⚡ 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

600 Amp Cable Size at 10 Meters (24V DC (Off-Grid Solar / Industrial Control))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 600 A over 10 m (32.8 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 0.32V (1.33%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.06V (4.41%)
Voltage at Load23.7 VLine Loss: 192.6 W
Max Power & Breaker14.4 kW600A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 600A at 10m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A171.2 V (713.33%)0.0 V282.4 V (1176.67%)102720.0 WDrop High
2.5 mm²24 A18 A102.72 V (428.0%)0.0 V169.44 V (706.0%)61632.0 WDrop High
4 mm²32 A25 A64.2 V (267.5%)0.0 V105.9 V (441.25%)38520.0 WDrop High
6 mm²41 A32 A42.8 V (178.33%)0.0 V70.6 V (294.17%)25680.0 WDrop High
10 mm²57 A44 A25.68 V (107.0%)0.0 V42.36 V (176.5%)15408.0 WDrop High
16 mm²76 A59 A16.05 V (66.88%)7.9 V26.47 V (110.31%)9630.0 WDrop High
25 mm²101 A78 A10.27 V (42.8%)13.7 V16.94 V (70.6%)6163.2 WDrop High
35 mm²125 A97 A7.34 V (30.57%)16.7 V12.1 V (50.43%)4402.3 WDrop High
50 mm²151 A118 A5.14 V (21.4%)18.9 V8.47 V (35.3%)3081.6 WDrop High
70 mm²192 A150 A3.67 V (15.29%)20.3 V6.05 V (25.21%)2201.1 WDrop High
95 mm²232 A181 A2.7 V (11.26%)21.3 V4.46 V (18.58%)1621.9 WDrop High
120 mm²269 A210 A2.14 V (8.92%)21.9 V3.53 V (14.71%)1284.0 WDrop High
150 mm²309 A241 A1.71 V (7.13%)22.3 V2.82 V (11.77%)1027.2 WDrop High
185 mm²353 A275 A1.39 V (5.78%)22.6 V2.29 V (9.54%)832.9 WDrop High
240 mm²415 A324 A1.07 V (4.46%)22.9 V1.76 V (7.35%)642.0 WDrop High
300 mm²477 A372 A0.86 V (3.57%)23.1 V1.41 V (5.88%)513.6 WDrop High
400 mm²570 A445 A0.64 V (2.67%)23.4 V1.06 V (4.41%)385.2 WDrop High

FAQ — 600 Amp Cable Size at 10 Meters (24V DC (Off-Grid Solar / Industrial Control))

What mm² cable size is required for 600A at 10 meters (24V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 600A over 10m at 24V (voltage drop: 0.32V or 1.33%).

What is the power capacity of 600A at 24V?

At unity power factor, 600A at 24V supports 14.4 kW with a standard 600A circuit breaker.