160 Amp Cable Size at 20 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 20 m (65.6 ft).
Copper Cable (≤3% Drop)240 mm²Drop: 0.57V (2.38%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.56V (2.35%)
Voltage at Load23.4 VLine Loss: 91.3 W
Max Power & Breaker3.84 kW160A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 160A at 20m
| 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 | 91.31 V (380.44%) | 0.0 V | 150.61 V (627.56%) | 14609.1 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 54.78 V (228.27%) | 0.0 V | 90.37 V (376.53%) | 8765.4 W | Drop High |
| 4 mm² | 32 A | 25 A | 34.24 V (142.67%) | 0.0 V | 56.48 V (235.33%) | 5478.4 W | Drop High |
| 6 mm² | 41 A | 32 A | 22.83 V (95.11%) | 1.2 V | 37.65 V (156.89%) | 3652.3 W | Drop High |
| 10 mm² | 57 A | 44 A | 13.7 V (57.07%) | 10.3 V | 22.59 V (94.13%) | 2191.4 W | Drop High |
| 16 mm² | 76 A | 59 A | 8.56 V (35.67%) | 15.4 V | 14.12 V (58.83%) | 1369.6 W | Drop High |
| 25 mm² | 101 A | 78 A | 5.48 V (22.83%) | 18.5 V | 9.04 V (37.65%) | 876.5 W | Drop High |
| 35 mm² | 125 A | 97 A | 3.91 V (16.3%) | 20.1 V | 6.45 V (26.9%) | 626.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 2.74 V (11.41%) | 21.3 V | 4.52 V (18.83%) | 438.3 W | Drop High |
| 70 mm² | 192 A | 150 A | 1.96 V (8.15%) | 22.0 V | 3.23 V (13.45%) | 313.1 W | Drop High |
| 95 mm² | 232 A | 181 A | 1.44 V (6.01%) | 22.6 V | 2.38 V (9.91%) | 230.7 W | Drop High |
| 120 mm² | 269 A | 210 A | 1.14 V (4.76%) | 22.9 V | 1.88 V (7.84%) | 182.6 W | ~ ≤5% |
| 150 mm² | 309 A | 241 A | 0.91 V (3.8%) | 23.1 V | 1.51 V (6.28%) | 146.1 W | ~ ≤5% |
| 185 mm² | 353 A | 275 A | 0.74 V (3.08%) | 23.3 V | 1.22 V (5.09%) | 118.5 W | ~ ≤5% |
| 240 mm² | 415 A | 324 A | 0.57 V (2.38%) | 23.4 V | 0.94 V (3.92%) | 91.3 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.46 V (1.9%) | 23.5 V | 0.75 V (3.14%) | 73.0 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.34 V (1.43%) | 23.7 V | 0.56 V (2.35%) | 54.8 W | ✓ OK (≤3%) |
FAQ — 160 Amp Cable Size at 20 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 160A at 20 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 240 mm² copper cable for 160A over 20m at 24V (voltage drop: 0.57V or 2.38%).
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 · 25m (24V)160A · 30m (24V)160A · 35m (24V)160A · 40m (24V)160A · 45m (24V)160A · 50m (24V)160A · 60m (24V)160A · 70m (24V)10A · 20m (24V)16A · 20m (24V)20A · 20m (24V)25A · 20m (24V)32A · 20m (24V)40A · 20m (24V)50A · 20m (24V)63A · 20m (24V)80A · 20m (24V)100A · 20m (24V)125A · 20m (24V)200A · 20m (24V)