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

900 Amp Cable Size at 175 Meters (400V Three-Phase (IEC European Grid))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 900 A over 175 m (574.1 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 7.29V (1.82%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 24.07V (6.02%)
Voltage at Load392.7 VLine Loss: 11375.5 W
Max Power & Breaker623.54 kW1000A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 900A at 175m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A3891.92 V (972.98%)0.0 V6419.85 V (1604.96%)6066900.0 WDrop High
2.5 mm²24 A18 A2335.15 V (583.79%)0.0 V3851.91 V (962.98%)3640140.0 WDrop High
4 mm²32 A25 A1459.47 V (364.87%)0.0 V2407.44 V (601.86%)2275087.5 WDrop High
6 mm²41 A32 A972.98 V (243.24%)0.0 V1604.96 V (401.24%)1516725.0 WDrop High
10 mm²57 A44 A583.79 V (145.95%)0.0 V962.98 V (240.74%)910035.0 WDrop High
16 mm²76 A59 A364.87 V (91.22%)35.1 V601.86 V (150.47%)568771.9 WDrop High
25 mm²101 A78 A233.52 V (58.38%)166.5 V385.19 V (96.3%)364014.0 WDrop High
35 mm²125 A97 A166.8 V (41.7%)233.2 V275.14 V (68.78%)260010.0 WDrop High
50 mm²151 A118 A116.76 V (29.19%)283.2 V192.6 V (48.15%)182007.0 WDrop High
70 mm²192 A150 A83.4 V (20.85%)316.6 V137.57 V (34.39%)130005.0 WDrop High
95 mm²232 A181 A61.45 V (15.36%)338.5 V101.37 V (25.34%)95793.2 WDrop High
120 mm²269 A210 A48.65 V (12.16%)351.4 V80.25 V (20.06%)75836.2 WDrop High
150 mm²309 A241 A38.92 V (9.73%)361.1 V64.2 V (16.05%)60669.0 WDrop High
185 mm²353 A275 A31.56 V (7.89%)368.4 V52.05 V (13.01%)49191.1 WDrop High
240 mm²415 A324 A24.32 V (6.08%)375.7 V40.12 V (10.03%)37918.1 WDrop High
300 mm²477 A372 A19.46 V (4.86%)380.5 V32.1 V (8.02%)30334.5 WDrop High
400 mm²570 A445 A14.59 V (3.65%)385.4 V24.07 V (6.02%)22750.9 WDrop High

FAQ — 900 Amp Cable Size at 175 Meters (400V Three-Phase (IEC European Grid))

What mm² cable size is required for 900A at 175 meters (400V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 900A over 175m at 400V (voltage drop: 7.29V or 1.82%).

What is the power capacity of 900A at 400V?

At unity power factor, 900A at 400V supports 623.54 kW with a standard 1000A circuit breaker.