V)375A · 25m (690V)375A · 30m (690V)375A · 40m (690V)375A · 45m (690V)375A · 50m (690V)375A · 60m (690V)375A · 70m (690V)10A · 35m (690V)16A · 35m (690V)20A · 35m (690V)25A · 35m (690V)32A · 35m (690V)40A · 35m (690V)50A · 35m (690V)63A · 35m (690V)80A · 35m (690V)100A · 35m (690V)125A · 35m (690V)160A · 35m (690V)200A · 35m (690V)