425 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 425 A over 200 m (656.2 ft).
Copper Cable (≤3% Drop)13× 400 mm²Drop: 0.7V (2.92%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 15.0V (62.51%)
Voltage at Load23.3 VLine Loss: 297.3 W
Max Power & Breaker10.2 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 425A 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 | 2425.33 V (10105.56%) | 0.0 V | 4000.67 V (16669.44%) | 1030766.7 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 1455.2 V (6063.33%) | 0.0 V | 2400.4 V (10001.67%) | 618460.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 909.5 V (3789.58%) | 0.0 V | 1500.25 V (6251.04%) | 386537.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 606.33 V (2526.39%) | 0.0 V | 1000.17 V (4167.36%) | 257691.7 W | Drop High |
| 10 mm² | 57 A | 44 A | 363.8 V (1515.83%) | 0.0 V | 600.1 V (2500.42%) | 154615.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 227.37 V (947.4%) | 0.0 V | 375.06 V (1562.76%) | 96634.4 W | Drop High |
| 25 mm² | 101 A | 78 A | 145.52 V (606.33%) | 0.0 V | 240.04 V (1000.17%) | 61846.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 103.94 V (433.1%) | 0.0 V | 171.46 V (714.4%) | 44175.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 72.76 V (303.17%) | 0.0 V | 120.02 V (500.08%) | 30923.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 51.97 V (216.55%) | 0.0 V | 85.73 V (357.2%) | 22087.9 W | Drop High |
| 95 mm² | 232 A | 181 A | 38.29 V (159.56%) | 0.0 V | 63.17 V (263.2%) | 16275.3 W | Drop High |
| 120 mm² | 269 A | 210 A | 30.32 V (126.32%) | 0.0 V | 50.01 V (208.37%) | 12884.6 W | Drop High |
| 150 mm² | 309 A | 241 A | 24.25 V (101.06%) | 0.0 V | 40.01 V (166.69%) | 10307.7 W | Drop High |
| 185 mm² | 353 A | 275 A | 19.66 V (81.94%) | 4.3 V | 32.44 V (135.16%) | 8357.6 W | Drop High |
| 240 mm² | 415 A | 324 A | 15.16 V (63.16%) | 8.8 V | 25.0 V (104.18%) | 6442.3 W | Drop High |
| 300 mm² | 477 A | 372 A | 12.13 V (50.53%) | 11.9 V | 20.0 V (83.35%) | 5153.8 W | Drop High |
| 400 mm² | 570 A | 445 A | 9.09 V (37.9%) | 14.9 V | 15.0 V (62.51%) | 3865.4 W | Drop High |
FAQ — 425 Amp Cable Size at 200 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 425A at 200 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 13× 400 mm² copper cable for 425A over 200m at 24V (voltage drop: 0.7V or 2.92%).
What is the power capacity of 425A at 24V?
At unity power factor, 425A at 24V supports 10.2 kW with a standard 450A circuit breaker.
Related Lengths & Currents (24V)
425A · 5m (24V)425A · 10m (24V)425A · 15m (24V)425A · 20m (24V)425A · 25m (24V)425A · 30m (24V)425A · 35m (24V)425A · 40m (24V)425A · 45m (24V)425A · 50m (24V)425A · 60m (24V)425A · 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)