⚡ Cu ρ (75°C): 0.0214 Ω·mm²/m 🔌 NEC / IEC Standards: NFPA 70 & IEC 60364 🇺🇸 US Grid Avg: $0.175/kWh 🇩🇪 DE Grid Avg: €0.345/kWh 🇸🇪 SE Elpris: 1.54 SEK/kWh 🇳🇴 NO Strøm: 1.17 NOK/kWh 🔩 Copper Ref: $9,650/t (2026-10-24)
⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

32 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 32 A over 350 m (1148.3 ft).

Copper Cable (≤3% Drop)35 mm²Drop: 11.86V (2.86%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 9.78V (2.36%)
Voltage at Load403.1 VLine Loss: 657.4 W
Max Power & Breaker23.0 kW32A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 350m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A276.76 V (66.69%)138.2 V456.52 V (110.01%)15339.5 WDrop High
2.5 mm²24 A18 A166.06 V (40.01%)248.9 V273.91 V (66.0%)9203.7 WDrop High
4 mm²32 A25 A103.78 V (25.01%)311.2 V171.2 V (41.25%)5752.3 WDrop High
6 mm²41 A32 A69.19 V (16.67%)345.8 V114.13 V (27.5%)3834.9 WDrop High
10 mm²57 A44 A41.51 V (10.0%)373.5 V68.48 V (16.5%)2300.9 WDrop High
16 mm²76 A59 A25.95 V (6.25%)389.1 V42.8 V (10.31%)1438.1 WDrop High
25 mm²101 A78 A16.61 V (4.0%)398.4 V27.39 V (6.6%)920.4 W~ ≤5%
35 mm²125 A97 A11.86 V (2.86%)403.1 V19.57 V (4.71%)657.4 W✓ OK (≤3%)
50 mm²151 A118 A8.3 V (2.0%)406.7 V13.7 V (3.3%)460.2 W✓ OK (≤3%)
70 mm²192 A150 A5.93 V (1.43%)409.1 V9.78 V (2.36%)328.7 W✓ OK (≤3%)
95 mm²232 A181 A4.37 V (1.05%)410.6 V7.21 V (1.74%)242.2 W✓ OK (≤3%)
120 mm²269 A210 A3.46 V (0.83%)411.5 V5.71 V (1.38%)191.7 W✓ OK (≤3%)
150 mm²309 A241 A2.77 V (0.67%)412.2 V4.57 V (1.1%)153.4 W✓ OK (≤3%)
185 mm²353 A275 A2.24 V (0.54%)412.8 V3.7 V (0.89%)124.4 W✓ OK (≤3%)
240 mm²415 A324 A1.73 V (0.42%)413.3 V2.85 V (0.69%)95.9 W✓ OK (≤3%)
300 mm²477 A372 A1.38 V (0.33%)413.6 V2.28 V (0.55%)76.7 W✓ OK (≤3%)
400 mm²570 A445 A1.04 V (0.25%)414.0 V1.71 V (0.41%)57.5 W✓ OK (≤3%)

FAQ — 32 Amp Cable Size at 350 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 32A at 350 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 35 mm² copper cable for 32A over 350m at 415V (voltage drop: 11.86V or 2.86%).

What is the power capacity of 32A at 415V?

At unity power factor, 32A at 415V supports 23.0 kW with a standard 32A circuit breaker.