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

5 Amp Cable Size at 500 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 5 A over 500 m (1640.4 ft).

Copper Cable (≤3% Drop)95 mm²Drop: 1.13V (2.35%)
Aluminum Cable (≤3% Drop)150 mm²Drop: 1.18V (2.45%)
Voltage at Load46.9 VLine Loss: 5.6 W
Max Power & Breaker0.24 kW6A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 5A at 500m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A71.33 V (148.61%)0.0 V117.67 V (245.14%)356.7 WDrop High
2.5 mm²24 A18 A42.8 V (89.17%)5.2 V70.6 V (147.08%)214.0 WDrop High
4 mm²32 A25 A26.75 V (55.73%)21.2 V44.12 V (91.93%)133.8 WDrop High
6 mm²41 A32 A17.83 V (37.15%)30.2 V29.42 V (61.28%)89.2 WDrop High
10 mm²57 A44 A10.7 V (22.29%)37.3 V17.65 V (36.77%)53.5 WDrop High
16 mm²76 A59 A6.69 V (13.93%)41.3 V11.03 V (22.98%)33.4 WDrop High
25 mm²101 A78 A4.28 V (8.92%)43.7 V7.06 V (14.71%)21.4 WDrop High
35 mm²125 A97 A3.06 V (6.37%)44.9 V5.04 V (10.51%)15.3 WDrop High
50 mm²151 A118 A2.14 V (4.46%)45.9 V3.53 V (7.35%)10.7 W~ ≤5%
70 mm²192 A150 A1.53 V (3.18%)46.5 V2.52 V (5.25%)7.6 W~ ≤5%
95 mm²232 A181 A1.13 V (2.35%)46.9 V1.86 V (3.87%)5.6 W✓ OK (≤3%)
120 mm²269 A210 A0.89 V (1.86%)47.1 V1.47 V (3.06%)4.5 W✓ OK (≤3%)
150 mm²309 A241 A0.71 V (1.49%)47.3 V1.18 V (2.45%)3.6 W✓ OK (≤3%)
185 mm²353 A275 A0.58 V (1.2%)47.4 V0.95 V (1.99%)2.9 W✓ OK (≤3%)
240 mm²415 A324 A0.45 V (0.93%)47.6 V0.74 V (1.53%)2.2 W✓ OK (≤3%)
300 mm²477 A372 A0.36 V (0.74%)47.6 V0.59 V (1.23%)1.8 W✓ OK (≤3%)
400 mm²570 A445 A0.27 V (0.56%)47.7 V0.44 V (0.92%)1.3 W✓ OK (≤3%)

FAQ — 5 Amp Cable Size at 500 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

What mm² cable size is required for 5A at 500 meters (48V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 95 mm² copper cable for 5A over 500m at 48V (voltage drop: 1.13V or 2.35%).

What is the power capacity of 5A at 48V?

At unity power factor, 5A at 48V supports 0.24 kW with a standard 6A circuit breaker.