⚡ 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 30 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 30 m (98.4 ft).

Copper Cable (≤3% Drop)6 mm²Drop: 6.85V (2.98%)
Aluminum Cable (≤3% Drop)10 mm²Drop: 6.78V (2.95%)
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 30m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A27.39 V (11.91%)202.6 V45.18 V (19.65%)876.5 WDrop High
2.5 mm²24 A18 A16.44 V (7.15%)213.6 V27.11 V (11.79%)525.9 WDrop High
4 mm²32 A25 A10.27 V (4.47%)219.7 V16.94 V (7.37%)328.7 W~ ≤5%
6 mm²41 A32 A6.85 V (2.98%)223.2 V11.3 V (4.91%)219.1 W✓ OK (≤3%)
10 mm²57 A44 A4.11 V (1.79%)225.9 V6.78 V (2.95%)131.5 W✓ OK (≤3%)
16 mm²76 A59 A2.57 V (1.12%)227.4 V4.24 V (1.84%)82.2 W✓ OK (≤3%)
25 mm²101 A78 A1.64 V (0.71%)228.4 V2.71 V (1.18%)52.6 W✓ OK (≤3%)
35 mm²125 A97 A1.17 V (0.51%)228.8 V1.94 V (0.84%)37.6 W✓ OK (≤3%)
50 mm²151 A118 A0.82 V (0.36%)229.2 V1.36 V (0.59%)26.3 W✓ OK (≤3%)
70 mm²192 A150 A0.59 V (0.26%)229.4 V0.97 V (0.42%)18.8 W✓ OK (≤3%)
95 mm²232 A181 A0.43 V (0.19%)229.6 V0.71 V (0.31%)13.8 W✓ OK (≤3%)
120 mm²269 A210 A0.34 V (0.15%)229.7 V0.56 V (0.25%)11.0 W✓ OK (≤3%)
150 mm²309 A241 A0.27 V (0.12%)229.7 V0.45 V (0.2%)8.8 W✓ OK (≤3%)
185 mm²353 A275 A0.22 V (0.1%)229.8 V0.37 V (0.16%)7.1 W✓ OK (≤3%)
240 mm²415 A324 A0.17 V (0.07%)229.8 V0.28 V (0.12%)5.5 W✓ OK (≤3%)
300 mm²477 A372 A0.14 V (0.06%)229.9 V0.23 V (0.1%)4.4 W✓ OK (≤3%)
400 mm²570 A445 A0.1 V (0.04%)229.9 V0.17 V (0.07%)3.3 W✓ OK (≤3%)

FAQ — 32 Amp Cable Size at 30 Meters (230V Single-Phase (IEC Europe / UK / AU))

What mm² cable size is required for 32A at 30 meters (230V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 6 mm² copper cable for 32A over 30m 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.