800 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 800 A over 600 m (1968.5 ft).
Copper Cable (≤3% Drop)72× 400 mm²Drop: 0.71V (2.97%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 84.72V (353.0%)
Voltage at Load23.3 VLine Loss: 570.7 W
Max Power & Breaker19.2 kW800A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 800A 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 | 13696.0 V (57066.67%) | 0.0 V | 22592.0 V (94133.33%) | 10956800.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 8217.6 V (34240.0%) | 0.0 V | 13555.2 V (56480.0%) | 6574080.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 5136.0 V (21400.0%) | 0.0 V | 8472.0 V (35300.0%) | 4108800.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 3424.0 V (14266.67%) | 0.0 V | 5648.0 V (23533.33%) | 2739200.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 2054.4 V (8560.0%) | 0.0 V | 3388.8 V (14120.0%) | 1643520.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 1284.0 V (5350.0%) | 0.0 V | 2118.0 V (8825.0%) | 1027200.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 821.76 V (3424.0%) | 0.0 V | 1355.52 V (5648.0%) | 657408.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 586.97 V (2445.71%) | 0.0 V | 968.23 V (4034.29%) | 469577.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 410.88 V (1712.0%) | 0.0 V | 677.76 V (2824.0%) | 328704.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 293.49 V (1222.86%) | 0.0 V | 484.11 V (2017.14%) | 234788.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 216.25 V (901.05%) | 0.0 V | 356.72 V (1486.32%) | 173002.1 W | Drop High |
| 120 mm² | 269 A | 210 A | 171.2 V (713.33%) | 0.0 V | 282.4 V (1176.67%) | 136960.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 136.96 V (570.67%) | 0.0 V | 225.92 V (941.33%) | 109568.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 111.05 V (462.7%) | 0.0 V | 183.18 V (763.24%) | 88838.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 85.6 V (356.67%) | 0.0 V | 141.2 V (588.33%) | 68480.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 68.48 V (285.33%) | 0.0 V | 112.96 V (470.67%) | 54784.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 51.36 V (214.0%) | 0.0 V | 84.72 V (353.0%) | 41088.0 W | Drop High |
FAQ — 800 Amp Cable Size at 600 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 800A at 600 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 72× 400 mm² copper cable for 800A over 600m at 24V (voltage drop: 0.71V or 2.97%).
What is the power capacity of 800A at 24V?
At unity power factor, 800A at 24V supports 19.2 kW with a standard 800A circuit breaker.
Related Lengths & Currents (24V)
800A · 5m (24V)800A · 10m (24V)800A · 15m (24V)800A · 20m (24V)800A · 25m (24V)800A · 30m (24V)800A · 35m (24V)800A · 40m (24V)800A · 45m (24V)800A · 50m (24V)800A · 60m (24V)800A · 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)