⚡ 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

1000 Amp Cable Size at 35 Meters (690V Three-Phase (Wind / Heavy Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 1000 A over 35 m (114.8 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 1.62V (0.23%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 5.35V (0.78%)
Voltage at Load688.4 VLine Loss: 2808.8 W
Max Power & Breaker1195.12 kW1000A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 1000A at 35m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A864.87 V (125.34%)0.0 V1426.63 V (206.76%)1498000.0 WDrop High
2.5 mm²24 A18 A518.92 V (75.21%)171.1 V855.98 V (124.06%)898800.0 WDrop High
4 mm²32 A25 A324.33 V (47.0%)365.7 V534.99 V (77.53%)561750.0 WDrop High
6 mm²41 A32 A216.22 V (31.34%)473.8 V356.66 V (51.69%)374500.0 WDrop High
10 mm²57 A44 A129.73 V (18.8%)560.3 V213.99 V (31.01%)224700.0 WDrop High
16 mm²76 A59 A81.08 V (11.75%)608.9 V133.75 V (19.38%)140437.5 WDrop High
25 mm²101 A78 A51.89 V (7.52%)638.1 V85.6 V (12.41%)89880.0 WDrop High
35 mm²125 A97 A37.07 V (5.37%)652.9 V61.14 V (8.86%)64200.0 WDrop High
50 mm²151 A118 A25.95 V (3.76%)664.1 V42.8 V (6.2%)44940.0 WDrop High
70 mm²192 A150 A18.53 V (2.69%)671.5 V30.57 V (4.43%)32100.0 WDrop High
95 mm²232 A181 A13.66 V (1.98%)676.3 V22.53 V (3.26%)23652.6 WDrop High
120 mm²269 A210 A10.81 V (1.57%)679.2 V17.83 V (2.58%)18725.0 WDrop High
150 mm²309 A241 A8.65 V (1.25%)681.4 V14.27 V (2.07%)14980.0 WDrop High
185 mm²353 A275 A7.01 V (1.02%)683.0 V11.57 V (1.68%)12145.9 WDrop High
240 mm²415 A324 A5.41 V (0.78%)684.6 V8.92 V (1.29%)9362.5 WDrop High
300 mm²477 A372 A4.32 V (0.63%)685.7 V7.13 V (1.03%)7490.0 WDrop High
400 mm²570 A445 A3.24 V (0.47%)686.8 V5.35 V (0.78%)5617.5 WDrop High

FAQ — 1000 Amp Cable Size at 35 Meters (690V Three-Phase (Wind / Heavy Industrial))

What mm² cable size is required for 1000A at 35 meters (690V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 1000A over 35m at 690V (voltage drop: 1.62V or 0.23%).

What is the power capacity of 1000A at 690V?

At unity power factor, 1000A at 690V supports 1195.12 kW with a standard 1000A circuit breaker.