⚡ 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 70 Ampere ved 80 Meter (230V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 70 A over 80 m ved 230V.

Copper Cable (≤3% Drop)35 mm²Drop: 6.85V (2.98%)
Aluminum Cable (≤3% Drop)70 mm²Drop: 5.65V (2.46%)
Voltage at Load223.2 VLine Loss: 479.4 W
Max Power & Breaker16.1 kW70A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 70A at 80m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A159.79 V (69.47%)70.2 V263.57 V (114.6%)11185.1 WDrop High
2.5 mm²24 A18 A95.87 V (41.68%)134.1 V158.14 V (68.76%)6711.0 WDrop High
4 mm²32 A25 A59.92 V (26.05%)170.1 V98.84 V (42.97%)4194.4 WDrop High
6 mm²41 A32 A39.95 V (17.37%)190.1 V65.89 V (28.65%)2796.3 WDrop High
10 mm²57 A44 A23.97 V (10.42%)206.0 V39.54 V (17.19%)1677.8 WDrop High
16 mm²76 A59 A14.98 V (6.51%)215.0 V24.71 V (10.74%)1048.6 WDrop High
25 mm²101 A78 A9.59 V (4.17%)220.4 V15.81 V (6.88%)671.1 W~ ≤5%
35 mm²125 A97 A6.85 V (2.98%)223.2 V11.3 V (4.91%)479.4 W✓ OK (≤3%)
50 mm²151 A118 A4.79 V (2.08%)225.2 V7.91 V (3.44%)335.6 W✓ OK (≤3%)
70 mm²192 A150 A3.42 V (1.49%)226.6 V5.65 V (2.46%)239.7 W✓ OK (≤3%)
95 mm²232 A181 A2.52 V (1.1%)227.5 V4.16 V (1.81%)176.6 W✓ OK (≤3%)
120 mm²269 A210 A2.0 V (0.87%)228.0 V3.29 V (1.43%)139.8 W✓ OK (≤3%)
150 mm²309 A241 A1.6 V (0.69%)228.4 V2.64 V (1.15%)111.9 W✓ OK (≤3%)
185 mm²353 A275 A1.3 V (0.56%)228.7 V2.14 V (0.93%)90.7 W✓ OK (≤3%)
240 mm²415 A324 A1.0 V (0.43%)229.0 V1.65 V (0.72%)69.9 W✓ OK (≤3%)
300 mm²477 A372 A0.8 V (0.35%)229.2 V1.32 V (0.57%)55.9 W✓ OK (≤3%)
400 mm²570 A445 A0.6 V (0.26%)229.4 V0.99 V (0.43%)41.9 W✓ OK (≤3%)

FAQ — Kabeltværsnit for 70 Ampere ved 80 Meter (230V)

Hvilket kabeltværsnit kræves til 70A ved 80 meter (230V)?

Til 70 Ampere over 80 meter ved 230V anbefales 35 mm² kobberkabel (spændingsfald 6.85V / 2.98%).

Hvor mange kW svarer 70A ved 230V til?

Det svarer til 16.1 kW med en anbefalet sikring på 70A.