⚡ 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

110 Amp Cable Size at 80 Meters (24V DC (Off-Grid Solar / Industrial Control))

IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 110 A over 80 m (262.5 ft).

Copper Cable (≤3% Drop)2× 400 mm²Drop: 0.47V (1.96%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 1.55V (6.47%)
Voltage at Load23.5 VLine Loss: 51.8 W
Max Power & Breaker2.64 kW110A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 110A at 80m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A251.09 V (1046.22%)0.0 V414.19 V (1725.78%)27620.3 WDrop High
2.5 mm²24 A18 A150.66 V (627.73%)0.0 V248.51 V (1035.47%)16572.2 WDrop High
4 mm²32 A25 A94.16 V (392.33%)0.0 V155.32 V (647.17%)10357.6 WDrop High
6 mm²41 A32 A62.77 V (261.56%)0.0 V103.55 V (431.44%)6905.1 WDrop High
10 mm²57 A44 A37.66 V (156.93%)0.0 V62.13 V (258.87%)4143.0 WDrop High
16 mm²76 A59 A23.54 V (98.08%)0.5 V38.83 V (161.79%)2589.4 WDrop High
25 mm²101 A78 A15.07 V (62.77%)8.9 V24.85 V (103.55%)1657.2 WDrop High
35 mm²125 A97 A10.76 V (44.84%)13.2 V17.75 V (73.96%)1183.7 WDrop High
50 mm²151 A118 A7.53 V (31.39%)16.5 V12.43 V (51.77%)828.6 WDrop High
70 mm²192 A150 A5.38 V (22.42%)18.6 V8.88 V (36.98%)591.9 WDrop High
95 mm²232 A181 A3.96 V (16.52%)20.0 V6.54 V (27.25%)436.1 WDrop High
120 mm²269 A210 A3.14 V (13.08%)20.9 V5.18 V (21.57%)345.3 WDrop High
150 mm²309 A241 A2.51 V (10.46%)21.5 V4.14 V (17.26%)276.2 WDrop High
185 mm²353 A275 A2.04 V (8.48%)22.0 V3.36 V (13.99%)223.9 WDrop High
240 mm²415 A324 A1.57 V (6.54%)22.4 V2.59 V (10.79%)172.6 WDrop High
300 mm²477 A372 A1.26 V (5.23%)22.7 V2.07 V (8.63%)138.1 WDrop High
400 mm²570 A445 A0.94 V (3.92%)23.1 V1.55 V (6.47%)103.6 W~ ≤5%

FAQ — 110 Amp Cable Size at 80 Meters (24V DC (Off-Grid Solar / Industrial Control))

What mm² cable size is required for 110A at 80 meters (24V)?

According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 2× 400 mm² copper cable for 110A over 80m at 24V (voltage drop: 0.47V or 1.96%).

What is the power capacity of 110A at 24V?

At unity power factor, 110A at 24V supports 2.64 kW with a standard 110A circuit breaker.