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

900 Amp Cable Size at 350 Meters (415V Three-Phase (UK / Australia Industrial))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 900 A over 350 m (1148.3 ft).

Copper Cable (≤3% Drop)3× 400 mm²Drop: 9.73V (2.34%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 48.15V (11.6%)
Voltage at Load405.3 VLine Loss: 15167.3 W
Max Power & Breaker646.92 kW1000A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 900A at 350m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A7783.84 V (1875.62%)0.0 V12839.69 V (3093.9%)12133800.0 WDrop High
2.5 mm²24 A18 A4670.3 V (1125.37%)0.0 V7703.82 V (1856.34%)7280280.0 WDrop High
4 mm²32 A25 A2918.94 V (703.36%)0.0 V4814.88 V (1160.21%)4550175.0 WDrop High
6 mm²41 A32 A1945.96 V (468.91%)0.0 V3209.92 V (773.48%)3033450.0 WDrop High
10 mm²57 A44 A1167.58 V (281.34%)0.0 V1925.95 V (464.09%)1820070.0 WDrop High
16 mm²76 A59 A729.73 V (175.84%)0.0 V1203.72 V (290.05%)1137543.8 WDrop High
25 mm²101 A78 A467.03 V (112.54%)0.0 V770.38 V (185.63%)728028.0 WDrop High
35 mm²125 A97 A333.59 V (80.38%)81.4 V550.27 V (132.6%)520020.0 WDrop High
50 mm²151 A118 A233.52 V (56.27%)181.5 V385.19 V (92.82%)364014.0 WDrop High
70 mm²192 A150 A166.8 V (40.19%)248.2 V275.14 V (66.3%)260010.0 WDrop High
95 mm²232 A181 A122.9 V (29.62%)292.1 V202.73 V (48.85%)191586.3 WDrop High
120 mm²269 A210 A97.3 V (23.45%)317.7 V160.5 V (38.67%)151672.5 WDrop High
150 mm²309 A241 A77.84 V (18.76%)337.2 V128.4 V (30.94%)121338.0 WDrop High
185 mm²353 A275 A63.11 V (15.21%)351.9 V104.11 V (25.09%)98382.2 WDrop High
240 mm²415 A324 A48.65 V (11.72%)366.4 V80.25 V (19.34%)75836.2 WDrop High
300 mm²477 A372 A38.92 V (9.38%)376.1 V64.2 V (15.47%)60669.0 WDrop High
400 mm²570 A445 A29.19 V (7.03%)385.8 V48.15 V (11.6%)45501.8 WDrop High

FAQ — 900 Amp Cable Size at 350 Meters (415V Three-Phase (UK / Australia Industrial))

What mm² cable size is required for 900A at 350 meters (415V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 3× 400 mm² copper cable for 900A over 350m at 415V (voltage drop: 9.73V or 2.34%).

What is the power capacity of 900A at 415V?

At unity power factor, 900A at 415V supports 646.92 kW with a standard 1000A circuit breaker.