150 Amp Cable Size at 150 Meters (24V DC (Off-Grid Solar / Industrial Control))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 150 A over 150 m (492.1 ft).
Copper Cable (≤3% Drop)4× 400 mm²Drop: 0.6V (2.51%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 3.97V (16.55%)
Voltage at Load23.4 VLine Loss: 90.3 W
Max Power & Breaker3.6 kW150A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 150A at 150m
| 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 | 642.0 V (2675.0%) | 0.0 V | 1059.0 V (4412.5%) | 96300.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 385.2 V (1605.0%) | 0.0 V | 635.4 V (2647.5%) | 57780.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 240.75 V (1003.12%) | 0.0 V | 397.12 V (1654.69%) | 36112.5 W | Drop High |
| 6 mm² | 41 A | 32 A | 160.5 V (668.75%) | 0.0 V | 264.75 V (1103.12%) | 24075.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 96.3 V (401.25%) | 0.0 V | 158.85 V (661.88%) | 14445.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 60.19 V (250.78%) | 0.0 V | 99.28 V (413.67%) | 9028.1 W | Drop High |
| 25 mm² | 101 A | 78 A | 38.52 V (160.5%) | 0.0 V | 63.54 V (264.75%) | 5778.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 27.51 V (114.64%) | 0.0 V | 45.39 V (189.11%) | 4127.1 W | Drop High |
| 50 mm² | 151 A | 118 A | 19.26 V (80.25%) | 4.7 V | 31.77 V (132.38%) | 2889.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 13.76 V (57.32%) | 10.2 V | 22.69 V (94.55%) | 2063.6 W | Drop High |
| 95 mm² | 232 A | 181 A | 10.14 V (42.24%) | 13.9 V | 16.72 V (69.67%) | 1520.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 8.03 V (33.44%) | 16.0 V | 13.24 V (55.16%) | 1203.8 W | Drop High |
| 150 mm² | 309 A | 241 A | 6.42 V (26.75%) | 17.6 V | 10.59 V (44.12%) | 963.0 W | Drop High |
| 185 mm² | 353 A | 275 A | 5.21 V (21.69%) | 18.8 V | 8.59 V (35.78%) | 780.8 W | Drop High |
| 240 mm² | 415 A | 324 A | 4.01 V (16.72%) | 20.0 V | 6.62 V (27.58%) | 601.9 W | Drop High |
| 300 mm² | 477 A | 372 A | 3.21 V (13.38%) | 20.8 V | 5.29 V (22.06%) | 481.5 W | Drop High |
| 400 mm² | 570 A | 445 A | 2.41 V (10.03%) | 21.6 V | 3.97 V (16.55%) | 361.1 W | Drop High |
FAQ — 150 Amp Cable Size at 150 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 150A at 150 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4× 400 mm² copper cable for 150A over 150m at 24V (voltage drop: 0.6V or 2.51%).
What is the power capacity of 150A at 24V?
At unity power factor, 150A at 24V supports 3.6 kW with a standard 150A circuit breaker.
Related Lengths & Currents (24V)
150A · 5m (24V)150A · 10m (24V)150A · 15m (24V)150A · 20m (24V)150A · 25m (24V)150A · 30m (24V)150A · 35m (24V)150A · 40m (24V)150A · 45m (24V)150A · 50m (24V)150A · 60m (24V)150A · 70m (24V)10A · 150m (24V)16A · 150m (24V)20A · 150m (24V)25A · 150m (24V)32A · 150m (24V)40A · 150m (24V)50A · 150m (24V)63A · 150m (24V)80A · 150m (24V)100A · 150m (24V)125A · 150m (24V)160A · 150m (24V)200A · 150m (24V)