1000 Amp Cable Size at 400 Meters (415V Three-Phase (UK / Australia Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 1000 A over 400 m (1312.3 ft).
Copper Cable (≤3% Drop)3× 400 mm²Drop: 12.36V (2.98%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 61.14V (14.73%)
Voltage at Load402.6 VLine Loss: 21400.0 W
Max Power & Breaker718.8 kW1000A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 1000A at 400m
| 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 | 9884.24 V (2381.74%) | 0.0 V | 16304.37 V (3928.76%) | 17120000.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 5930.54 V (1429.05%) | 0.0 V | 9782.62 V (2357.26%) | 10272000.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 3706.59 V (893.15%) | 0.0 V | 6114.14 V (1473.29%) | 6420000.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 2471.06 V (595.44%) | 0.0 V | 4076.09 V (982.19%) | 4280000.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1482.64 V (357.26%) | 0.0 V | 2445.66 V (589.31%) | 2568000.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 926.65 V (223.29%) | 0.0 V | 1528.53 V (368.32%) | 1605000.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 593.05 V (142.9%) | 0.0 V | 978.26 V (235.73%) | 1027200.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 423.61 V (102.07%) | 0.0 V | 698.76 V (168.38%) | 733714.3 W | Drop High |
| 50 mm² | 151 A | 118 A | 296.53 V (71.45%) | 118.5 V | 489.13 V (117.86%) | 513600.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 211.81 V (51.04%) | 203.2 V | 349.38 V (84.19%) | 366857.1 W | Drop High |
| 95 mm² | 232 A | 181 A | 156.07 V (37.61%) | 258.9 V | 257.44 V (62.03%) | 270315.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 123.55 V (29.77%) | 291.4 V | 203.8 V (49.11%) | 214000.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 98.84 V (23.82%) | 316.2 V | 163.04 V (39.29%) | 171200.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 80.14 V (19.31%) | 334.9 V | 132.2 V (31.85%) | 138810.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 61.78 V (14.89%) | 353.2 V | 101.9 V (24.55%) | 107000.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 49.42 V (11.91%) | 365.6 V | 81.52 V (19.64%) | 85600.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 37.07 V (8.93%) | 377.9 V | 61.14 V (14.73%) | 64200.0 W | Drop High |
FAQ — 1000 Amp Cable Size at 400 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 1000A at 400 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 1000A over 400m at 415V (voltage drop: 12.36V or 2.98%).
What is the power capacity of 1000A at 415V?
At unity power factor, 1000A at 415V supports 718.8 kW with a standard 1000A circuit breaker.
Related Lengths & Currents (415V)
1000A · 5m (415V)1000A · 10m (415V)1000A · 15m (415V)1000A · 20m (415V)1000A · 25m (415V)1000A · 30m (415V)1000A · 35m (415V)1000A · 40m (415V)1000A · 45m (415V)1000A · 50m (415V)1000A · 60m (415V)1000A · 70m (415V)10A · 400m (415V)16A · 400m (415V)20A · 400m (415V)25A · 400m (415V)32A · 400m (415V)40A · 400m (415V)50A · 400m (415V)63A · 400m (415V)80A · 400m (415V)100A · 400m (415V)125A · 400m (415V)160A · 400m (415V)200A · 400m (415V)