550 Amp Cable Size at 30 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 550 A over 30 m (98.4 ft).
Copper Cable (≤3% Drop)400 mm²Drop: 1.77V (0.77%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 2.91V (1.27%)
Voltage at Load228.2 VLine Loss: 971.0 W
Max Power & Breaker126.5 kW600A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 550A at 30m
| 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 | 470.8 V (204.7%) | 0.0 V | 776.6 V (337.65%) | 258940.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 282.48 V (122.82%) | 0.0 V | 465.96 V (202.59%) | 155364.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 176.55 V (76.76%) | 53.4 V | 291.22 V (126.62%) | 97102.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 117.7 V (51.17%) | 112.3 V | 194.15 V (84.41%) | 64735.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 70.62 V (30.7%) | 159.4 V | 116.49 V (50.65%) | 38841.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 44.14 V (19.19%) | 185.9 V | 72.81 V (31.65%) | 24275.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 28.25 V (12.28%) | 201.8 V | 46.6 V (20.26%) | 15536.4 W | Drop High |
| 35 mm² | 125 A | 97 A | 20.18 V (8.77%) | 209.8 V | 33.28 V (14.47%) | 11097.4 W | Drop High |
| 50 mm² | 151 A | 118 A | 14.12 V (6.14%) | 215.9 V | 23.3 V (10.13%) | 7768.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 10.09 V (4.39%) | 219.9 V | 16.64 V (7.24%) | 5548.7 W | Drop High |
| 95 mm² | 232 A | 181 A | 7.43 V (3.23%) | 222.6 V | 12.26 V (5.33%) | 4088.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 5.88 V (2.56%) | 224.1 V | 9.71 V (4.22%) | 3236.8 W | Drop High |
| 150 mm² | 309 A | 241 A | 4.71 V (2.05%) | 225.3 V | 7.77 V (3.38%) | 2589.4 W | Drop High |
| 185 mm² | 353 A | 275 A | 3.82 V (1.66%) | 226.2 V | 6.3 V (2.74%) | 2099.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 2.94 V (1.28%) | 227.1 V | 4.85 V (2.11%) | 1618.4 W | Drop High |
| 300 mm² | 477 A | 372 A | 2.35 V (1.02%) | 227.6 V | 3.88 V (1.69%) | 1294.7 W | Drop High |
| 400 mm² | 570 A | 445 A | 1.77 V (0.77%) | 228.2 V | 2.91 V (1.27%) | 971.0 W | ✓ OK (≤3%) |
FAQ — 550 Amp Cable Size at 30 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 550A at 30 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 550A over 30m at 230V (voltage drop: 1.77V or 0.77%).
What is the power capacity of 550A at 230V?
At unity power factor, 550A at 230V supports 126.5 kW with a standard 600A circuit breaker.
Related Lengths & Currents (230V)
550A · 5m (230V)550A · 10m (230V)550A · 15m (230V)550A · 20m (230V)550A · 25m (230V)550A · 35m (230V)550A · 40m (230V)550A · 45m (230V)550A · 50m (230V)550A · 60m (230V)550A · 70m (230V)10A · 30m (230V)16A · 30m (230V)20A · 30m (230V)25A · 30m (230V)32A · 30m (230V)40A · 30m (230V)50A · 30m (230V)63A · 30m (230V)80A · 30m (230V)100A · 30m (230V)125A · 30m (230V)160A · 30m (230V)200A · 30m (230V)