750 Amp Cable Size at 175 Meters (415V Three-Phase (UK / Australia Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 750 A over 175 m (574.1 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 6.08V (1.47%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 20.06V (4.83%)
Voltage at Load408.9 VLine Loss: 7899.6 W
Max Power & Breaker539.1 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 750A 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 | 3243.27 V (781.51%) | 0.0 V | 5349.87 V (1289.13%) | 4213125.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1945.96 V (468.91%) | 0.0 V | 3209.92 V (773.48%) | 2527875.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 1216.22 V (293.07%) | 0.0 V | 2006.2 V (483.42%) | 1579921.9 W | Drop High |
| 6 mm² | 41 A | 32 A | 810.82 V (195.38%) | 0.0 V | 1337.47 V (322.28%) | 1053281.2 W | Drop High |
| 10 mm² | 57 A | 44 A | 486.49 V (117.23%) | 0.0 V | 802.48 V (193.37%) | 631968.7 W | Drop High |
| 16 mm² | 76 A | 59 A | 304.06 V (73.27%) | 110.9 V | 501.55 V (120.86%) | 394980.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 194.6 V (46.89%) | 220.4 V | 320.99 V (77.35%) | 252787.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 139.0 V (33.49%) | 276.0 V | 229.28 V (55.25%) | 180562.5 W | Drop High |
| 50 mm² | 151 A | 118 A | 97.3 V (23.45%) | 317.7 V | 160.5 V (38.67%) | 126393.7 W | Drop High |
| 70 mm² | 192 A | 150 A | 69.5 V (16.75%) | 345.5 V | 114.64 V (27.62%) | 90281.2 W | Drop High |
| 95 mm² | 232 A | 181 A | 51.21 V (12.34%) | 363.8 V | 84.47 V (20.35%) | 66523.0 W | Drop High |
| 120 mm² | 269 A | 210 A | 40.54 V (9.77%) | 374.5 V | 66.87 V (16.11%) | 52664.1 W | Drop High |
| 150 mm² | 309 A | 241 A | 32.43 V (7.82%) | 382.6 V | 53.5 V (12.89%) | 42131.2 W | Drop High |
| 185 mm² | 353 A | 275 A | 26.3 V (6.34%) | 388.7 V | 43.38 V (10.45%) | 34160.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 20.27 V (4.88%) | 394.7 V | 33.44 V (8.06%) | 26332.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 16.22 V (3.91%) | 398.8 V | 26.75 V (6.45%) | 21065.6 W | Drop High |
| 400 mm² | 570 A | 445 A | 12.16 V (2.93%) | 402.8 V | 20.06 V (4.83%) | 15799.2 W | Drop High |
FAQ — 750 Amp Cable Size at 175 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 750A at 175 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 750A over 175m at 415V (voltage drop: 6.08V or 1.47%).
What is the power capacity of 750A at 415V?
At unity power factor, 750A at 415V supports 539.1 kW with a standard 800A circuit breaker.
Related Lengths & Currents (415V)
750A · 5m (415V)750A · 10m (415V)750A · 15m (415V)750A · 20m (415V)750A · 25m (415V)750A · 30m (415V)750A · 35m (415V)750A · 40m (415V)750A · 45m (415V)750A · 50m (415V)750A · 60m (415V)750A · 70m (415V)10A · 175m (415V)16A · 175m (415V)20A · 175m (415V)25A · 175m (415V)32A · 175m (415V)40A · 175m (415V)50A · 175m (415V)63A · 175m (415V)80A · 175m (415V)100A · 175m (415V)125A · 175m (415V)160A · 175m (415V)200A · 175m (415V)