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⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

600 Amp Cable Size at 120 Meters (690V Three-Phase (Wind / Heavy Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 600 A over 120 m (393.7 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 3.33V (0.48%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 11.01V (1.59%)
Voltage at Load686.7 VLine Loss: 3466.8 W
Max Power & Breaker717.07 kW600A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 600A at 120m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1779.16 V (257.85%)0.0 V2934.79 V (425.33%)1848960.0 WDrop High
2.5 mm²24 A18 A1067.5 V (154.71%)0.0 V1760.87 V (255.2%)1109376.0 WDrop High
4 mm²32 A25 A667.19 V (96.69%)22.8 V1100.55 V (159.5%)693360.0 WDrop High
6 mm²41 A32 A444.79 V (64.46%)245.2 V733.7 V (106.33%)462240.0 WDrop High
10 mm²57 A44 A266.87 V (38.68%)423.1 V440.22 V (63.8%)277344.0 WDrop High
16 mm²76 A59 A166.8 V (24.17%)523.2 V275.14 V (39.87%)173340.0 WDrop High
25 mm²101 A78 A106.75 V (15.47%)583.3 V176.09 V (25.52%)110937.6 WDrop High
35 mm²125 A97 A76.25 V (11.05%)613.8 V125.78 V (18.23%)79241.1 WDrop High
50 mm²151 A118 A53.37 V (7.74%)636.6 V88.04 V (12.76%)55468.8 WDrop High
70 mm²192 A150 A38.12 V (5.53%)651.9 V62.89 V (9.11%)39620.6 WDrop High
95 mm²232 A181 A28.09 V (4.07%)661.9 V46.34 V (6.72%)29194.1 WDrop High
120 mm²269 A210 A22.24 V (3.22%)667.8 V36.68 V (5.32%)23112.0 WDrop High
150 mm²309 A241 A17.79 V (2.58%)672.2 V29.35 V (4.25%)18489.6 WDrop High
185 mm²353 A275 A14.43 V (2.09%)675.6 V23.8 V (3.45%)14991.6 WDrop High
240 mm²415 A324 A11.12 V (1.61%)678.9 V18.34 V (2.66%)11556.0 WDrop High
300 mm²477 A372 A8.9 V (1.29%)681.1 V14.67 V (2.13%)9244.8 WDrop High
400 mm²570 A445 A6.67 V (0.97%)683.3 V11.01 V (1.59%)6933.6 WDrop High

FAQ — 600 Amp Cable Size at 120 Meters (690V Three-Phase (Wind / Heavy Industrial))

What mm² cable size is required for 600A at 120 meters (690V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 600A over 120m at 690V (voltage drop: 3.33V or 0.48%).

What is the power capacity of 600A at 690V?

At unity power factor, 600A at 690V supports 717.07 kW with a standard 600A circuit breaker.