600 Amp Cable Size at 20 Meters (400V Three-Phase (IEC European Grid))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 600 A over 20 m (65.6 ft).
Copper Cable (≤3% Drop)2× 400 mm²Drop: 0.56V (0.14%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.83V (0.46%)
Voltage at Load399.4 VLine Loss: 577.8 W
Max Power & Breaker415.69 kW600A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 600A at 20m
| 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 | 296.53 V (74.13%) | 103.5 V | 489.13 V (122.28%) | 308160.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 177.92 V (44.48%) | 222.1 V | 293.48 V (73.37%) | 184896.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 111.2 V (27.8%) | 288.8 V | 183.42 V (45.86%) | 115560.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 74.13 V (18.53%) | 325.9 V | 122.28 V (30.57%) | 77040.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 44.48 V (11.12%) | 355.5 V | 73.37 V (18.34%) | 46224.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 27.8 V (6.95%) | 372.2 V | 45.86 V (11.46%) | 28890.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 17.79 V (4.45%) | 382.2 V | 29.35 V (7.34%) | 18489.6 W | Drop High |
| 35 mm² | 125 A | 97 A | 12.71 V (3.18%) | 387.3 V | 20.96 V (5.24%) | 13206.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 8.9 V (2.22%) | 391.1 V | 14.67 V (3.67%) | 9244.8 W | Drop High |
| 70 mm² | 192 A | 150 A | 6.35 V (1.59%) | 393.6 V | 10.48 V (2.62%) | 6603.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 4.68 V (1.17%) | 395.3 V | 7.72 V (1.93%) | 4865.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 3.71 V (0.93%) | 396.3 V | 6.11 V (1.53%) | 3852.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 2.97 V (0.74%) | 397.0 V | 4.89 V (1.22%) | 3081.6 W | Drop High |
| 185 mm² | 353 A | 275 A | 2.4 V (0.6%) | 397.6 V | 3.97 V (0.99%) | 2498.6 W | Drop High |
| 240 mm² | 415 A | 324 A | 1.85 V (0.46%) | 398.1 V | 3.06 V (0.76%) | 1926.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 1.48 V (0.37%) | 398.5 V | 2.45 V (0.61%) | 1540.8 W | Drop High |
| 400 mm² | 570 A | 445 A | 1.11 V (0.28%) | 398.9 V | 1.83 V (0.46%) | 1155.6 W | Drop High |
FAQ — 600 Amp Cable Size at 20 Meters (400V Three-Phase (IEC European Grid))
What mm² cable size is required for 600A at 20 meters (400V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 600A over 20m at 400V (voltage drop: 0.56V or 0.14%).
What is the power capacity of 600A at 400V?
At unity power factor, 600A at 400V supports 415.69 kW with a standard 600A circuit breaker.
Related Lengths & Currents (400V)
600A · 5m (400V)600A · 10m (400V)600A · 15m (400V)600A · 25m (400V)600A · 30m (400V)600A · 35m (400V)600A · 40m (400V)600A · 45m (400V)600A · 50m (400V)600A · 60m (400V)600A · 70m (400V)10A · 20m (400V)16A · 20m (400V)20A · 20m (400V)25A · 20m (400V)32A · 20m (400V)40A · 20m (400V)50A · 20m (400V)63A · 20m (400V)80A · 20m (400V)100A · 20m (400V)125A · 20m (400V)160A · 20m (400V)200A · 20m (400V)