450 Amp Cable Size at 200 Meters (400V Three-Phase (IEC European Grid))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 450 A over 200 m (656.2 ft).
Copper Cable (≤3% Drop)300 mm²Drop: 11.12V (2.78%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 13.76V (3.44%)
Voltage at Load388.9 VLine Loss: 8667.0 W
Max Power & Breaker311.77 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 450A at 200m
| 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 | 2223.95 V (555.99%) | 0.0 V | 3668.48 V (917.12%) | 1733400.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1334.37 V (333.59%) | 0.0 V | 2201.09 V (550.27%) | 1040040.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 833.98 V (208.5%) | 0.0 V | 1375.68 V (343.92%) | 650025.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 555.99 V (139.0%) | 0.0 V | 917.12 V (229.28%) | 433350.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 333.59 V (83.4%) | 66.4 V | 550.27 V (137.57%) | 260010.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 208.5 V (52.12%) | 191.5 V | 343.92 V (85.98%) | 162506.2 W | Drop High |
| 25 mm² | 101 A | 78 A | 133.44 V (33.36%) | 266.6 V | 220.11 V (55.03%) | 104004.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 95.31 V (23.83%) | 304.7 V | 157.22 V (39.31%) | 74288.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 66.72 V (16.68%) | 333.3 V | 110.05 V (27.51%) | 52002.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 47.66 V (11.91%) | 352.3 V | 78.61 V (19.65%) | 37144.3 W | Drop High |
| 95 mm² | 232 A | 181 A | 35.12 V (8.78%) | 364.9 V | 57.92 V (14.48%) | 27369.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 27.8 V (6.95%) | 372.2 V | 45.86 V (11.46%) | 21667.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 22.24 V (5.56%) | 377.8 V | 36.68 V (9.17%) | 17334.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 18.03 V (4.51%) | 382.0 V | 29.74 V (7.44%) | 14054.6 W | Drop High |
| 240 mm² | 415 A | 324 A | 13.9 V (3.47%) | 386.1 V | 22.93 V (5.73%) | 10833.7 W | Drop High |
| 300 mm² | 477 A | 372 A | 11.12 V (2.78%) | 388.9 V | 18.34 V (4.59%) | 8667.0 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 8.34 V (2.08%) | 391.7 V | 13.76 V (3.44%) | 6500.2 W | ✓ OK (≤3%) |
FAQ — 450 Amp Cable Size at 200 Meters (400V Three-Phase (IEC European Grid))
What mm² cable size is required for 450A at 200 meters (400V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 300 mm² copper cable for 450A over 200m at 400V (voltage drop: 11.12V or 2.78%).
What is the power capacity of 450A at 400V?
At unity power factor, 450A at 400V supports 311.77 kW with a standard 450A circuit breaker.
Related Lengths & Currents (400V)
450A · 5m (400V)450A · 10m (400V)450A · 15m (400V)450A · 20m (400V)450A · 25m (400V)450A · 30m (400V)450A · 35m (400V)450A · 40m (400V)450A · 45m (400V)450A · 50m (400V)450A · 60m (400V)450A · 70m (400V)10A · 200m (400V)16A · 200m (400V)20A · 200m (400V)25A · 200m (400V)32A · 200m (400V)40A · 200m (400V)50A · 200m (400V)63A · 200m (400V)80A · 200m (400V)100A · 200m (400V)125A · 200m (400V)160A · 200m (400V)200A · 200m (400V)