90 Amp Cable Size at 600 Meters (690V Three-Phase (Wind / Heavy Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 90 A over 600 m (1968.5 ft).
Copper Cable (≤3% Drop)120 mm²Drop: 16.68V (2.42%)
Aluminum Cable (≤3% Drop)185 mm²Drop: 17.85V (2.59%)
Voltage at Load673.3 VLine Loss: 2600.1 W
Max Power & Breaker107.56 kW90A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 90A at 600m
| 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 | 1334.37 V (193.39%) | 0.0 V | 2201.09 V (319.0%) | 208008.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 800.62 V (116.03%) | 0.0 V | 1320.65 V (191.4%) | 124804.8 W | Drop High |
| 4 mm² | 32 A | 25 A | 500.39 V (72.52%) | 189.6 V | 825.41 V (119.62%) | 78003.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 333.59 V (48.35%) | 356.4 V | 550.27 V (79.75%) | 52002.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 200.16 V (29.01%) | 489.8 V | 330.16 V (47.85%) | 31201.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 125.1 V (18.13%) | 564.9 V | 206.35 V (29.91%) | 19500.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 80.06 V (11.6%) | 609.9 V | 132.07 V (19.14%) | 12480.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 57.19 V (8.29%) | 632.8 V | 94.33 V (13.67%) | 8914.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 40.03 V (5.8%) | 650.0 V | 66.03 V (9.57%) | 6240.2 W | Drop High |
| 70 mm² | 192 A | 150 A | 28.59 V (4.14%) | 661.4 V | 47.17 V (6.84%) | 4457.3 W | ~ ≤5% |
| 95 mm² | 232 A | 181 A | 21.07 V (3.05%) | 668.9 V | 34.75 V (5.04%) | 3284.3 W | ~ ≤5% |
| 120 mm² | 269 A | 210 A | 16.68 V (2.42%) | 673.3 V | 27.51 V (3.99%) | 2600.1 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 13.34 V (1.93%) | 676.7 V | 22.01 V (3.19%) | 2080.1 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 10.82 V (1.57%) | 679.2 V | 17.85 V (2.59%) | 1686.6 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 8.34 V (1.21%) | 681.7 V | 13.76 V (1.99%) | 1300.0 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 6.67 V (0.97%) | 683.3 V | 11.01 V (1.59%) | 1040.0 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 5.0 V (0.73%) | 685.0 V | 8.25 V (1.2%) | 780.0 W | ✓ OK (≤3%) |
FAQ — 90 Amp Cable Size at 600 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 90A at 600 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 120 mm² copper cable for 90A over 600m at 690V (voltage drop: 16.68V or 2.42%).
What is the power capacity of 90A at 690V?
At unity power factor, 90A at 690V supports 107.56 kW with a standard 90A circuit breaker.
Related Lengths & Currents (690V)
90A · 5m (690V)90A · 10m (690V)90A · 15m (690V)90A · 20m (690V)90A · 25m (690V)90A · 30m (690V)90A · 35m (690V)90A · 40m (690V)90A · 45m (690V)90A · 50m (690V)90A · 60m (690V)90A · 70m (690V)10A · 600m (690V)16A · 600m (690V)20A · 600m (690V)25A · 600m (690V)32A · 600m (690V)40A · 600m (690V)50A · 600m (690V)63A · 600m (690V)80A · 600m (690V)100A · 600m (690V)125A · 600m (690V)160A · 600m (690V)200A · 600m (690V)