⚡ 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

750 Amp Cable Size at 600 Meters (400V Three-Phase (IEC European Grid))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 750 A over 600 m (1968.5 ft).

Copper Cable (≤3% Drop)4× 400 mm²Drop: 10.43V (2.6%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 68.78V (17.2%)
Voltage at Load389.6 VLine Loss: 13542.2 W
Max Power & Breaker519.62 kW800A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 750A at 600m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A11119.77 V (2779.94%)0.0 V18342.42 V (4585.6%)14445000.0 WDrop High
2.5 mm²24 A18 A6671.86 V (1667.96%)0.0 V11005.45 V (2751.36%)8667000.0 WDrop High
4 mm²32 A25 A4169.91 V (1042.48%)0.0 V6878.41 V (1719.6%)5416875.0 WDrop High
6 mm²41 A32 A2779.94 V (694.99%)0.0 V4585.6 V (1146.4%)3611250.0 WDrop High
10 mm²57 A44 A1667.96 V (416.99%)0.0 V2751.36 V (687.84%)2166750.0 WDrop High
16 mm²76 A59 A1042.48 V (260.62%)0.0 V1719.6 V (429.9%)1354218.8 WDrop High
25 mm²101 A78 A667.19 V (166.8%)0.0 V1100.55 V (275.14%)866700.0 WDrop High
35 mm²125 A97 A476.56 V (119.14%)0.0 V786.1 V (196.53%)619071.4 WDrop High
50 mm²151 A118 A333.59 V (83.4%)66.4 V550.27 V (137.57%)433350.0 WDrop High
70 mm²192 A150 A238.28 V (59.57%)161.7 V393.05 V (98.26%)309535.7 WDrop High
95 mm²232 A181 A175.58 V (43.89%)224.4 V289.62 V (72.4%)228078.9 WDrop High
120 mm²269 A210 A139.0 V (34.75%)261.0 V229.28 V (57.32%)180562.5 WDrop High
150 mm²309 A241 A111.2 V (27.8%)288.8 V183.42 V (45.86%)144450.0 WDrop High
185 mm²353 A275 A90.16 V (22.54%)309.8 V148.72 V (37.18%)117121.6 WDrop High
240 mm²415 A324 A69.5 V (17.37%)330.5 V114.64 V (28.66%)90281.2 WDrop High
300 mm²477 A372 A55.6 V (13.9%)344.4 V91.71 V (22.93%)72225.0 WDrop High
400 mm²570 A445 A41.7 V (10.42%)358.3 V68.78 V (17.2%)54168.7 WDrop High

FAQ — 750 Amp Cable Size at 600 Meters (400V Three-Phase (IEC European Grid))

What mm² cable size is required for 750A at 600 meters (400V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4× 400 mm² copper cable for 750A over 600m at 400V (voltage drop: 10.43V or 2.6%).

What is the power capacity of 750A at 400V?

At unity power factor, 750A at 400V supports 519.62 kW with a standard 800A circuit breaker.