900 Amp Cable Size at 500 Meters (415V Three-Phase (UK / Australia Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 900 A over 500 m (1640.4 ft).
Copper Cable (≤3% Drop)4× 400 mm²Drop: 10.43V (2.51%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 68.78V (16.57%)
Voltage at Load404.6 VLine Loss: 16250.6 W
Max Power & Breaker646.92 kW1000A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 900A at 500m
| 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 | 11119.77 V (2679.46%) | 0.0 V | 18342.42 V (4419.86%) | 17334000.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 6671.86 V (1607.68%) | 0.0 V | 11005.45 V (2651.92%) | 10400400.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 4169.91 V (1004.8%) | 0.0 V | 6878.41 V (1657.45%) | 6500250.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 2779.94 V (669.87%) | 0.0 V | 4585.6 V (1104.96%) | 4333500.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1667.96 V (401.92%) | 0.0 V | 2751.36 V (662.98%) | 2600100.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 1042.48 V (251.2%) | 0.0 V | 1719.6 V (414.36%) | 1625062.5 W | Drop High |
| 25 mm² | 101 A | 78 A | 667.19 V (160.77%) | 0.0 V | 1100.55 V (265.19%) | 1040040.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 476.56 V (114.83%) | 0.0 V | 786.1 V (189.42%) | 742885.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 333.59 V (80.38%) | 81.4 V | 550.27 V (132.6%) | 520020.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 238.28 V (57.42%) | 176.7 V | 393.05 V (94.71%) | 371442.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 175.58 V (42.31%) | 239.4 V | 289.62 V (69.79%) | 273694.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 139.0 V (33.49%) | 276.0 V | 229.28 V (55.25%) | 216675.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 111.2 V (26.79%) | 303.8 V | 183.42 V (44.2%) | 173340.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 90.16 V (21.73%) | 324.8 V | 148.72 V (35.84%) | 140545.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 69.5 V (16.75%) | 345.5 V | 114.64 V (27.62%) | 108337.5 W | Drop High |
| 300 mm² | 477 A | 372 A | 55.6 V (13.4%) | 359.4 V | 91.71 V (22.1%) | 86670.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 41.7 V (10.05%) | 373.3 V | 68.78 V (16.57%) | 65002.5 W | Drop High |
FAQ — 900 Amp Cable Size at 500 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 900A at 500 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4× 400 mm² copper cable for 900A over 500m at 415V (voltage drop: 10.43V or 2.51%).
What is the power capacity of 900A at 415V?
At unity power factor, 900A at 415V supports 646.92 kW with a standard 1000A circuit breaker.
Related Lengths & Currents (415V)
900A · 5m (415V)900A · 10m (415V)900A · 15m (415V)900A · 20m (415V)900A · 25m (415V)900A · 30m (415V)900A · 35m (415V)900A · 40m (415V)900A · 45m (415V)900A · 50m (415V)900A · 60m (415V)900A · 70m (415V)10A · 500m (415V)16A · 500m (415V)20A · 500m (415V)25A · 500m (415V)32A · 500m (415V)40A · 500m (415V)50A · 500m (415V)63A · 500m (415V)80A · 500m (415V)100A · 500m (415V)125A · 500m (415V)160A · 500m (415V)200A · 500m (415V)