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

475 Amp Cable Size at 500 Meters (400V Three-Phase (IEC European Grid))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 475 A over 500 m (1640.4 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 11.01V (2.75%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 36.3V (9.08%)
Voltage at Load389.0 VLine Loss: 9053.2 W
Max Power & Breaker329.09 kW500A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 500m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A5868.77 V (1467.19%)0.0 V9680.72 V (2420.18%)4828375.0 WDrop High
2.5 mm²24 A18 A3521.26 V (880.31%)0.0 V5808.43 V (1452.11%)2897025.0 WDrop High
4 mm²32 A25 A2200.79 V (550.2%)0.0 V3630.27 V (907.57%)1810640.6 WDrop High
6 mm²41 A32 A1467.19 V (366.8%)0.0 V2420.18 V (605.05%)1207093.8 WDrop High
10 mm²57 A44 A880.31 V (220.08%)0.0 V1452.11 V (363.03%)724256.2 WDrop High
16 mm²76 A59 A550.2 V (137.55%)0.0 V907.57 V (226.89%)452660.2 WDrop High
25 mm²101 A78 A352.13 V (88.03%)47.9 V580.84 V (145.21%)289702.5 WDrop High
35 mm²125 A97 A251.52 V (62.88%)148.5 V414.89 V (103.72%)206930.4 WDrop High
50 mm²151 A118 A176.06 V (44.02%)223.9 V290.42 V (72.61%)144851.2 WDrop High
70 mm²192 A150 A125.76 V (31.44%)274.2 V207.44 V (51.86%)103465.2 WDrop High
95 mm²232 A181 A92.66 V (23.17%)307.3 V152.85 V (38.21%)76237.5 WDrop High
120 mm²269 A210 A73.36 V (18.34%)326.6 V121.01 V (30.25%)60354.7 WDrop High
150 mm²309 A241 A58.69 V (14.67%)341.3 V96.81 V (24.2%)48283.8 WDrop High
185 mm²353 A275 A47.58 V (11.9%)352.4 V78.49 V (19.62%)39149.0 WDrop High
240 mm²415 A324 A36.68 V (9.17%)363.3 V60.5 V (15.13%)30177.3 WDrop High
300 mm²477 A372 A29.34 V (7.34%)370.7 V48.4 V (12.1%)24141.9 WDrop High
400 mm²570 A445 A22.01 V (5.5%)378.0 V36.3 V (9.08%)18106.4 WDrop High

FAQ — 475 Amp Cable Size at 500 Meters (400V Three-Phase (IEC European Grid))

What mm² cable size is required for 475A at 500 meters (400V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 475A over 500m at 400V (voltage drop: 11.01V or 2.75%).

What is the power capacity of 475A at 400V?

At unity power factor, 475A at 400V supports 329.09 kW with a standard 500A circuit breaker.