425 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 425 A over 600 m (1968.5 ft).
Copper Cable (≤3% Drop)38× 400 mm²Drop: 0.72V (2.99%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 45.01V (187.53%)
Voltage at Load23.3 VLine Loss: 305.2 W
Max Power & Breaker10.2 kW450A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 425A 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 | 7276.0 V (30316.67%) | 0.0 V | 12002.0 V (50008.33%) | 3092300.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 4365.6 V (18190.0%) | 0.0 V | 7201.2 V (30005.0%) | 1855380.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 2728.5 V (11368.75%) | 0.0 V | 4500.75 V (18753.12%) | 1159612.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 1819.0 V (7579.17%) | 0.0 V | 3000.5 V (12502.08%) | 773075.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 1091.4 V (4547.5%) | 0.0 V | 1800.3 V (7501.25%) | 463845.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 682.12 V (2842.19%) | 0.0 V | 1125.19 V (4688.28%) | 289903.1 W | Drop High |
| 25 mm² | 101 A | 78 A | 436.56 V (1819.0%) | 0.0 V | 720.12 V (3000.5%) | 185538.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 311.83 V (1299.29%) | 0.0 V | 514.37 V (2143.21%) | 132527.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 218.28 V (909.5%) | 0.0 V | 360.06 V (1500.25%) | 92769.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 155.91 V (649.64%) | 0.0 V | 257.19 V (1071.61%) | 66263.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 114.88 V (478.68%) | 0.0 V | 189.51 V (789.61%) | 48825.8 W | Drop High |
| 120 mm² | 269 A | 210 A | 90.95 V (378.96%) | 0.0 V | 150.03 V (625.1%) | 38653.8 W | Drop High |
| 150 mm² | 309 A | 241 A | 72.76 V (303.17%) | 0.0 V | 120.02 V (500.08%) | 30923.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 58.99 V (245.81%) | 0.0 V | 97.31 V (405.47%) | 25072.7 W | Drop High |
| 240 mm² | 415 A | 324 A | 45.48 V (189.48%) | 0.0 V | 75.01 V (312.55%) | 19326.9 W | Drop High |
| 300 mm² | 477 A | 372 A | 36.38 V (151.58%) | 0.0 V | 60.01 V (250.04%) | 15461.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 27.28 V (113.69%) | 0.0 V | 45.01 V (187.53%) | 11596.1 W | Drop High |
FAQ — 425 Amp Cable Size at 600 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 425A at 600 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 38× 400 mm² copper cable for 425A over 600m at 24V (voltage drop: 0.72V or 2.99%).
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 · 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)