⚡ 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 50 Meters (230V Single-Phase (IEC Europe / UK / AU))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 32 A over 50 m (164.0 ft).

Copper Cable (≤3% Drop)10 mm²Drop: 6.85V (2.98%)
Aluminum Cable (≤3% Drop)25 mm²Drop: 4.52V (1.96%)
Voltage at Load223.2 VLine Loss: 219.1 W
Max Power & Breaker7.36 kW32A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 50m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A45.65 V (19.85%)184.3 V75.31 V (32.74%)1460.9 WDrop High
2.5 mm²24 A18 A27.39 V (11.91%)202.6 V45.18 V (19.65%)876.5 WDrop High
4 mm²32 A25 A17.12 V (7.44%)212.9 V28.24 V (12.28%)547.8 WDrop High
6 mm²41 A32 A11.41 V (4.96%)218.6 V18.83 V (8.19%)365.2 W~ ≤5%
10 mm²57 A44 A6.85 V (2.98%)223.2 V11.3 V (4.91%)219.1 W✓ OK (≤3%)
16 mm²76 A59 A4.28 V (1.86%)225.7 V7.06 V (3.07%)137.0 W✓ OK (≤3%)
25 mm²101 A78 A2.74 V (1.19%)227.3 V4.52 V (1.96%)87.7 W✓ OK (≤3%)
35 mm²125 A97 A1.96 V (0.85%)228.0 V3.23 V (1.4%)62.6 W✓ OK (≤3%)
50 mm²151 A118 A1.37 V (0.6%)228.6 V2.26 V (0.98%)43.8 W✓ OK (≤3%)
70 mm²192 A150 A0.98 V (0.43%)229.0 V1.61 V (0.7%)31.3 W✓ OK (≤3%)
95 mm²232 A181 A0.72 V (0.31%)229.3 V1.19 V (0.52%)23.1 W✓ OK (≤3%)
120 mm²269 A210 A0.57 V (0.25%)229.4 V0.94 V (0.41%)18.3 W✓ OK (≤3%)
150 mm²309 A241 A0.46 V (0.2%)229.5 V0.75 V (0.33%)14.6 W✓ OK (≤3%)
185 mm²353 A275 A0.37 V (0.16%)229.6 V0.61 V (0.27%)11.8 W✓ OK (≤3%)
240 mm²415 A324 A0.29 V (0.12%)229.7 V0.47 V (0.2%)9.1 W✓ OK (≤3%)
300 mm²477 A372 A0.23 V (0.1%)229.8 V0.38 V (0.16%)7.3 W✓ OK (≤3%)
400 mm²570 A445 A0.17 V (0.07%)229.8 V0.28 V (0.12%)5.5 W✓ OK (≤3%)

FAQ — 32 Amp Cable Size at 50 Meters (230V Single-Phase (IEC Europe / UK / AU))

What mm² cable size is required for 32A at 50 meters (230V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 10 mm² copper cable for 32A over 50m at 230V (voltage drop: 6.85V or 2.98%).

What is the power capacity of 32A at 230V?

At unity power factor, 32A at 230V supports 7.36 kW with a standard 32A circuit breaker.