700 Amp Cable Size at 600 Meters (24V DC (Off-Grid Solar / Industrial Control))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 700 A over 600 m (1968.5 ft).
Copper Cable (≤3% Drop)63× 400 mm²Drop: 0.71V (2.97%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 74.13V (308.87%)
Voltage at Load23.3 VLine Loss: 499.3 W
Max Power & Breaker16.8 kW700A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 700A 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 | 11984.0 V (49933.33%) | 0.0 V | 19768.0 V (82366.67%) | 8388800.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 7190.4 V (29960.0%) | 0.0 V | 11860.8 V (49420.0%) | 5033280.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 4494.0 V (18725.0%) | 0.0 V | 7413.0 V (30887.5%) | 3145800.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 2996.0 V (12483.33%) | 0.0 V | 4942.0 V (20591.67%) | 2097200.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1797.6 V (7490.0%) | 0.0 V | 2965.2 V (12355.0%) | 1258320.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 1123.5 V (4681.25%) | 0.0 V | 1853.25 V (7721.88%) | 786450.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 719.04 V (2996.0%) | 0.0 V | 1186.08 V (4942.0%) | 503328.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 513.6 V (2140.0%) | 0.0 V | 847.2 V (3530.0%) | 359520.0 W | Drop High |
| 50 mm² | 151 A | 118 A | 359.52 V (1498.0%) | 0.0 V | 593.04 V (2471.0%) | 251664.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 256.8 V (1070.0%) | 0.0 V | 423.6 V (1765.0%) | 179760.0 W | Drop High |
| 95 mm² | 232 A | 181 A | 189.22 V (788.42%) | 0.0 V | 312.13 V (1300.53%) | 132454.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 149.8 V (624.17%) | 0.0 V | 247.1 V (1029.58%) | 104860.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 119.84 V (499.33%) | 0.0 V | 197.68 V (823.67%) | 83888.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 97.17 V (404.86%) | 0.0 V | 160.28 V (667.84%) | 68017.3 W | Drop High |
| 240 mm² | 415 A | 324 A | 74.9 V (312.08%) | 0.0 V | 123.55 V (514.79%) | 52430.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 59.92 V (249.67%) | 0.0 V | 98.84 V (411.83%) | 41944.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 44.94 V (187.25%) | 0.0 V | 74.13 V (308.87%) | 31458.0 W | Drop High |
FAQ — 700 Amp Cable Size at 600 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 700A at 600 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 63× 400 mm² copper cable for 700A over 600m at 24V (voltage drop: 0.71V or 2.97%).
What is the power capacity of 700A at 24V?
At unity power factor, 700A at 24V supports 16.8 kW with a standard 700A circuit breaker.
Related Lengths & Currents (24V)
700A · 5m (24V)700A · 10m (24V)700A · 15m (24V)700A · 20m (24V)700A · 25m (24V)700A · 30m (24V)700A · 35m (24V)700A · 40m (24V)700A · 45m (24V)700A · 50m (24V)700A · 60m (24V)700A · 70m (24V)10A · 600m (24V)16A · 600m (24V)20A · 600m (24V)25A · 600m (24V)32A · 600m (24V)40A · 600m (24V)50A · 600m (24V)63A · 600m (24V)80A · 600m (24V)100A · 600m (24V)125A · 600m (24V)160A · 600m (24V)200A · 600m (24V)