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

225 Amp Cable Size at 30 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 30 m (98.4 ft).

Copper Cable (≤3% Drop)240 mm²Drop: 1.2V (2.51%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.19V (2.48%)
Voltage at Load46.8 VLine Loss: 270.8 W
Max Power & Breaker10.8 kW225A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 225A at 30m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A192.6 V (401.25%)0.0 V317.7 V (661.88%)43335.0 WDrop High
2.5 mm²24 A18 A115.56 V (240.75%)0.0 V190.62 V (397.12%)26001.0 WDrop High
4 mm²32 A25 A72.23 V (150.47%)0.0 V119.14 V (248.2%)16250.6 WDrop High
6 mm²41 A32 A48.15 V (100.31%)0.0 V79.42 V (165.47%)10833.8 WDrop High
10 mm²57 A44 A28.89 V (60.19%)19.1 V47.65 V (99.28%)6500.3 WDrop High
16 mm²76 A59 A18.06 V (37.62%)29.9 V29.78 V (62.05%)4062.7 WDrop High
25 mm²101 A78 A11.56 V (24.08%)36.4 V19.06 V (39.71%)2600.1 WDrop High
35 mm²125 A97 A8.25 V (17.2%)39.7 V13.62 V (28.37%)1857.2 WDrop High
50 mm²151 A118 A5.78 V (12.04%)42.2 V9.53 V (19.86%)1300.1 WDrop High
70 mm²192 A150 A4.13 V (8.6%)43.9 V6.81 V (14.18%)928.6 WDrop High
95 mm²232 A181 A3.04 V (6.34%)45.0 V5.02 V (10.45%)684.2 WDrop High
120 mm²269 A210 A2.41 V (5.02%)45.6 V3.97 V (8.27%)541.7 WDrop High
150 mm²309 A241 A1.93 V (4.01%)46.1 V3.18 V (6.62%)433.4 W~ ≤5%
185 mm²353 A275 A1.56 V (3.25%)46.4 V2.58 V (5.37%)351.4 W~ ≤5%
240 mm²415 A324 A1.2 V (2.51%)46.8 V1.99 V (4.14%)270.8 W✓ OK (≤3%)
300 mm²477 A372 A0.96 V (2.01%)47.0 V1.59 V (3.31%)216.7 W✓ OK (≤3%)
400 mm²570 A445 A0.72 V (1.5%)47.3 V1.19 V (2.48%)162.5 W✓ OK (≤3%)

FAQ — 225 Amp Cable Size at 30 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

What mm² cable size is required for 225A at 30 meters (48V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 240 mm² copper cable for 225A over 30m at 48V (voltage drop: 1.2V or 2.51%).

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.