⚡ 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 500 Meters (400V Three-Phase (IEC European Grid))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 32 A over 500 m (1640.4 ft).

Copper Cable (≤3% Drop)50 mm²Drop: 11.86V (2.97%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 10.3V (2.57%)
Voltage at Load388.1 VLine Loss: 657.4 W
Max Power & Breaker22.17 kW32A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 500m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A395.37 V (98.84%)4.6 V652.17 V (163.04%)21913.6 WDrop High
2.5 mm²24 A18 A237.22 V (59.31%)162.8 V391.3 V (97.83%)13148.2 WDrop High
4 mm²32 A25 A148.26 V (37.07%)251.7 V244.57 V (61.14%)8217.6 WDrop High
6 mm²41 A32 A98.84 V (24.71%)301.2 V163.04 V (40.76%)5478.4 WDrop High
10 mm²57 A44 A59.31 V (14.83%)340.7 V97.83 V (24.46%)3287.0 WDrop High
16 mm²76 A59 A37.07 V (9.27%)362.9 V61.14 V (15.29%)2054.4 WDrop High
25 mm²101 A78 A23.72 V (5.93%)376.3 V39.13 V (9.78%)1314.8 WDrop High
35 mm²125 A97 A16.94 V (4.24%)383.1 V27.95 V (6.99%)939.2 W~ ≤5%
50 mm²151 A118 A11.86 V (2.97%)388.1 V19.57 V (4.89%)657.4 W✓ OK (≤3%)
70 mm²192 A150 A8.47 V (2.12%)391.5 V13.98 V (3.49%)469.6 W✓ OK (≤3%)
95 mm²232 A181 A6.24 V (1.56%)393.8 V10.3 V (2.57%)346.0 W✓ OK (≤3%)
120 mm²269 A210 A4.94 V (1.24%)395.1 V8.15 V (2.04%)273.9 W✓ OK (≤3%)
150 mm²309 A241 A3.95 V (0.99%)396.0 V6.52 V (1.63%)219.1 W✓ OK (≤3%)
185 mm²353 A275 A3.21 V (0.8%)396.8 V5.29 V (1.32%)177.7 W✓ OK (≤3%)
240 mm²415 A324 A2.47 V (0.62%)397.5 V4.08 V (1.02%)137.0 W✓ OK (≤3%)
300 mm²477 A372 A1.98 V (0.49%)398.0 V3.26 V (0.82%)109.6 W✓ OK (≤3%)
400 mm²570 A445 A1.48 V (0.37%)398.5 V2.45 V (0.61%)82.2 W✓ OK (≤3%)

FAQ — 32 Amp Cable Size at 500 Meters (400V Three-Phase (IEC European Grid))

What mm² cable size is required for 32A at 500 meters (400V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 50 mm² copper cable for 32A over 500m at 400V (voltage drop: 11.86V or 2.97%).

What is the power capacity of 32A at 400V?

At unity power factor, 32A at 400V supports 22.17 kW with a standard 32A circuit breaker.