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

375 Amp Cable Size at 5 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 375 A over 5 m (16.4 ft).

Copper Cable (≤3% Drop)240 mm²Drop: 0.33V (0.7%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.33V (0.69%)
Voltage at Load47.7 VLine Loss: 125.4 W
Max Power & Breaker18.0 kW400A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 375A at 5m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A53.5 V (111.46%)0.0 V88.25 V (183.85%)20062.5 WDrop High
2.5 mm²24 A18 A32.1 V (66.88%)15.9 V52.95 V (110.31%)12037.5 WDrop High
4 mm²32 A25 A20.06 V (41.8%)27.9 V33.09 V (68.95%)7523.4 WDrop High
6 mm²41 A32 A13.38 V (27.86%)34.6 V22.06 V (45.96%)5015.6 WDrop High
10 mm²57 A44 A8.03 V (16.72%)40.0 V13.24 V (27.58%)3009.4 WDrop High
16 mm²76 A59 A5.02 V (10.45%)43.0 V8.27 V (17.24%)1880.9 WDrop High
25 mm²101 A78 A3.21 V (6.69%)44.8 V5.29 V (11.03%)1203.8 WDrop High
35 mm²125 A97 A2.29 V (4.78%)45.7 V3.78 V (7.88%)859.8 WDrop High
50 mm²151 A118 A1.6 V (3.34%)46.4 V2.65 V (5.52%)601.9 WDrop High
70 mm²192 A150 A1.15 V (2.39%)46.9 V1.89 V (3.94%)429.9 WDrop High
95 mm²232 A181 A0.84 V (1.76%)47.2 V1.39 V (2.9%)316.8 WDrop High
120 mm²269 A210 A0.67 V (1.39%)47.3 V1.1 V (2.3%)250.8 WDrop High
150 mm²309 A241 A0.53 V (1.11%)47.5 V0.88 V (1.84%)200.6 WDrop High
185 mm²353 A275 A0.43 V (0.9%)47.6 V0.72 V (1.49%)162.7 WDrop High
240 mm²415 A324 A0.33 V (0.7%)47.7 V0.55 V (1.15%)125.4 W✓ OK (≤3%)
300 mm²477 A372 A0.27 V (0.56%)47.7 V0.44 V (0.92%)100.3 W✓ OK (≤3%)
400 mm²570 A445 A0.2 V (0.42%)47.8 V0.33 V (0.69%)75.2 W✓ OK (≤3%)

FAQ — 375 Amp Cable Size at 5 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

What mm² cable size is required for 375A at 5 meters (48V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 240 mm² copper cable for 375A over 5m at 48V (voltage drop: 0.33V or 0.7%).

What is the power capacity of 375A at 48V?

At unity power factor, 375A at 48V supports 18.0 kW with a standard 400A circuit breaker.