150 Amp Cable Size at 15 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 15 m (49.2 ft).
Copper Cable (≤3% Drop)150 mm²Drop: 0.64V (2.67%)
Aluminum Cable (≤3% Drop)240 mm²Drop: 0.66V (2.76%)
Voltage at Load23.4 VLine Loss: 96.3 W
Max Power & Breaker3.6 kW150A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 150A at 15m
| 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 | 64.2 V (267.5%) | 0.0 V | 105.9 V (441.25%) | 9630.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 38.52 V (160.5%) | 0.0 V | 63.54 V (264.75%) | 5778.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 24.07 V (100.31%) | 0.0 V | 39.71 V (165.47%) | 3611.2 W | Drop High |
| 6 mm² | 41 A | 32 A | 16.05 V (66.88%) | 7.9 V | 26.47 V (110.31%) | 2407.5 W | Drop High |
| 10 mm² | 57 A | 44 A | 9.63 V (40.13%) | 14.4 V | 15.88 V (66.19%) | 1444.5 W | Drop High |
| 16 mm² | 76 A | 59 A | 6.02 V (25.08%) | 18.0 V | 9.93 V (41.37%) | 902.8 W | Drop High |
| 25 mm² | 101 A | 78 A | 3.85 V (16.05%) | 20.1 V | 6.35 V (26.47%) | 577.8 W | Drop High |
| 35 mm² | 125 A | 97 A | 2.75 V (11.46%) | 21.2 V | 4.54 V (18.91%) | 412.7 W | Drop High |
| 50 mm² | 151 A | 118 A | 1.93 V (8.03%) | 22.1 V | 3.18 V (13.24%) | 288.9 W | Drop High |
| 70 mm² | 192 A | 150 A | 1.38 V (5.73%) | 22.6 V | 2.27 V (9.46%) | 206.4 W | Drop High |
| 95 mm² | 232 A | 181 A | 1.01 V (4.22%) | 23.0 V | 1.67 V (6.97%) | 152.1 W | ~ ≤5% |
| 120 mm² | 269 A | 210 A | 0.8 V (3.34%) | 23.2 V | 1.32 V (5.52%) | 120.4 W | ~ ≤5% |
| 150 mm² | 309 A | 241 A | 0.64 V (2.67%) | 23.4 V | 1.06 V (4.41%) | 96.3 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.52 V (2.17%) | 23.5 V | 0.86 V (3.58%) | 78.1 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.4 V (1.67%) | 23.6 V | 0.66 V (2.76%) | 60.2 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.32 V (1.34%) | 23.7 V | 0.53 V (2.21%) | 48.1 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.24 V (1.0%) | 23.8 V | 0.4 V (1.65%) | 36.1 W | ✓ OK (≤3%) |
FAQ — 150 Amp Cable Size at 15 Meters (24V DC (Off-Grid Solar / Industrial Control))
What mm² cable size is required for 150A at 15 meters (24V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 150 mm² copper cable for 150A over 15m at 24V (voltage drop: 0.64V or 2.67%).
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 · 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 · 15m (24V)16A · 15m (24V)20A · 15m (24V)25A · 15m (24V)32A · 15m (24V)40A · 15m (24V)50A · 15m (24V)63A · 15m (24V)80A · 15m (24V)100A · 15m (24V)125A · 15m (24V)160A · 15m (24V)200A · 15m (24V)