⚡ 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 (415V Three-Phase (UK / Australia Industrial))

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 (2.51%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 68.78V (16.57%)
Voltage at Load404.6 VLine Loss: 13542.2 W
Max Power & Breaker539.1 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 (2679.46%)0.0 V18342.42 V (4419.86%)14445000.0 WDrop High
2.5 mm²24 A18 A6671.86 V (1607.68%)0.0 V11005.45 V (2651.92%)8667000.0 WDrop High
4 mm²32 A25 A4169.91 V (1004.8%)0.0 V6878.41 V (1657.45%)5416875.0 WDrop High
6 mm²41 A32 A2779.94 V (669.87%)0.0 V4585.6 V (1104.96%)3611250.0 WDrop High
10 mm²57 A44 A1667.96 V (401.92%)0.0 V2751.36 V (662.98%)2166750.0 WDrop High
16 mm²76 A59 A1042.48 V (251.2%)0.0 V1719.6 V (414.36%)1354218.8 WDrop High
25 mm²101 A78 A667.19 V (160.77%)0.0 V1100.55 V (265.19%)866700.0 WDrop High
35 mm²125 A97 A476.56 V (114.83%)0.0 V786.1 V (189.42%)619071.4 WDrop High
50 mm²151 A118 A333.59 V (80.38%)81.4 V550.27 V (132.6%)433350.0 WDrop High
70 mm²192 A150 A238.28 V (57.42%)176.7 V393.05 V (94.71%)309535.7 WDrop High
95 mm²232 A181 A175.58 V (42.31%)239.4 V289.62 V (69.79%)228078.9 WDrop High
120 mm²269 A210 A139.0 V (33.49%)276.0 V229.28 V (55.25%)180562.5 WDrop High
150 mm²309 A241 A111.2 V (26.79%)303.8 V183.42 V (44.2%)144450.0 WDrop High
185 mm²353 A275 A90.16 V (21.73%)324.8 V148.72 V (35.84%)117121.6 WDrop High
240 mm²415 A324 A69.5 V (16.75%)345.5 V114.64 V (27.62%)90281.2 WDrop High
300 mm²477 A372 A55.6 V (13.4%)359.4 V91.71 V (22.1%)72225.0 WDrop High
400 mm²570 A445 A41.7 V (10.05%)373.3 V68.78 V (16.57%)54168.7 WDrop High

FAQ — 750 Amp Cable Size at 600 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 750A at 600 meters (415V)?

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 415V (voltage drop: 10.43V or 2.51%).

What is the power capacity of 750A at 415V?

At unity power factor, 750A at 415V supports 539.1 kW with a standard 800A circuit breaker.