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

325 Amp Cable Size at 175 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 325 A over 175 m (574.1 ft).

Copper Cable (≤3% Drop)5× 400 mm²Drop: 1.22V (2.54%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 10.04V (20.91%)
Voltage at Load46.8 VLine Loss: 395.6 W
Max Power & Breaker15.6 kW350A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 325A at 175m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1622.83 V (3380.9%)0.0 V2676.92 V (5576.91%)527420.8 WDrop High
2.5 mm²24 A18 A973.7 V (2028.54%)0.0 V1606.15 V (3346.15%)316452.5 WDrop High
4 mm²32 A25 A608.56 V (1267.84%)0.0 V1003.84 V (2091.34%)197782.8 WDrop High
6 mm²41 A32 A405.71 V (845.23%)0.0 V669.23 V (1394.23%)131855.2 WDrop High
10 mm²57 A44 A243.42 V (507.14%)0.0 V401.54 V (836.54%)79113.1 WDrop High
16 mm²76 A59 A152.14 V (316.96%)0.0 V250.96 V (522.84%)49445.7 WDrop High
25 mm²101 A78 A97.37 V (202.85%)0.0 V160.61 V (334.61%)31645.2 WDrop High
35 mm²125 A97 A69.55 V (144.9%)0.0 V114.72 V (239.01%)22603.7 WDrop High
50 mm²151 A118 A48.68 V (101.43%)0.0 V80.31 V (167.31%)15822.6 WDrop High
70 mm²192 A150 A34.77 V (72.45%)13.2 V57.36 V (119.51%)11301.9 WDrop High
95 mm²232 A181 A25.62 V (53.38%)22.4 V42.27 V (88.06%)8327.7 WDrop High
120 mm²269 A210 A20.29 V (42.26%)27.7 V33.46 V (69.71%)6592.8 WDrop High
150 mm²309 A241 A16.23 V (33.81%)31.8 V26.77 V (55.77%)5274.2 WDrop High
185 mm²353 A275 A13.16 V (27.41%)34.8 V21.7 V (45.22%)4276.4 WDrop High
240 mm²415 A324 A10.14 V (21.13%)37.9 V16.73 V (34.86%)3296.4 WDrop High
300 mm²477 A372 A8.11 V (16.9%)39.9 V13.38 V (27.88%)2637.1 WDrop High
400 mm²570 A445 A6.09 V (12.68%)41.9 V10.04 V (20.91%)1977.8 WDrop High

FAQ — 325 Amp Cable Size at 175 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

What mm² cable size is required for 325A at 175 meters (48V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 5× 400 mm² copper cable for 325A over 175m at 48V (voltage drop: 1.22V or 2.54%).

What is the power capacity of 325A at 48V?

At unity power factor, 325A at 48V supports 15.6 kW with a standard 350A circuit breaker.