⚡ 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

Kabeltværsnit for 400 Ampere ved 15 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 400 A over 15 m ved 400V.

Copper Cable (≤3% Drop)240 mm²Drop: 0.93V (0.23%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 0.92V (0.23%)
Voltage at Load399.1 VLine Loss: 642.0 W
Max Power & Breaker277.13 kW400A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 400A at 15m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A148.26 V (37.07%)251.7 V244.57 V (61.14%)102720.0 WDrop High
2.5 mm²24 A18 A88.96 V (22.24%)311.0 V146.74 V (36.68%)61632.0 WDrop High
4 mm²32 A25 A55.6 V (13.9%)344.4 V91.71 V (22.93%)38520.0 WDrop High
6 mm²41 A32 A37.07 V (9.27%)362.9 V61.14 V (15.29%)25680.0 WDrop High
10 mm²57 A44 A22.24 V (5.56%)377.8 V36.68 V (9.17%)15408.0 WDrop High
16 mm²76 A59 A13.9 V (3.47%)386.1 V22.93 V (5.73%)9630.0 WDrop High
25 mm²101 A78 A8.9 V (2.22%)391.1 V14.67 V (3.67%)6163.2 WDrop High
35 mm²125 A97 A6.35 V (1.59%)393.6 V10.48 V (2.62%)4402.3 WDrop High
50 mm²151 A118 A4.45 V (1.11%)395.6 V7.34 V (1.83%)3081.6 WDrop High
70 mm²192 A150 A3.18 V (0.79%)396.8 V5.24 V (1.31%)2201.1 WDrop High
95 mm²232 A181 A2.34 V (0.59%)397.7 V3.86 V (0.97%)1621.9 WDrop High
120 mm²269 A210 A1.85 V (0.46%)398.1 V3.06 V (0.76%)1284.0 WDrop High
150 mm²309 A241 A1.48 V (0.37%)398.5 V2.45 V (0.61%)1027.2 WDrop High
185 mm²353 A275 A1.2 V (0.3%)398.8 V1.98 V (0.5%)832.9 WDrop High
240 mm²415 A324 A0.93 V (0.23%)399.1 V1.53 V (0.38%)642.0 W✓ OK (≤3%)
300 mm²477 A372 A0.74 V (0.19%)399.3 V1.22 V (0.31%)513.6 W✓ OK (≤3%)
400 mm²570 A445 A0.56 V (0.14%)399.4 V0.92 V (0.23%)385.2 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 400 Ampere ved 15 Meter (400V)

Hvilket kabeltværsnit kræves til 400A ved 15 meter (400V)?

Til 400 Ampere over 15 meter ved 400V anbefales 240 mm² kobberkabel (spændingsfald 0.93V / 0.23%).

Hvor mange kW svarer 400A ved 400V til?

Det svarer til 277.13 kW med en anbefalet sikring på 400A.