375 Amp Cable Size at 175 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 175 m (574.1 ft).
Copper Cable (≤3% Drop)240 mm²Drop: 10.14V (1.47%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 10.03V (1.45%)
Voltage at Load679.9 VLine Loss: 6583.0 W
Max Power & Breaker448.17 kW400A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 375A at 175m
| 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 | 1621.63 V (235.02%) | 0.0 V | 2674.94 V (387.67%) | 1053281.2 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 972.98 V (141.01%) | 0.0 V | 1604.96 V (232.6%) | 631968.7 W | Drop High |
| 4 mm² | 32 A | 25 A | 608.11 V (88.13%) | 81.9 V | 1003.1 V (145.38%) | 394980.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 405.41 V (58.75%) | 284.6 V | 668.73 V (96.92%) | 263320.3 W | Drop High |
| 10 mm² | 57 A | 44 A | 243.24 V (35.25%) | 446.8 V | 401.24 V (58.15%) | 157992.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 152.03 V (22.03%) | 538.0 V | 250.78 V (36.34%) | 98745.1 W | Drop High |
| 25 mm² | 101 A | 78 A | 97.3 V (14.1%) | 592.7 V | 160.5 V (23.26%) | 63196.9 W | Drop High |
| 35 mm² | 125 A | 97 A | 69.5 V (10.07%) | 620.5 V | 114.64 V (16.61%) | 45140.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 48.65 V (7.05%) | 641.4 V | 80.25 V (11.63%) | 31598.4 W | Drop High |
| 70 mm² | 192 A | 150 A | 34.75 V (5.04%) | 655.3 V | 57.32 V (8.31%) | 22570.3 W | Drop High |
| 95 mm² | 232 A | 181 A | 25.6 V (3.71%) | 664.4 V | 42.24 V (6.12%) | 16630.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 20.27 V (2.94%) | 669.7 V | 33.44 V (4.85%) | 13166.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 16.22 V (2.35%) | 673.8 V | 26.75 V (3.88%) | 10532.8 W | Drop High |
| 185 mm² | 353 A | 275 A | 13.15 V (1.91%) | 676.9 V | 21.69 V (3.14%) | 8540.1 W | Drop High |
| 240 mm² | 415 A | 324 A | 10.14 V (1.47%) | 679.9 V | 16.72 V (2.42%) | 6583.0 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 8.11 V (1.18%) | 681.9 V | 13.37 V (1.94%) | 5266.4 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 6.08 V (0.88%) | 683.9 V | 10.03 V (1.45%) | 3949.8 W | ✓ OK (≤3%) |
FAQ — 375 Amp Cable Size at 175 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 375A at 175 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 175m at 690V (voltage drop: 10.14V or 1.47%).
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 · 35m (690V)375A · 40m (690V)375A · 45m (690V)375A · 50m (690V)375A · 60m (690V)375A · 70m (690V)10A · 175m (690V)16A · 175m (690V)20A · 175m (690V)25A · 175m (690V)32A · 175m (690V)40A · 175m (690V)50A · 175m (690V)63A · 175m (690V)80A · 175m (690V)100A · 175m (690V)125A · 175m (690V)160A · 175m (690V)200A · 175m (690V)