110 Amp Cable Size at 120 Meters (415V Three-Phase (UK / Australia Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 110 A over 120 m (393.7 ft).
Copper Cable (≤3% Drop)50 mm²Drop: 9.79V (2.36%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 11.53V (2.78%)
Voltage at Load405.2 VLine Loss: 1864.4 W
Max Power & Breaker79.07 kW110A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 110A 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 | 326.18 V (78.6%) | 88.8 V | 538.04 V (129.65%) | 62145.6 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 195.71 V (47.16%) | 219.3 V | 322.83 V (77.79%) | 37287.4 W | Drop High |
| 4 mm² | 32 A | 25 A | 122.32 V (29.47%) | 292.7 V | 201.77 V (48.62%) | 23304.6 W | Drop High |
| 6 mm² | 41 A | 32 A | 81.54 V (19.65%) | 333.5 V | 134.51 V (32.41%) | 15536.4 W | Drop High |
| 10 mm² | 57 A | 44 A | 48.93 V (11.79%) | 366.1 V | 80.71 V (19.45%) | 9321.8 W | Drop High |
| 16 mm² | 76 A | 59 A | 30.58 V (7.37%) | 384.4 V | 50.44 V (12.15%) | 5826.2 W | Drop High |
| 25 mm² | 101 A | 78 A | 19.57 V (4.72%) | 395.4 V | 32.28 V (7.78%) | 3728.7 W | Drop High |
| 35 mm² | 125 A | 97 A | 13.98 V (3.37%) | 401.0 V | 23.06 V (5.56%) | 2663.4 W | ~ ≤5% |
| 50 mm² | 151 A | 118 A | 9.79 V (2.36%) | 405.2 V | 16.14 V (3.89%) | 1864.4 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 6.99 V (1.68%) | 408.0 V | 11.53 V (2.78%) | 1331.7 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 5.15 V (1.24%) | 409.8 V | 8.5 V (2.05%) | 981.2 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 4.08 V (0.98%) | 410.9 V | 6.73 V (1.62%) | 776.8 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 3.26 V (0.79%) | 411.7 V | 5.38 V (1.3%) | 621.5 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 2.64 V (0.64%) | 412.4 V | 4.36 V (1.05%) | 503.9 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 2.04 V (0.49%) | 413.0 V | 3.36 V (0.81%) | 388.4 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 1.63 V (0.39%) | 413.4 V | 2.69 V (0.65%) | 310.7 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.22 V (0.29%) | 413.8 V | 2.02 V (0.49%) | 233.0 W | ✓ OK (≤3%) |
FAQ — 110 Amp Cable Size at 120 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 110A at 120 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 50 mm² copper cable for 110A over 120m at 415V (voltage drop: 9.79V or 2.36%).
What is the power capacity of 110A at 415V?
At unity power factor, 110A at 415V supports 79.07 kW with a standard 110A circuit breaker.
Related Lengths & Currents (415V)
110A · 5m (415V)110A · 10m (415V)110A · 15m (415V)110A · 20m (415V)110A · 25m (415V)110A · 30m (415V)110A · 35m (415V)110A · 40m (415V)110A · 45m (415V)110A · 50m (415V)110A · 60m (415V)110A · 70m (415V)10A · 120m (415V)16A · 120m (415V)20A · 120m (415V)25A · 120m (415V)32A · 120m (415V)40A · 120m (415V)50A · 120m (415V)63A · 120m (415V)80A · 120m (415V)100A · 120m (415V)125A · 120m (415V)160A · 120m (415V)200A · 120m (415V)