⚡ 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 90 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 90 m (295.3 ft).

Copper Cable (≤3% Drop)6 mm²Drop: 8.9V (2.14%)
Aluminum Cable (≤3% Drop)10 mm²Drop: 8.8V (2.12%)
Voltage at Load406.1 VLine Loss: 246.5 W
Max Power & Breaker11.5 kW16A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 16A at 90m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A35.58 V (8.57%)379.4 V58.7 V (14.14%)986.1 WDrop High
2.5 mm²24 A18 A21.35 V (5.14%)393.7 V35.22 V (8.49%)591.7 WDrop High
4 mm²32 A25 A13.34 V (3.22%)401.7 V22.01 V (5.3%)369.8 W~ ≤5%
6 mm²41 A32 A8.9 V (2.14%)406.1 V14.67 V (3.54%)246.5 W✓ OK (≤3%)
10 mm²57 A44 A5.34 V (1.29%)409.7 V8.8 V (2.12%)147.9 W✓ OK (≤3%)
16 mm²76 A59 A3.34 V (0.8%)411.7 V5.5 V (1.33%)92.4 W✓ OK (≤3%)
25 mm²101 A78 A2.13 V (0.51%)412.9 V3.52 V (0.85%)59.2 W✓ OK (≤3%)
35 mm²125 A97 A1.52 V (0.37%)413.5 V2.52 V (0.61%)42.3 W✓ OK (≤3%)
50 mm²151 A118 A1.07 V (0.26%)413.9 V1.76 V (0.42%)29.6 W✓ OK (≤3%)
70 mm²192 A150 A0.76 V (0.18%)414.2 V1.26 V (0.3%)21.1 W✓ OK (≤3%)
95 mm²232 A181 A0.56 V (0.14%)414.4 V0.93 V (0.22%)15.6 W✓ OK (≤3%)
120 mm²269 A210 A0.44 V (0.11%)414.6 V0.73 V (0.18%)12.3 W✓ OK (≤3%)
150 mm²309 A241 A0.36 V (0.09%)414.6 V0.59 V (0.14%)9.9 W✓ OK (≤3%)
185 mm²353 A275 A0.29 V (0.07%)414.7 V0.48 V (0.11%)8.0 W✓ OK (≤3%)
240 mm²415 A324 A0.22 V (0.05%)414.8 V0.37 V (0.09%)6.2 W✓ OK (≤3%)
300 mm²477 A372 A0.18 V (0.04%)414.8 V0.29 V (0.07%)4.9 W✓ OK (≤3%)
400 mm²570 A445 A0.13 V (0.03%)414.9 V0.22 V (0.05%)3.7 W✓ OK (≤3%)

FAQ — 16 Amp Cable Size at 90 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 16A at 90 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 6 mm² copper cable for 16A over 90m at 415V (voltage drop: 8.9V or 2.14%).

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.