⚡ 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

650 Amp Cable Size at 80 Meters (230V Single-Phase (IEC Europe / UK / AU))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 650 A over 80 m (262.5 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 2.78V (1.21%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 9.18V (3.99%)
Voltage at Load227.2 VLine Loss: 1808.3 W
Max Power & Breaker149.5 kW700A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 650A at 80m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1483.73 V (645.1%)0.0 V2447.47 V (1064.12%)964426.7 WDrop High
2.5 mm²24 A18 A890.24 V (387.06%)0.0 V1468.48 V (638.47%)578656.0 WDrop High
4 mm²32 A25 A556.4 V (241.91%)0.0 V917.8 V (399.04%)361660.0 WDrop High
6 mm²41 A32 A370.93 V (161.28%)0.0 V611.87 V (266.03%)241106.7 WDrop High
10 mm²57 A44 A222.56 V (96.77%)7.4 V367.12 V (159.62%)144664.0 WDrop High
16 mm²76 A59 A139.1 V (60.48%)90.9 V229.45 V (99.76%)90415.0 WDrop High
25 mm²101 A78 A89.02 V (38.71%)141.0 V146.85 V (63.85%)57865.6 WDrop High
35 mm²125 A97 A63.59 V (27.65%)166.4 V104.89 V (45.6%)41332.6 WDrop High
50 mm²151 A118 A44.51 V (19.35%)185.5 V73.42 V (31.92%)28932.8 WDrop High
70 mm²192 A150 A31.79 V (13.82%)198.2 V52.45 V (22.8%)20666.3 WDrop High
95 mm²232 A181 A23.43 V (10.19%)206.6 V38.64 V (16.8%)15227.8 WDrop High
120 mm²269 A210 A18.55 V (8.06%)211.5 V30.59 V (13.3%)12055.3 WDrop High
150 mm²309 A241 A14.84 V (6.45%)215.2 V24.47 V (10.64%)9644.3 WDrop High
185 mm²353 A275 A12.03 V (5.23%)218.0 V19.84 V (8.63%)7819.7 WDrop High
240 mm²415 A324 A9.27 V (4.03%)220.7 V15.3 V (6.65%)6027.7 WDrop High
300 mm²477 A372 A7.42 V (3.23%)222.6 V12.24 V (5.32%)4822.1 WDrop High
400 mm²570 A445 A5.56 V (2.42%)224.4 V9.18 V (3.99%)3616.6 WDrop High

FAQ — 650 Amp Cable Size at 80 Meters (230V Single-Phase (IEC Europe / UK / AU))

What mm² cable size is required for 650A at 80 meters (230V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 650A over 80m at 230V (voltage drop: 2.78V or 1.21%).

What is the power capacity of 650A at 230V?

At unity power factor, 650A at 230V supports 149.5 kW with a standard 700A circuit breaker.