⚡ 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

Kabeltverrsnitt for 5 Ampere ved 35 Meter (400V — NEK 400)

Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 5 A over 35 m ved 400V.

Copper Cable (≤3% Drop)1.5 mm²Drop: 4.32V (1.08%)
Aluminum Cable (≤3% Drop)1.5 mm²Drop: 7.13V (1.78%)
Voltage at Load395.7 VLine Loss: 37.5 W
Max Power & Breaker3.46 kW6A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 5A at 35m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A4.32 V (1.08%)395.7 V7.13 V (1.78%)37.5 W✓ OK (≤3%)
2.5 mm²24 A18 A2.59 V (0.65%)397.4 V4.28 V (1.07%)22.5 W✓ OK (≤3%)
4 mm²32 A25 A1.62 V (0.41%)398.4 V2.67 V (0.67%)14.0 W✓ OK (≤3%)
6 mm²41 A32 A1.08 V (0.27%)398.9 V1.78 V (0.45%)9.4 W✓ OK (≤3%)
10 mm²57 A44 A0.65 V (0.16%)399.4 V1.07 V (0.27%)5.6 W✓ OK (≤3%)
16 mm²76 A59 A0.41 V (0.1%)399.6 V0.67 V (0.17%)3.5 W✓ OK (≤3%)
25 mm²101 A78 A0.26 V (0.06%)399.7 V0.43 V (0.11%)2.2 W✓ OK (≤3%)
35 mm²125 A97 A0.19 V (0.05%)399.8 V0.31 V (0.08%)1.6 W✓ OK (≤3%)
50 mm²151 A118 A0.13 V (0.03%)399.9 V0.21 V (0.05%)1.1 W✓ OK (≤3%)
70 mm²192 A150 A0.09 V (0.02%)399.9 V0.15 V (0.04%)0.8 W✓ OK (≤3%)
95 mm²232 A181 A0.07 V (0.02%)399.9 V0.11 V (0.03%)0.6 W✓ OK (≤3%)
120 mm²269 A210 A0.05 V (0.01%)399.9 V0.09 V (0.02%)0.5 W✓ OK (≤3%)
150 mm²309 A241 A0.04 V (0.01%)400.0 V0.07 V (0.02%)0.4 W✓ OK (≤3%)
185 mm²353 A275 A0.04 V (0.01%)400.0 V0.06 V (0.01%)0.3 W✓ OK (≤3%)
240 mm²415 A324 A0.03 V (0.01%)400.0 V0.04 V (0.01%)0.2 W✓ OK (≤3%)
300 mm²477 A372 A0.02 V (0.01%)400.0 V0.04 V (0.01%)0.2 W✓ OK (≤3%)
400 mm²570 A445 A0.02 V (0.0%)400.0 V0.03 V (0.01%)0.1 W✓ OK (≤3%)

FAQ — Kabeltverrsnitt for 5 Ampere ved 35 Meter (400V — NEK 400)

Hvilket kabeltverrsnitt må jeg bruke for 5A over 35 meter (400V)?

Etter NEK 400 anbefales 1.5 mm² kobberkabel for 5A ved 35 meter (400V), som gir et spenningsfall på 4.32V (1.08%).

Hvor mange kW tåler 5A ved 400V?

Kursen leverer opptil 3.46 kW med 6A vern.