160 Amp Cable Size at 120 Meters (24V DC (Off-Grid Solar / Industrial Control))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 160 A over 120 m (393.7 ft).
Copper Cable (≤3% Drop)3× 400 mm²Drop: 0.68V (2.85%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 3.39V (14.12%)
Voltage at Load23.3 VLine Loss: 109.6 W
Max Power & Breaker3.84 kW160A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 160A at 120m
| 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 | 547.84 V (2282.67%) | 0.0 V | 903.68 V (3765.33%) | 87654.4 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 328.7 V (1369.6%) | 0.0 V | 542.21 V (2259.2%) | 52592.6 W | Drop High |
| 4 mm² | 32 A | 25 A | 205.44 V (856.0%) | 0.0 V | 338.88 V (1412.0%) | 32870.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 136.96 V (570.67%) | 0.0 V | 225.92 V (941.33%) | 21913.6 W | Drop High |
| 10 mm² | 57 A | 44 A | 82.18 V (342.4%) | 0.0 V | 135.55 V (564.8%) | 13148.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 51.36 V (214.0%) | 0.0 V | 84.72 V (353.0%) | 8217.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 32.87 V (136.96%) | 0.0 V | 54.22 V (225.92%) | 5259.3 W | Drop High |
| 35 mm² | 125 A | 97 A | 23.48 V (97.83%) | 0.5 V | 38.73 V (161.37%) | 3756.6 W | Drop High |
| 50 mm² | 151 A | 118 A | 16.44 V (68.48%) | 7.6 V | 27.11 V (112.96%) | 2629.6 W | Drop High |
| 70 mm² | 192 A | 150 A | 11.74 V (48.91%) | 12.3 V | 19.36 V (80.69%) | 1878.3 W | Drop High |
| 95 mm² | 232 A | 181 A | 8.65 V (36.04%) | 15.3 V | 14.27 V (59.45%) | 1384.0 W | Drop High |
| 120 mm² | 269 A | 210 A | 6.85 V (28.53%) | 17.2 V | 11.3 V (47.07%) | 1095.7 W | Drop High |
| 150 mm² | 309 A | 241 A | 5.48 V (22.83%) | 18.5 V | 9.04 V (37.65%) | 876.5 W | Drop High |
| 185 mm² | 353 A | 275 A | 4.44 V (18.51%) | 19.6 V | 7.33 V (30.53%) | 710.7 W | Drop High |
| 240 mm² | 415 A | 324 A | 3.42 V (14.27%) | 20.6 V | 5.65 V (23.53%) | 547.8 W | Drop High |
| 300 mm² | 477 A | 372 A | 2.74 V (11.41%) | 21.3 V | 4.52 V (18.83%) | 438.3 W | Drop High |
| 400 mm² | 570 A | 445 A | 2.05 V (8.56%) | 21.9 V | 3.39 V (14.12%) | 328.7 W | Drop High |
FAQ — 160 Amp Cable Size at 120 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 160A at 120 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 160A over 120m at 24V (voltage drop: 0.68V or 2.85%).
What is the power capacity of 160A at 24V?
At unity power factor, 160A at 24V supports 3.84 kW with a standard 160A circuit breaker.
Related Lengths & Currents (24V)
160A · 5m (24V)160A · 10m (24V)160A · 15m (24V)160A · 20m (24V)160A · 25m (24V)160A · 30m (24V)160A · 35m (24V)160A · 40m (24V)160A · 45m (24V)160A · 50m (24V)160A · 60m (24V)160A · 70m (24V)10A · 120m (24V)16A · 120m (24V)20A · 120m (24V)25A · 120m (24V)32A · 120m (24V)40A · 120m (24V)50A · 120m (24V)63A · 120m (24V)80A · 120m (24V)100A · 120m (24V)125A · 120m (24V)200A · 120m (24V)