⚡ 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

Kabeltverrsnitt for 325 Ampere ved 5 Meter (230V — NEK 400)

Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 325 A over 5 m ved 230V.

Copper Cable (≤3% Drop)185 mm²Drop: 0.38V (0.16%)
Aluminum Cable (≤3% Drop)300 mm²Drop: 0.38V (0.17%)
Voltage at Load229.6 VLine Loss: 122.2 W
Max Power & Breaker74.75 kW350A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 325A at 5m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A46.37 V (20.16%)183.6 V76.48 V (33.25%)15069.2 WDrop High
2.5 mm²24 A18 A27.82 V (12.1%)202.2 V45.89 V (19.95%)9041.5 WDrop High
4 mm²32 A25 A17.39 V (7.56%)212.6 V28.68 V (12.47%)5650.9 WDrop High
6 mm²41 A32 A11.59 V (5.04%)218.4 V19.12 V (8.31%)3767.3 WDrop High
10 mm²57 A44 A6.96 V (3.02%)223.0 V11.47 V (4.99%)2260.4 WDrop High
16 mm²76 A59 A4.35 V (1.89%)225.7 V7.17 V (3.12%)1412.7 WDrop High
25 mm²101 A78 A2.78 V (1.21%)227.2 V4.59 V (2.0%)904.1 WDrop High
35 mm²125 A97 A1.99 V (0.86%)228.0 V3.28 V (1.43%)645.8 WDrop High
50 mm²151 A118 A1.39 V (0.6%)228.6 V2.29 V (1.0%)452.1 WDrop High
70 mm²192 A150 A0.99 V (0.43%)229.0 V1.64 V (0.71%)322.9 WDrop High
95 mm²232 A181 A0.73 V (0.32%)229.3 V1.21 V (0.53%)237.9 WDrop High
120 mm²269 A210 A0.58 V (0.25%)229.4 V0.96 V (0.42%)188.4 WDrop High
150 mm²309 A241 A0.46 V (0.2%)229.5 V0.76 V (0.33%)150.7 WDrop High
185 mm²353 A275 A0.38 V (0.16%)229.6 V0.62 V (0.27%)122.2 W✓ OK (≤3%)
240 mm²415 A324 A0.29 V (0.13%)229.7 V0.48 V (0.21%)94.2 W✓ OK (≤3%)
300 mm²477 A372 A0.23 V (0.1%)229.8 V0.38 V (0.17%)75.3 W✓ OK (≤3%)
400 mm²570 A445 A0.17 V (0.08%)229.8 V0.29 V (0.12%)56.5 W✓ OK (≤3%)

FAQ — Kabeltverrsnitt for 325 Ampere ved 5 Meter (230V — NEK 400)

Hvilket kabeltverrsnitt må jeg bruke for 325A over 5 meter (230V)?

Etter NEK 400 anbefales 185 mm² kobberkabel for 325A ved 5 meter (230V), som gir et spenningsfall på 0.38V (0.16%).

Hvor mange kW tåler 325A ved 230V?

Kursen leverer opptil 74.75 kW med 350A vern.