⚡ 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 100 Ampere ved 45 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 100 A over 45 m ved 400V.

Copper Cable (≤3% Drop)25 mm²Drop: 6.67V (1.67%)
Aluminum Cable (≤3% Drop)50 mm²Drop: 5.5V (1.38%)
Voltage at Load393.3 VLine Loss: 1155.6 W
Max Power & Breaker69.28 kW100A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 100A at 45m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A111.2 V (27.8%)288.8 V183.42 V (45.86%)19260.0 WDrop High
2.5 mm²24 A18 A66.72 V (16.68%)333.3 V110.05 V (27.51%)11556.0 WDrop High
4 mm²32 A25 A41.7 V (10.42%)358.3 V68.78 V (17.2%)7222.5 WDrop High
6 mm²41 A32 A27.8 V (6.95%)372.2 V45.86 V (11.46%)4815.0 WDrop High
10 mm²57 A44 A16.68 V (4.17%)383.3 V27.51 V (6.88%)2889.0 WDrop High
16 mm²76 A59 A10.42 V (2.61%)389.6 V17.2 V (4.3%)1805.6 WDrop High
25 mm²101 A78 A6.67 V (1.67%)393.3 V11.01 V (2.75%)1155.6 W✓ OK (≤3%)
35 mm²125 A97 A4.77 V (1.19%)395.2 V7.86 V (1.97%)825.4 W✓ OK (≤3%)
50 mm²151 A118 A3.34 V (0.83%)396.7 V5.5 V (1.38%)577.8 W✓ OK (≤3%)
70 mm²192 A150 A2.38 V (0.6%)397.6 V3.93 V (0.98%)412.7 W✓ OK (≤3%)
95 mm²232 A181 A1.76 V (0.44%)398.2 V2.9 V (0.72%)304.1 W✓ OK (≤3%)
120 mm²269 A210 A1.39 V (0.35%)398.6 V2.29 V (0.57%)240.7 W✓ OK (≤3%)
150 mm²309 A241 A1.11 V (0.28%)398.9 V1.83 V (0.46%)192.6 W✓ OK (≤3%)
185 mm²353 A275 A0.9 V (0.23%)399.1 V1.49 V (0.37%)156.2 W✓ OK (≤3%)
240 mm²415 A324 A0.69 V (0.17%)399.3 V1.15 V (0.29%)120.4 W✓ OK (≤3%)
300 mm²477 A372 A0.56 V (0.14%)399.4 V0.92 V (0.23%)96.3 W✓ OK (≤3%)
400 mm²570 A445 A0.42 V (0.1%)399.6 V0.69 V (0.17%)72.2 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 100 Ampere ved 45 Meter (400V)

Hvilket kabeltværsnit kræves til 100A ved 45 meter (400V)?

Til 100 Ampere over 45 meter ved 400V anbefales 25 mm² kobberkabel (spændingsfald 6.67V / 1.67%).

Hvor mange kW svarer 100A ved 400V til?

Det svarer til 69.28 kW med en anbefalet sikring på 100A.