900 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 900 A over 600 m (1968.5 ft).
Copper Cable (≤3% Drop)81× 400 mm²Drop: 0.71V (2.97%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 95.31V (397.12%)
Voltage at Load23.3 VLine Loss: 642.0 W
Max Power & Breaker21.6 kW1000A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 900A 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 | 15408.0 V (64200.0%) | 0.0 V | 25416.0 V (105900.0%) | 13867200.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 9244.8 V (38520.0%) | 0.0 V | 15249.6 V (63540.0%) | 8320320.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 5778.0 V (24075.0%) | 0.0 V | 9531.0 V (39712.5%) | 5200200.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 3852.0 V (16050.0%) | 0.0 V | 6354.0 V (26475.0%) | 3466800.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 2311.2 V (9630.0%) | 0.0 V | 3812.4 V (15885.0%) | 2080080.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 1444.5 V (6018.75%) | 0.0 V | 2382.75 V (9928.12%) | 1300050.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 924.48 V (3852.0%) | 0.0 V | 1524.96 V (6354.0%) | 832032.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 660.34 V (2751.43%) | 0.0 V | 1089.26 V (4538.57%) | 594308.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 462.24 V (1926.0%) | 0.0 V | 762.48 V (3177.0%) | 416016.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 330.17 V (1375.71%) | 0.0 V | 544.63 V (2269.29%) | 297154.3 W | Drop High |
| 95 mm² | 232 A | 181 A | 243.28 V (1013.68%) | 0.0 V | 401.31 V (1672.11%) | 218955.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 192.6 V (802.5%) | 0.0 V | 317.7 V (1323.75%) | 173340.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 154.08 V (642.0%) | 0.0 V | 254.16 V (1059.0%) | 138672.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 124.93 V (520.54%) | 0.0 V | 206.08 V (858.65%) | 112436.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 96.3 V (401.25%) | 0.0 V | 158.85 V (661.88%) | 86670.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 77.04 V (321.0%) | 0.0 V | 127.08 V (529.5%) | 69336.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 57.78 V (240.75%) | 0.0 V | 95.31 V (397.12%) | 52002.0 W | Drop High |
FAQ — 900 Amp Cable Size at 600 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 900A at 600 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 81× 400 mm² copper cable for 900A over 600m at 24V (voltage drop: 0.71V or 2.97%).
What is the power capacity of 900A at 24V?
At unity power factor, 900A at 24V supports 21.6 kW with a standard 1000A circuit breaker.
Related Lengths & Currents (24V)
900A · 5m (24V)900A · 10m (24V)900A · 15m (24V)900A · 20m (24V)900A · 25m (24V)900A · 30m (24V)900A · 35m (24V)900A · 40m (24V)900A · 45m (24V)900A · 50m (24V)900A · 60m (24V)900A · 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)