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

900 Amp Cable Size at 350 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

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)24× 400 mm²Drop: 1.4V (2.93%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 55.6V (115.83%)
Voltage at Load46.6 VLine Loss: 1263.9 W
Max Power & Breaker43.2 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 A8988.0 V (18725.0%)0.0 V14826.0 V (30887.5%)8089200.0 WDrop High
2.5 mm²24 A18 A5392.8 V (11235.0%)0.0 V8895.6 V (18532.5%)4853520.0 WDrop High
4 mm²32 A25 A3370.5 V (7021.87%)0.0 V5559.75 V (11582.81%)3033450.0 WDrop High
6 mm²41 A32 A2247.0 V (4681.25%)0.0 V3706.5 V (7721.88%)2022300.0 WDrop High
10 mm²57 A44 A1348.2 V (2808.75%)0.0 V2223.9 V (4633.12%)1213380.0 WDrop High
16 mm²76 A59 A842.62 V (1755.47%)0.0 V1389.94 V (2895.7%)758362.5 WDrop High
25 mm²101 A78 A539.28 V (1123.5%)0.0 V889.56 V (1853.25%)485352.0 WDrop High
35 mm²125 A97 A385.2 V (802.5%)0.0 V635.4 V (1323.75%)346680.0 WDrop High
50 mm²151 A118 A269.64 V (561.75%)0.0 V444.78 V (926.62%)242676.0 WDrop High
70 mm²192 A150 A192.6 V (401.25%)0.0 V317.7 V (661.88%)173340.0 WDrop High
95 mm²232 A181 A141.92 V (295.66%)0.0 V234.09 V (487.7%)127724.2 WDrop High
120 mm²269 A210 A112.35 V (234.06%)0.0 V185.32 V (386.09%)101115.0 WDrop High
150 mm²309 A241 A89.88 V (187.25%)0.0 V148.26 V (308.87%)80892.0 WDrop High
185 mm²353 A275 A72.88 V (151.82%)0.0 V120.21 V (250.44%)65588.1 WDrop High
240 mm²415 A324 A56.17 V (117.03%)0.0 V92.66 V (193.05%)50557.5 WDrop High
300 mm²477 A372 A44.94 V (93.62%)3.1 V74.13 V (154.44%)40446.0 WDrop High
400 mm²570 A445 A33.7 V (70.22%)14.3 V55.6 V (115.83%)30334.5 WDrop High

FAQ — 900 Amp Cable Size at 350 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

What mm² cable size is required for 900A at 350 meters (48V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 24× 400 mm² copper cable for 900A over 350m at 48V (voltage drop: 1.4V or 2.93%).

What is the power capacity of 900A at 48V?

At unity power factor, 900A at 48V supports 43.2 kW with a standard 1000A circuit breaker.