⚡ 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 (2026-10-25)
⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

Kabeltværsnit for 110 Ampere ved 20 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 110 A over 20 m ved 400V.

Copper Cable (≤3% Drop)35 mm²Drop: 2.33V (0.58%)
Aluminum Cable (≤3% Drop)50 mm²Drop: 2.69V (0.67%)
Voltage at Load397.7 VLine Loss: 443.9 W
Max Power & Breaker76.21 kW110A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 110A at 20m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A54.36 V (13.59%)345.6 V89.67 V (22.42%)10357.6 WDrop High
2.5 mm²24 A18 A32.62 V (8.15%)367.4 V53.8 V (13.45%)6214.6 WDrop High
4 mm²32 A25 A20.39 V (5.1%)379.6 V33.63 V (8.41%)3884.1 WDrop High
6 mm²41 A32 A13.59 V (3.4%)386.4 V22.42 V (5.6%)2589.4 WDrop High
10 mm²57 A44 A8.15 V (2.04%)391.8 V13.45 V (3.36%)1553.6 WDrop High
16 mm²76 A59 A5.1 V (1.27%)394.9 V8.41 V (2.1%)971.0 WDrop High
25 mm²101 A78 A3.26 V (0.82%)396.7 V5.38 V (1.35%)621.5 WDrop High
35 mm²125 A97 A2.33 V (0.58%)397.7 V3.84 V (0.96%)443.9 W✓ OK (≤3%)
50 mm²151 A118 A1.63 V (0.41%)398.4 V2.69 V (0.67%)310.7 W✓ OK (≤3%)
70 mm²192 A150 A1.16 V (0.29%)398.8 V1.92 V (0.48%)221.9 W✓ OK (≤3%)
95 mm²232 A181 A0.86 V (0.21%)399.1 V1.42 V (0.35%)163.5 W✓ OK (≤3%)
120 mm²269 A210 A0.68 V (0.17%)399.3 V1.12 V (0.28%)129.5 W✓ OK (≤3%)
150 mm²309 A241 A0.54 V (0.14%)399.5 V0.9 V (0.22%)103.6 W✓ OK (≤3%)
185 mm²353 A275 A0.44 V (0.11%)399.6 V0.73 V (0.18%)84.0 W✓ OK (≤3%)
240 mm²415 A324 A0.34 V (0.08%)399.7 V0.56 V (0.14%)64.7 W✓ OK (≤3%)
300 mm²477 A372 A0.27 V (0.07%)399.7 V0.45 V (0.11%)51.8 W✓ OK (≤3%)
400 mm²570 A445 A0.2 V (0.05%)399.8 V0.34 V (0.08%)38.8 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 110 Ampere ved 20 Meter (400V)

Hvilket kabeltværsnit kræves til 110A ved 20 meter (400V)?

Til 110 Ampere over 20 meter ved 400V anbefales 35 mm² kobberkabel (spændingsfald 2.33V / 0.58%).

Hvor mange kW svarer 110A ved 400V til?

Det svarer til 76.21 kW med en anbefalet sikring på 110A.