⚡ Cu ρ (75°C): 0.0214 Ω·mm²/m 🔌 NEC / IEC Standards: NFPA 70 & IEC 60364 🇺🇸 US Grid Avg: $0.175/kWh 🇩🇪 DE Grid Avg: €0.345/kWh 🇸🇪 SE Elpris: 1.54 SEK/kWh 🇳🇴 NO Strøm: 1.17 NOK/kWh 🔩 Copper Ref: $9,650/t (2026-10-24)
⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

175 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 175 A over 5 m (16.4 ft).

Copper Cable (≤3% Drop)70 mm²Drop: 0.54V (1.11%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 0.65V (1.35%)
Voltage at Load47.5 VLine Loss: 93.6 W
Max Power & Breaker8.4 kW175A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 175A at 5m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A24.97 V (52.01%)23.0 V41.18 V (85.8%)4369.2 WDrop High
2.5 mm²24 A18 A14.98 V (31.21%)33.0 V24.71 V (51.48%)2621.5 WDrop High
4 mm²32 A25 A9.36 V (19.51%)38.6 V15.44 V (32.17%)1638.4 WDrop High
6 mm²41 A32 A6.24 V (13.0%)41.8 V10.3 V (21.45%)1092.3 WDrop High
10 mm²57 A44 A3.74 V (7.8%)44.3 V6.18 V (12.87%)655.4 WDrop High
16 mm²76 A59 A2.34 V (4.88%)45.7 V3.86 V (8.04%)409.6 WDrop High
25 mm²101 A78 A1.5 V (3.12%)46.5 V2.47 V (5.15%)262.1 WDrop High
35 mm²125 A97 A1.07 V (2.23%)46.9 V1.76 V (3.68%)187.2 WDrop High
50 mm²151 A118 A0.75 V (1.56%)47.3 V1.24 V (2.57%)131.1 WDrop High
70 mm²192 A150 A0.54 V (1.11%)47.5 V0.88 V (1.84%)93.6 W✓ OK (≤3%)
95 mm²232 A181 A0.39 V (0.82%)47.6 V0.65 V (1.35%)69.0 W✓ OK (≤3%)
120 mm²269 A210 A0.31 V (0.65%)47.7 V0.51 V (1.07%)54.6 W✓ OK (≤3%)
150 mm²309 A241 A0.25 V (0.52%)47.8 V0.41 V (0.86%)43.7 W✓ OK (≤3%)
185 mm²353 A275 A0.2 V (0.42%)47.8 V0.33 V (0.7%)35.4 W✓ OK (≤3%)
240 mm²415 A324 A0.16 V (0.33%)47.8 V0.26 V (0.54%)27.3 W✓ OK (≤3%)
300 mm²477 A372 A0.12 V (0.26%)47.9 V0.21 V (0.43%)21.8 W✓ OK (≤3%)
400 mm²570 A445 A0.09 V (0.2%)47.9 V0.15 V (0.32%)16.4 W✓ OK (≤3%)

FAQ — 175 Amp Cable Size at 5 Meters (48V DC (LiFePO4 Battery Bank / Telecom))

What mm² cable size is required for 175A at 5 meters (48V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 70 mm² copper cable for 175A over 5m at 48V (voltage drop: 0.54V or 1.11%).

What is the power capacity of 175A at 48V?

At unity power factor, 175A at 48V supports 8.4 kW with a standard 175A circuit breaker.