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

175 Amp Cable Size at 300 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 175 A over 300 m (984.3 ft).

Copper Cable (≤3% Drop)4× 400 mm²Drop: 1.41V (2.92%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 9.27V (19.3%)
Voltage at Load46.6 VLine Loss: 245.8 W
Max Power & Breaker8.4 kW175A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 175A at 300m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1498.0 V (3120.83%)0.0 V2471.0 V (5147.92%)262150.0 WDrop High
2.5 mm²24 A18 A898.8 V (1872.5%)0.0 V1482.6 V (3088.75%)157290.0 WDrop High
4 mm²32 A25 A561.75 V (1170.31%)0.0 V926.62 V (1930.47%)98306.2 WDrop High
6 mm²41 A32 A374.5 V (780.21%)0.0 V617.75 V (1286.98%)65537.5 WDrop High
10 mm²57 A44 A224.7 V (468.13%)0.0 V370.65 V (772.19%)39322.5 WDrop High
16 mm²76 A59 A140.44 V (292.58%)0.0 V231.66 V (482.62%)24576.6 WDrop High
25 mm²101 A78 A89.88 V (187.25%)0.0 V148.26 V (308.87%)15729.0 WDrop High
35 mm²125 A97 A64.2 V (133.75%)0.0 V105.9 V (220.62%)11235.0 WDrop High
50 mm²151 A118 A44.94 V (93.62%)3.1 V74.13 V (154.44%)7864.5 WDrop High
70 mm²192 A150 A32.1 V (66.87%)15.9 V52.95 V (110.31%)5617.5 WDrop High
95 mm²232 A181 A23.65 V (49.28%)24.3 V39.02 V (81.28%)4139.2 WDrop High
120 mm²269 A210 A18.72 V (39.01%)29.3 V30.89 V (64.35%)3276.9 WDrop High
150 mm²309 A241 A14.98 V (31.21%)33.0 V24.71 V (51.48%)2621.5 WDrop High
185 mm²353 A275 A12.15 V (25.3%)35.9 V20.04 V (41.74%)2125.5 WDrop High
240 mm²415 A324 A9.36 V (19.51%)38.6 V15.44 V (32.17%)1638.4 WDrop High
300 mm²477 A372 A7.49 V (15.6%)40.5 V12.35 V (25.74%)1310.8 WDrop High
400 mm²570 A445 A5.62 V (11.7%)42.4 V9.27 V (19.3%)983.1 WDrop High

FAQ — 175 Amp Cable Size at 300 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

What mm² cable size is required for 175A at 300 meters (48V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4× 400 mm² copper cable for 175A over 300m at 48V (voltage drop: 1.41V or 2.92%).

What is the power capacity of 175A at 48V?

At unity power factor, 175A at 48V supports 8.4 kW with a standard 175A circuit breaker.