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⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

80 Amp Cable Size at 350 Meters (415V Three-Phase (UK / Australia Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 80 A over 350 m (1148.3 ft).

Copper Cable (≤3% Drop)95 mm²Drop: 10.92V (2.63%)
Aluminum Cable (≤3% Drop)150 mm²Drop: 11.41V (2.75%)
Voltage at Load404.1 VLine Loss: 1513.8 W
Max Power & Breaker57.5 kW80A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 80A at 350m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A691.9 V (166.72%)0.0 V1141.31 V (275.01%)95872.0 WDrop High
2.5 mm²24 A18 A415.14 V (100.03%)0.0 V684.78 V (165.01%)57523.2 WDrop High
4 mm²32 A25 A259.46 V (62.52%)155.5 V427.99 V (103.13%)35952.0 WDrop High
6 mm²41 A32 A172.97 V (41.68%)242.0 V285.33 V (68.75%)23968.0 WDrop High
10 mm²57 A44 A103.78 V (25.01%)311.2 V171.2 V (41.25%)14380.8 WDrop High
16 mm²76 A59 A64.87 V (15.63%)350.1 V107.0 V (25.78%)8988.0 WDrop High
25 mm²101 A78 A41.51 V (10.0%)373.5 V68.48 V (16.5%)5752.3 WDrop High
35 mm²125 A97 A29.65 V (7.15%)385.3 V48.91 V (11.79%)4108.8 WDrop High
50 mm²151 A118 A20.76 V (5.0%)394.2 V34.24 V (8.25%)2876.2 WDrop High
70 mm²192 A150 A14.83 V (3.57%)400.2 V24.46 V (5.89%)2054.4 W~ ≤5%
95 mm²232 A181 A10.92 V (2.63%)404.1 V18.02 V (4.34%)1513.8 W✓ OK (≤3%)
120 mm²269 A210 A8.65 V (2.08%)406.4 V14.27 V (3.44%)1198.4 W✓ OK (≤3%)
150 mm²309 A241 A6.92 V (1.67%)408.1 V11.41 V (2.75%)958.7 W✓ OK (≤3%)
185 mm²353 A275 A5.61 V (1.35%)409.4 V9.25 V (2.23%)777.3 W✓ OK (≤3%)
240 mm²415 A324 A4.32 V (1.04%)410.7 V7.13 V (1.72%)599.2 W✓ OK (≤3%)
300 mm²477 A372 A3.46 V (0.83%)411.5 V5.71 V (1.38%)479.4 W✓ OK (≤3%)
400 mm²570 A445 A2.59 V (0.63%)412.4 V4.28 V (1.03%)359.5 W✓ OK (≤3%)

FAQ — 80 Amp Cable Size at 350 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 80A at 350 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 95 mm² copper cable for 80A over 350m at 415V (voltage drop: 10.92V or 2.63%).

What is the power capacity of 80A at 415V?

At unity power factor, 80A at 415V supports 57.5 kW with a standard 80A circuit breaker.