900 Amp Cable Size at 200 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 200 m (656.2 ft).
Copper Cable (≤3% Drop)27× 400 mm²Drop: 0.71V (2.97%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 31.77V (132.38%)
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 200m
| 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 | 5136.0 V (21400.0%) | 0.0 V | 8472.0 V (35300.0%) | 4622400.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 3081.6 V (12840.0%) | 0.0 V | 5083.2 V (21180.0%) | 2773440.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 1926.0 V (8025.0%) | 0.0 V | 3177.0 V (13237.5%) | 1733400.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 1284.0 V (5350.0%) | 0.0 V | 2118.0 V (8825.0%) | 1155600.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 770.4 V (3210.0%) | 0.0 V | 1270.8 V (5295.0%) | 693360.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 481.5 V (2006.25%) | 0.0 V | 794.25 V (3309.38%) | 433350.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 308.16 V (1284.0%) | 0.0 V | 508.32 V (2118.0%) | 277344.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 220.11 V (917.14%) | 0.0 V | 363.09 V (1512.86%) | 198102.9 W | Drop High |
| 50 mm² | 151 A | 118 A | 154.08 V (642.0%) | 0.0 V | 254.16 V (1059.0%) | 138672.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 110.06 V (458.57%) | 0.0 V | 181.54 V (756.43%) | 99051.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 81.09 V (337.89%) | 0.0 V | 133.77 V (557.37%) | 72985.3 W | Drop High |
| 120 mm² | 269 A | 210 A | 64.2 V (267.5%) | 0.0 V | 105.9 V (441.25%) | 57780.0 W | Drop High |
| 150 mm² | 309 A | 241 A | 51.36 V (214.0%) | 0.0 V | 84.72 V (353.0%) | 46224.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 41.64 V (173.51%) | 0.0 V | 68.69 V (286.22%) | 37478.9 W | Drop High |
| 240 mm² | 415 A | 324 A | 32.1 V (133.75%) | 0.0 V | 52.95 V (220.62%) | 28890.0 W | Drop High |
| 300 mm² | 477 A | 372 A | 25.68 V (107.0%) | 0.0 V | 42.36 V (176.5%) | 23112.0 W | Drop High |
| 400 mm² | 570 A | 445 A | 19.26 V (80.25%) | 4.7 V | 31.77 V (132.38%) | 17334.0 W | Drop High |
FAQ — 900 Amp Cable Size at 200 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 900A at 200 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 27× 400 mm² copper cable for 900A over 200m 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 · 200m (24V)16A · 200m (24V)20A · 200m (24V)25A · 200m (24V)32A · 200m (24V)40A · 200m (24V)50A · 200m (24V)63A · 200m (24V)80A · 200m (24V)100A · 200m (24V)125A · 200m (24V)160A · 200m (24V)200A · 200m (24V)