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

200 Amp Cable Size at 250 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 200 A over 250 m (820.2 ft).

Copper Cable (≤3% Drop)4× 400 mm²Drop: 1.34V (2.79%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 8.82V (18.39%)
Voltage at Load46.7 VLine Loss: 267.5 W
Max Power & Breaker9.6 kW200A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 200A at 250m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1426.67 V (2972.22%)0.0 V2353.33 V (4902.78%)285333.3 WDrop High
2.5 mm²24 A18 A856.0 V (1783.33%)0.0 V1412.0 V (2941.67%)171200.0 WDrop High
4 mm²32 A25 A535.0 V (1114.58%)0.0 V882.5 V (1838.54%)107000.0 WDrop High
6 mm²41 A32 A356.67 V (743.06%)0.0 V588.33 V (1225.69%)71333.3 WDrop High
10 mm²57 A44 A214.0 V (445.83%)0.0 V353.0 V (735.42%)42800.0 WDrop High
16 mm²76 A59 A133.75 V (278.65%)0.0 V220.62 V (459.64%)26750.0 WDrop High
25 mm²101 A78 A85.6 V (178.33%)0.0 V141.2 V (294.17%)17120.0 WDrop High
35 mm²125 A97 A61.14 V (127.38%)0.0 V100.86 V (210.12%)12228.6 WDrop High
50 mm²151 A118 A42.8 V (89.17%)5.2 V70.6 V (147.08%)8560.0 WDrop High
70 mm²192 A150 A30.57 V (63.69%)17.4 V50.43 V (105.06%)6114.3 WDrop High
95 mm²232 A181 A22.53 V (46.93%)25.5 V37.16 V (77.41%)4505.3 WDrop High
120 mm²269 A210 A17.83 V (37.15%)30.2 V29.42 V (61.28%)3566.7 WDrop High
150 mm²309 A241 A14.27 V (29.72%)33.7 V23.53 V (49.03%)2853.3 WDrop High
185 mm²353 A275 A11.57 V (24.1%)36.4 V19.08 V (39.75%)2313.5 WDrop High
240 mm²415 A324 A8.92 V (18.58%)39.1 V14.71 V (30.64%)1783.3 WDrop High
300 mm²477 A372 A7.13 V (14.86%)40.9 V11.77 V (24.51%)1426.7 WDrop High
400 mm²570 A445 A5.35 V (11.15%)42.6 V8.82 V (18.39%)1070.0 WDrop High

FAQ — 200 Amp Cable Size at 250 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

What mm² cable size is required for 200A at 250 meters (48V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4× 400 mm² copper cable for 200A over 250m at 48V (voltage drop: 1.34V or 2.79%).

What is the power capacity of 200A at 48V?

At unity power factor, 200A at 48V supports 9.6 kW with a standard 200A circuit breaker.