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

475 Amp Cable Size at 100 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 475 A over 100 m (328.1 ft).

Copper Cable (≤3% Drop)4× 400 mm²Drop: 1.27V (2.65%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 8.38V (17.47%)
Voltage at Load46.7 VLine Loss: 603.5 W
Max Power & Breaker22.8 kW500A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 475A at 100m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A1355.33 V (2823.61%)0.0 V2235.67 V (4657.64%)643783.3 WDrop High
2.5 mm²24 A18 A813.2 V (1694.17%)0.0 V1341.4 V (2794.58%)386270.0 WDrop High
4 mm²32 A25 A508.25 V (1058.85%)0.0 V838.38 V (1746.61%)241418.7 WDrop High
6 mm²41 A32 A338.83 V (705.9%)0.0 V558.92 V (1164.41%)160945.8 WDrop High
10 mm²57 A44 A203.3 V (423.54%)0.0 V335.35 V (698.65%)96567.5 WDrop High
16 mm²76 A59 A127.06 V (264.71%)0.0 V209.59 V (436.65%)60354.7 WDrop High
25 mm²101 A78 A81.32 V (169.42%)0.0 V134.14 V (279.46%)38627.0 WDrop High
35 mm²125 A97 A58.09 V (121.01%)0.0 V95.81 V (199.61%)27590.7 WDrop High
50 mm²151 A118 A40.66 V (84.71%)7.3 V67.07 V (139.73%)19313.5 WDrop High
70 mm²192 A150 A29.04 V (60.51%)19.0 V47.91 V (99.81%)13795.4 WDrop High
95 mm²232 A181 A21.4 V (44.58%)26.6 V35.3 V (73.54%)10165.0 WDrop High
120 mm²269 A210 A16.94 V (35.3%)31.1 V27.95 V (58.22%)8047.3 WDrop High
150 mm²309 A241 A13.55 V (28.24%)34.4 V22.36 V (46.58%)6437.8 WDrop High
185 mm²353 A275 A10.99 V (22.89%)37.0 V18.13 V (37.76%)5219.9 WDrop High
240 mm²415 A324 A8.47 V (17.65%)39.5 V13.97 V (29.11%)4023.6 WDrop High
300 mm²477 A372 A6.78 V (14.12%)41.2 V11.18 V (23.29%)3218.9 WDrop High
400 mm²570 A445 A5.08 V (10.59%)42.9 V8.38 V (17.47%)2414.2 WDrop High

FAQ — 475 Amp Cable Size at 100 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

What mm² cable size is required for 475A at 100 meters (48V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 4× 400 mm² copper cable for 475A over 100m at 48V (voltage drop: 1.27V or 2.65%).

What is the power capacity of 475A at 48V?

At unity power factor, 475A at 48V supports 22.8 kW with a standard 500A circuit breaker.