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

225 Amp Cable Size at 80 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 225 A over 80 m (262.5 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 0.96V (2.0%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 3.18V (6.62%)
Voltage at Load47.0 VLine Loss: 216.7 W
Max Power & Breaker10.8 kW225A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A at 80m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A513.6 V (1070.0%)0.0 V847.2 V (1765.0%)115560.0 WDrop High
2.5 mm²24 A18 A308.16 V (642.0%)0.0 V508.32 V (1059.0%)69336.0 WDrop High
4 mm²32 A25 A192.6 V (401.25%)0.0 V317.7 V (661.88%)43335.0 WDrop High
6 mm²41 A32 A128.4 V (267.5%)0.0 V211.8 V (441.25%)28890.0 WDrop High
10 mm²57 A44 A77.04 V (160.5%)0.0 V127.08 V (264.75%)17334.0 WDrop High
16 mm²76 A59 A48.15 V (100.31%)0.0 V79.42 V (165.47%)10833.8 WDrop High
25 mm²101 A78 A30.82 V (64.2%)17.2 V50.83 V (105.9%)6933.6 WDrop High
35 mm²125 A97 A22.01 V (45.86%)26.0 V36.31 V (75.64%)4952.6 WDrop High
50 mm²151 A118 A15.41 V (32.1%)32.6 V25.42 V (52.95%)3466.8 WDrop High
70 mm²192 A150 A11.01 V (22.93%)37.0 V18.15 V (37.82%)2476.3 WDrop High
95 mm²232 A181 A8.11 V (16.89%)39.9 V13.38 V (27.87%)1824.6 WDrop High
120 mm²269 A210 A6.42 V (13.38%)41.6 V10.59 V (22.06%)1444.5 WDrop High
150 mm²309 A241 A5.14 V (10.7%)42.9 V8.47 V (17.65%)1155.6 WDrop High
185 mm²353 A275 A4.16 V (8.68%)43.8 V6.87 V (14.31%)937.0 WDrop High
240 mm²415 A324 A3.21 V (6.69%)44.8 V5.29 V (11.03%)722.2 WDrop High
300 mm²477 A372 A2.57 V (5.35%)45.4 V4.24 V (8.82%)577.8 WDrop High
400 mm²570 A445 A1.93 V (4.01%)46.1 V3.18 V (6.62%)433.4 W~ ≤5%

FAQ — 225 Amp Cable Size at 80 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

What mm² cable size is required for 225A at 80 meters (48V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 225A over 80m at 48V (voltage drop: 0.96V or 2.0%).

What is the power capacity of 225A at 48V?

At unity power factor, 225A at 48V supports 10.8 kW with a standard 225A circuit breaker.