350 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 350 A over 600 m (1968.5 ft).
Copper Cable (≤3% Drop)400 mm²Drop: 19.46V (2.82%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 32.1V (4.65%)
Voltage at Load670.5 VLine Loss: 11796.7 W
Max Power & Breaker418.29 kW350A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 350A 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 | 5189.22 V (752.06%) | 0.0 V | 8559.8 V (1240.55%) | 3145800.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 3113.53 V (451.24%) | 0.0 V | 5135.88 V (744.33%) | 1887480.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 1945.96 V (282.02%) | 0.0 V | 3209.92 V (465.21%) | 1179675.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 1297.31 V (188.02%) | 0.0 V | 2139.95 V (310.14%) | 786450.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 778.38 V (112.81%) | 0.0 V | 1283.97 V (186.08%) | 471870.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 486.49 V (70.51%) | 203.5 V | 802.48 V (116.3%) | 294918.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 311.35 V (45.12%) | 378.6 V | 513.59 V (74.43%) | 188748.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 222.4 V (32.23%) | 467.6 V | 366.85 V (53.17%) | 134820.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 155.68 V (22.56%) | 534.3 V | 256.79 V (37.22%) | 94374.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 111.2 V (16.12%) | 578.8 V | 183.42 V (26.58%) | 67410.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 81.94 V (11.87%) | 608.1 V | 135.15 V (19.59%) | 49670.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 64.87 V (9.4%) | 625.1 V | 107.0 V (15.51%) | 39322.5 W | Drop High |
| 150 mm² | 309 A | 241 A | 51.89 V (7.52%) | 638.1 V | 85.6 V (12.41%) | 31458.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 42.07 V (6.1%) | 647.9 V | 69.4 V (10.06%) | 25506.5 W | Drop High |
| 240 mm² | 415 A | 324 A | 32.43 V (4.7%) | 657.6 V | 53.5 V (7.75%) | 19661.2 W | ~ ≤5% |
| 300 mm² | 477 A | 372 A | 25.95 V (3.76%) | 664.1 V | 42.8 V (6.2%) | 15729.0 W | ~ ≤5% |
| 400 mm² | 570 A | 445 A | 19.46 V (2.82%) | 670.5 V | 32.1 V (4.65%) | 11796.7 W | ✓ OK (≤3%) |
FAQ — 350 Amp Cable Size at 600 Meters (690V Three-Phase (Wind / Heavy Industrial))
What mm² cable size is required for 350A at 600 meters (690V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 400 mm² copper cable for 350A over 600m at 690V (voltage drop: 19.46V or 2.82%).
What is the power capacity of 350A at 690V?
At unity power factor, 350A at 690V supports 418.29 kW with a standard 350A circuit breaker.
Related Lengths & Currents (690V)
350A · 5m (690V)350A · 10m (690V)350A · 15m (690V)350A · 20m (690V)350A · 25m (690V)350A · 30m (690V)350A · 35m (690V)350A · 40m (690V)350A · 45m (690V)350A · 50m (690V)350A · 60m (690V)350A · 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)