⚡ 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 30 Meters (690V Three-Phase (Wind / Heavy Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 16 A over 30 m (98.4 ft).

Copper Cable (≤3% Drop)1.5 mm²Drop: 11.86V (1.72%)
Aluminum Cable (≤3% Drop)2.5 mm²Drop: 11.74V (1.7%)
Voltage at Load678.1 VLine Loss: 328.7 W
Max Power & Breaker19.12 kW16A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 16A at 30m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A11.86 V (1.72%)678.1 V19.57 V (2.84%)328.7 W✓ OK (≤3%)
2.5 mm²24 A18 A7.12 V (1.03%)682.9 V11.74 V (1.7%)197.2 W✓ OK (≤3%)
4 mm²32 A25 A4.45 V (0.64%)685.6 V7.34 V (1.06%)123.3 W✓ OK (≤3%)
6 mm²41 A32 A2.97 V (0.43%)687.0 V4.89 V (0.71%)82.2 W✓ OK (≤3%)
10 mm²57 A44 A1.78 V (0.26%)688.2 V2.93 V (0.43%)49.3 W✓ OK (≤3%)
16 mm²76 A59 A1.11 V (0.16%)688.9 V1.83 V (0.27%)30.8 W✓ OK (≤3%)
25 mm²101 A78 A0.71 V (0.1%)689.3 V1.17 V (0.17%)19.7 W✓ OK (≤3%)
35 mm²125 A97 A0.51 V (0.07%)689.5 V0.84 V (0.12%)14.1 W✓ OK (≤3%)
50 mm²151 A118 A0.36 V (0.05%)689.6 V0.59 V (0.09%)9.9 W✓ OK (≤3%)
70 mm²192 A150 A0.25 V (0.04%)689.7 V0.42 V (0.06%)7.0 W✓ OK (≤3%)
95 mm²232 A181 A0.19 V (0.03%)689.8 V0.31 V (0.04%)5.2 W✓ OK (≤3%)
120 mm²269 A210 A0.15 V (0.02%)689.9 V0.24 V (0.04%)4.1 W✓ OK (≤3%)
150 mm²309 A241 A0.12 V (0.02%)689.9 V0.2 V (0.03%)3.3 W✓ OK (≤3%)
185 mm²353 A275 A0.1 V (0.01%)689.9 V0.16 V (0.02%)2.7 W✓ OK (≤3%)
240 mm²415 A324 A0.07 V (0.01%)689.9 V0.12 V (0.02%)2.1 W✓ OK (≤3%)
300 mm²477 A372 A0.06 V (0.01%)689.9 V0.1 V (0.01%)1.6 W✓ OK (≤3%)
400 mm²570 A445 A0.04 V (0.01%)690.0 V0.07 V (0.01%)1.2 W✓ OK (≤3%)

FAQ — 16 Amp Cable Size at 30 Meters (690V Three-Phase (Wind / Heavy Industrial))

What mm² cable size is required for 16A at 30 meters (690V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 1.5 mm² copper cable for 16A over 30m at 690V (voltage drop: 11.86V or 1.72%).

What is the power capacity of 16A at 690V?

At unity power factor, 16A at 690V supports 19.12 kW with a standard 16A circuit breaker.