200 Amp Cable Size at 300 Meters (415V Three-Phase (UK / Australia Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 200 A over 300 m (984.3 ft).
Copper Cable (≤3% Drop)185 mm²Drop: 12.02V (2.9%)
Aluminum Cable (≤3% Drop)300 mm²Drop: 12.23V (2.95%)
Voltage at Load403.0 VLine Loss: 4164.3 W
Max Power & Breaker143.76 kW200A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 200A at 300m
| 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 | 1482.64 V (357.26%) | 0.0 V | 2445.66 V (589.31%) | 513600.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 889.58 V (214.36%) | 0.0 V | 1467.39 V (353.59%) | 308160.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 555.99 V (133.97%) | 0.0 V | 917.12 V (220.99%) | 192600.0 W | Drop High |
| 6 mm² | 41 A | 32 A | 370.66 V (89.32%) | 44.3 V | 611.41 V (147.33%) | 128400.0 W | Drop High |
| 10 mm² | 57 A | 44 A | 222.4 V (53.59%) | 192.6 V | 366.85 V (88.4%) | 77040.0 W | Drop High |
| 16 mm² | 76 A | 59 A | 139.0 V (33.49%) | 276.0 V | 229.28 V (55.25%) | 48150.0 W | Drop High |
| 25 mm² | 101 A | 78 A | 88.96 V (21.44%) | 326.0 V | 146.74 V (35.36%) | 30816.0 W | Drop High |
| 35 mm² | 125 A | 97 A | 63.54 V (15.31%) | 351.5 V | 104.81 V (25.26%) | 22011.4 W | Drop High |
| 50 mm² | 151 A | 118 A | 44.48 V (10.72%) | 370.5 V | 73.37 V (17.68%) | 15408.0 W | Drop High |
| 70 mm² | 192 A | 150 A | 31.77 V (7.66%) | 383.2 V | 52.41 V (12.63%) | 11005.7 W | Drop High |
| 95 mm² | 232 A | 181 A | 23.41 V (5.64%) | 391.6 V | 38.62 V (9.3%) | 8109.5 W | Drop High |
| 120 mm² | 269 A | 210 A | 18.53 V (4.47%) | 396.5 V | 30.57 V (7.37%) | 6420.0 W | ~ ≤5% |
| 150 mm² | 309 A | 241 A | 14.83 V (3.57%) | 400.2 V | 24.46 V (5.89%) | 5136.0 W | ~ ≤5% |
| 185 mm² | 353 A | 275 A | 12.02 V (2.9%) | 403.0 V | 19.83 V (4.78%) | 4164.3 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 9.27 V (2.23%) | 405.7 V | 15.29 V (3.68%) | 3210.0 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 7.41 V (1.79%) | 407.6 V | 12.23 V (2.95%) | 2568.0 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 5.56 V (1.34%) | 409.4 V | 9.17 V (2.21%) | 1926.0 W | ✓ OK (≤3%) |
FAQ — 200 Amp Cable Size at 300 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 200A at 300 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 185 mm² copper cable for 200A over 300m at 415V (voltage drop: 12.02V or 2.9%).
What is the power capacity of 200A at 415V?
At unity power factor, 200A at 415V supports 143.76 kW with a standard 200A circuit breaker.
Related Lengths & Currents (415V)
200A · 5m (415V)200A · 10m (415V)200A · 15m (415V)200A · 20m (415V)200A · 25m (415V)200A · 30m (415V)200A · 35m (415V)200A · 40m (415V)200A · 45m (415V)200A · 50m (415V)200A · 60m (415V)200A · 70m (415V)10A · 300m (415V)16A · 300m (415V)20A · 300m (415V)25A · 300m (415V)32A · 300m (415V)40A · 300m (415V)50A · 300m (415V)63A · 300m (415V)80A · 300m (415V)100A · 300m (415V)125A · 300m (415V)160A · 300m (415V)