⚡ 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 35 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 35 m (114.8 ft).

Copper Cable (≤3% Drop)4 mm²Drop: 10.38V (2.5%)
Aluminum Cable (≤3% Drop)6 mm²Drop: 11.41V (2.75%)
Voltage at Load404.6 VLine Loss: 575.2 W
Max Power & Breaker23.0 kW32A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 35m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A27.68 V (6.67%)387.3 V45.65 V (11.0%)1534.0 WDrop High
2.5 mm²24 A18 A16.61 V (4.0%)398.4 V27.39 V (6.6%)920.4 WDrop High
4 mm²32 A25 A10.38 V (2.5%)404.6 V17.12 V (4.13%)575.2 W✓ OK (≤3%)
6 mm²41 A32 A6.92 V (1.67%)408.1 V11.41 V (2.75%)383.5 W✓ OK (≤3%)
10 mm²57 A44 A4.15 V (1.0%)410.8 V6.85 V (1.65%)230.1 W✓ OK (≤3%)
16 mm²76 A59 A2.59 V (0.63%)412.4 V4.28 V (1.03%)143.8 W✓ OK (≤3%)
25 mm²101 A78 A1.66 V (0.4%)413.3 V2.74 V (0.66%)92.0 W✓ OK (≤3%)
35 mm²125 A97 A1.19 V (0.29%)413.8 V1.96 V (0.47%)65.7 W✓ OK (≤3%)
50 mm²151 A118 A0.83 V (0.2%)414.2 V1.37 V (0.33%)46.0 W✓ OK (≤3%)
70 mm²192 A150 A0.59 V (0.14%)414.4 V0.98 V (0.24%)32.9 W✓ OK (≤3%)
95 mm²232 A181 A0.44 V (0.11%)414.6 V0.72 V (0.17%)24.2 W✓ OK (≤3%)
120 mm²269 A210 A0.35 V (0.08%)414.7 V0.57 V (0.14%)19.2 W✓ OK (≤3%)
150 mm²309 A241 A0.28 V (0.07%)414.7 V0.46 V (0.11%)15.3 W✓ OK (≤3%)
185 mm²353 A275 A0.22 V (0.05%)414.8 V0.37 V (0.09%)12.4 W✓ OK (≤3%)
240 mm²415 A324 A0.17 V (0.04%)414.8 V0.29 V (0.07%)9.6 W✓ OK (≤3%)
300 mm²477 A372 A0.14 V (0.03%)414.9 V0.23 V (0.06%)7.7 W✓ OK (≤3%)
400 mm²570 A445 A0.1 V (0.03%)414.9 V0.17 V (0.04%)5.8 W✓ OK (≤3%)

FAQ — 32 Amp Cable Size at 35 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 32A at 35 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4 mm² copper cable for 32A over 35m at 415V (voltage drop: 10.38V or 2.5%).

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.