⚡ 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

16 Amp Cable Size at 5 Meters (415V Three-Phase (UK / Australia Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 16 A over 5 m (16.4 ft).

Copper Cable (≤3% Drop)1.5 mm²Drop: 1.98V (0.48%)
Aluminum Cable (≤3% Drop)2.5 mm²Drop: 1.96V (0.47%)
Voltage at Load413.0 VLine Loss: 54.8 W
Max Power & Breaker11.5 kW16A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 16A at 5m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1.98 V (0.48%)413.0 V3.26 V (0.79%)54.8 W✓ OK (≤3%)
2.5 mm²24 A18 A1.19 V (0.29%)413.8 V1.96 V (0.47%)32.9 W✓ OK (≤3%)
4 mm²32 A25 A0.74 V (0.18%)414.3 V1.22 V (0.29%)20.5 W✓ OK (≤3%)
6 mm²41 A32 A0.49 V (0.12%)414.5 V0.82 V (0.2%)13.7 W✓ OK (≤3%)
10 mm²57 A44 A0.3 V (0.07%)414.7 V0.49 V (0.12%)8.2 W✓ OK (≤3%)
16 mm²76 A59 A0.19 V (0.04%)414.8 V0.31 V (0.07%)5.1 W✓ OK (≤3%)
25 mm²101 A78 A0.12 V (0.03%)414.9 V0.2 V (0.05%)3.3 W✓ OK (≤3%)
35 mm²125 A97 A0.08 V (0.02%)414.9 V0.14 V (0.03%)2.3 W✓ OK (≤3%)
50 mm²151 A118 A0.06 V (0.01%)414.9 V0.1 V (0.02%)1.6 W✓ OK (≤3%)
70 mm²192 A150 A0.04 V (0.01%)415.0 V0.07 V (0.02%)1.2 W✓ OK (≤3%)
95 mm²232 A181 A0.03 V (0.01%)415.0 V0.05 V (0.01%)0.9 W✓ OK (≤3%)
120 mm²269 A210 A0.02 V (0.01%)415.0 V0.04 V (0.01%)0.7 W✓ OK (≤3%)
150 mm²309 A241 A0.02 V (0.0%)415.0 V0.03 V (0.01%)0.5 W✓ OK (≤3%)
185 mm²353 A275 A0.02 V (0.0%)415.0 V0.03 V (0.01%)0.4 W✓ OK (≤3%)
240 mm²415 A324 A0.01 V (0.0%)415.0 V0.02 V (0.0%)0.3 W✓ OK (≤3%)
300 mm²477 A372 A0.01 V (0.0%)415.0 V0.02 V (0.0%)0.3 W✓ OK (≤3%)
400 mm²570 A445 A0.01 V (0.0%)415.0 V0.01 V (0.0%)0.2 W✓ OK (≤3%)

FAQ — 16 Amp Cable Size at 5 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 16A at 5 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 1.5 mm² copper cable for 16A over 5m at 415V (voltage drop: 1.98V or 0.48%).

What is the power capacity of 16A at 415V?

At unity power factor, 16A at 415V supports 11.5 kW with a standard 16A circuit breaker.