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

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

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 900 A over 600 m (1968.5 ft).

Copper Cable (≤3% Drop)3× 400 mm²Drop: 16.68V (2.42%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 82.54V (11.96%)
Voltage at Load673.3 VLine Loss: 26001.0 W
Max Power & Breaker1075.6 kW1000A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 900A at 600m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A13343.72 V (1933.87%)0.0 V22010.9 V (3189.99%)20800800.0 WDrop High
2.5 mm²24 A18 A8006.23 V (1160.32%)0.0 V13206.54 V (1913.99%)12480480.0 WDrop High
4 mm²32 A25 A5003.89 V (725.2%)0.0 V8254.09 V (1196.24%)7800300.0 WDrop High
6 mm²41 A32 A3335.93 V (483.47%)0.0 V5502.73 V (797.5%)5200200.0 WDrop High
10 mm²57 A44 A2001.56 V (290.08%)0.0 V3301.64 V (478.5%)3120120.0 WDrop High
16 mm²76 A59 A1250.97 V (181.3%)0.0 V2063.52 V (299.06%)1950075.0 WDrop High
25 mm²101 A78 A800.62 V (116.03%)0.0 V1320.65 V (191.4%)1248048.0 WDrop High
35 mm²125 A97 A571.87 V (82.88%)118.1 V943.32 V (136.71%)891462.9 WDrop High
50 mm²151 A118 A400.31 V (58.02%)289.7 V660.33 V (95.7%)624024.0 WDrop High
70 mm²192 A150 A285.94 V (41.44%)404.1 V471.66 V (68.36%)445731.4 WDrop High
95 mm²232 A181 A210.69 V (30.53%)479.3 V347.54 V (50.37%)328433.7 WDrop High
120 mm²269 A210 A166.8 V (24.17%)523.2 V275.14 V (39.87%)260010.0 WDrop High
150 mm²309 A241 A133.44 V (19.34%)556.6 V220.11 V (31.9%)208008.0 WDrop High
185 mm²353 A275 A108.19 V (15.68%)581.8 V178.47 V (25.86%)168655.1 WDrop High
240 mm²415 A324 A83.4 V (12.09%)606.6 V137.57 V (19.94%)130005.0 WDrop High
300 mm²477 A372 A66.72 V (9.67%)623.3 V110.05 V (15.95%)104004.0 WDrop High
400 mm²570 A445 A50.04 V (7.25%)640.0 V82.54 V (11.96%)78003.0 WDrop High

FAQ — 900 Amp Cable Size at 600 Meters (690V Three-Phase (Wind / Heavy Industrial))

What mm² cable size is required for 900A at 600 meters (690V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 900A over 600m at 690V (voltage drop: 16.68V or 2.42%).

What is the power capacity of 900A at 690V?

At unity power factor, 900A at 690V supports 1075.6 kW with a standard 1000A circuit breaker.