550 Amp Cable Size at 100 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 550 A over 100 m (328.1 ft).
Copper Cable (≤3% Drop)400 mm²Drop: 5.1V (0.74%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 8.41V (1.22%)
Voltage at Load684.9 VLine Loss: 4855.1 W
Max Power & Breaker657.31 kW600A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 550A at 100m
| 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 | 1359.08 V (196.97%) | 0.0 V | 2241.85 V (324.91%) | 1294700.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 815.45 V (118.18%) | 0.0 V | 1345.11 V (194.94%) | 776820.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 509.66 V (73.86%) | 180.3 V | 840.69 V (121.84%) | 485512.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 339.77 V (49.24%) | 350.2 V | 560.46 V (81.23%) | 323675.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 203.86 V (29.55%) | 486.1 V | 336.28 V (48.74%) | 194205.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 127.41 V (18.47%) | 562.6 V | 210.17 V (30.46%) | 121378.1 W | Drop High |
| 25 mm² | 101 A | 78 A | 81.54 V (11.82%) | 608.5 V | 134.51 V (19.49%) | 77682.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 58.25 V (8.44%) | 631.8 V | 96.08 V (13.92%) | 55487.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 40.77 V (5.91%) | 649.2 V | 67.26 V (9.75%) | 38841.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 29.12 V (4.22%) | 660.9 V | 48.04 V (6.96%) | 27743.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 21.46 V (3.11%) | 668.5 V | 35.4 V (5.13%) | 20442.6 W | Drop High |
| 120 mm² | 269 A | 210 A | 16.99 V (2.46%) | 673.0 V | 28.02 V (4.06%) | 16183.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 13.59 V (1.97%) | 676.4 V | 22.42 V (3.25%) | 12947.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 11.02 V (1.6%) | 679.0 V | 18.18 V (2.63%) | 10497.6 W | Drop High |
| 240 mm² | 415 A | 324 A | 8.49 V (1.23%) | 681.5 V | 14.01 V (2.03%) | 8091.9 W | Drop High |
| 300 mm² | 477 A | 372 A | 6.8 V (0.98%) | 683.2 V | 11.21 V (1.62%) | 6473.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 5.1 V (0.74%) | 684.9 V | 8.41 V (1.22%) | 4855.1 W | ✓ OK (≤3%) |
FAQ — 550 Amp Cable Size at 100 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 550A at 100 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 550A over 100m at 690V (voltage drop: 5.1V or 0.74%).
What is the power capacity of 550A at 690V?
At unity power factor, 550A at 690V supports 657.31 kW with a standard 600A circuit breaker.
Related Lengths & Currents (690V)
550A · 5m (690V)550A · 10m (690V)550A · 15m (690V)550A · 20m (690V)550A · 25m (690V)550A · 30m (690V)550A · 35m (690V)550A · 40m (690V)550A · 45m (690V)550A · 50m (690V)550A · 60m (690V)550A · 70m (690V)10A · 100m (690V)16A · 100m (690V)20A · 100m (690V)25A · 100m (690V)32A · 100m (690V)40A · 100m (690V)50A · 100m (690V)63A · 100m (690V)80A · 100m (690V)100A · 100m (690V)125A · 100m (690V)160A · 100m (690V)200A · 100m (690V)