16 Amp Cable Size at 120 Meters (230V Single-Phase (IEC Europe / UK / AU))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 16 A over 120 m (393.7 ft).
Copper Cable (≤3% Drop)16 mm²Drop: 5.14V (2.23%)
Aluminum Cable (≤3% Drop)25 mm²Drop: 5.42V (2.36%)
Voltage at Load224.9 VLine Loss: 82.2 W
Max Power & Breaker3.68 kW16A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 16A 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 | 54.78 V (23.82%) | 175.2 V | 90.37 V (39.29%) | 876.5 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 32.87 V (14.29%) | 197.1 V | 54.22 V (23.57%) | 525.9 W | Drop High |
| 4 mm² | 32 A | 25 A | 20.54 V (8.93%) | 209.5 V | 33.89 V (14.73%) | 328.7 W | Drop High |
| 6 mm² | 41 A | 32 A | 13.7 V (5.95%) | 216.3 V | 22.59 V (9.82%) | 219.1 W | Drop High |
| 10 mm² | 57 A | 44 A | 8.22 V (3.57%) | 221.8 V | 13.56 V (5.89%) | 131.5 W | ~ ≤5% |
| 16 mm² | 76 A | 59 A | 5.14 V (2.23%) | 224.9 V | 8.47 V (3.68%) | 82.2 W | ✓ OK (≤3%) |
| 25 mm² | 101 A | 78 A | 3.29 V (1.43%) | 226.7 V | 5.42 V (2.36%) | 52.6 W | ✓ OK (≤3%) |
| 35 mm² | 125 A | 97 A | 2.35 V (1.02%) | 227.7 V | 3.87 V (1.68%) | 37.6 W | ✓ OK (≤3%) |
| 50 mm² | 151 A | 118 A | 1.64 V (0.71%) | 228.4 V | 2.71 V (1.18%) | 26.3 W | ✓ OK (≤3%) |
| 70 mm² | 192 A | 150 A | 1.17 V (0.51%) | 228.8 V | 1.94 V (0.84%) | 18.8 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 0.87 V (0.38%) | 229.1 V | 1.43 V (0.62%) | 13.8 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 0.68 V (0.3%) | 229.3 V | 1.13 V (0.49%) | 11.0 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 0.55 V (0.24%) | 229.5 V | 0.9 V (0.39%) | 8.8 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 0.44 V (0.19%) | 229.6 V | 0.73 V (0.32%) | 7.1 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 0.34 V (0.15%) | 229.7 V | 0.56 V (0.25%) | 5.5 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 0.27 V (0.12%) | 229.7 V | 0.45 V (0.2%) | 4.4 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 0.21 V (0.09%) | 229.8 V | 0.34 V (0.15%) | 3.3 W | ✓ OK (≤3%) |
FAQ — 16 Amp Cable Size at 120 Meters (230V Single-Phase (IEC Europe / UK / AU))
What mm² cable size is required for 16A at 120 meters (230V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 16 mm² copper cable for 16A over 120m at 230V (voltage drop: 5.14V or 2.23%).
What is the power capacity of 16A at 230V?
At unity power factor, 16A at 230V supports 3.68 kW with a standard 16A circuit breaker.
Related Lengths & Currents (230V)
16A · 5m (230V)16A · 10m (230V)16A · 15m (230V)16A · 20m (230V)16A · 25m (230V)16A · 30m (230V)16A · 35m (230V)16A · 40m (230V)16A · 45m (230V)16A · 50m (230V)16A · 60m (230V)16A · 70m (230V)10A · 120m (230V)20A · 120m (230V)25A · 120m (230V)32A · 120m (230V)40A · 120m (230V)50A · 120m (230V)63A · 120m (230V)80A · 120m (230V)100A · 120m (230V)125A · 120m (230V)160A · 120m (230V)200A · 120m (230V)