⚡ 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 425 Ampere ved 200 Meter (400V — NEK 400)

Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 425 A over 200 m ved 400V.

Copper Cable (≤3% Drop)300 mm²Drop: 10.5V (2.63%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 12.99V (3.25%)
Voltage at Load389.5 VLine Loss: 7730.7 W
Max Power & Breaker294.45 kW450A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 425A at 200m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A2100.4 V (525.1%)0.0 V3464.68 V (866.17%)1546150.0 WDrop High
2.5 mm²24 A18 A1260.24 V (315.06%)0.0 V2078.81 V (519.7%)927690.0 WDrop High
4 mm²32 A25 A787.65 V (196.91%)0.0 V1299.25 V (324.81%)579806.2 WDrop High
6 mm²41 A32 A525.1 V (131.28%)0.0 V866.17 V (216.54%)386537.5 WDrop High
10 mm²57 A44 A315.06 V (78.77%)84.9 V519.7 V (129.93%)231922.5 WDrop High
16 mm²76 A59 A196.91 V (49.23%)203.1 V324.81 V (81.2%)144951.6 WDrop High
25 mm²101 A78 A126.02 V (31.51%)274.0 V207.88 V (51.97%)92769.0 WDrop High
35 mm²125 A97 A90.02 V (22.5%)310.0 V148.49 V (37.12%)66263.6 WDrop High
50 mm²151 A118 A63.01 V (15.75%)337.0 V103.94 V (25.99%)46384.5 WDrop High
70 mm²192 A150 A45.01 V (11.25%)355.0 V74.24 V (18.56%)33131.8 WDrop High
95 mm²232 A181 A33.16 V (8.29%)366.8 V54.71 V (13.68%)24412.9 WDrop High
120 mm²269 A210 A26.26 V (6.56%)373.7 V43.31 V (10.83%)19326.9 WDrop High
150 mm²309 A241 A21.0 V (5.25%)379.0 V34.65 V (8.66%)15461.5 WDrop High
185 mm²353 A275 A17.03 V (4.26%)383.0 V28.09 V (7.02%)12536.4 WDrop High
240 mm²415 A324 A13.13 V (3.28%)386.9 V21.65 V (5.41%)9663.4 WDrop High
300 mm²477 A372 A10.5 V (2.63%)389.5 V17.32 V (4.33%)7730.7 W✓ OK (≤3%)
400 mm²570 A445 A7.88 V (1.97%)392.1 V12.99 V (3.25%)5798.1 W✓ OK (≤3%)

FAQ — Kabeltverrsnitt for 425 Ampere ved 200 Meter (400V — NEK 400)

Hvilket kabeltverrsnitt må jeg bruke for 425A over 200 meter (400V)?

Etter NEK 400 anbefales 300 mm² kobberkabel for 425A ved 200 meter (400V), som gir et spenningsfall på 10.5V (2.63%).

Hvor mange kW tåler 425A ved 400V?

Kursen leverer opptil 294.45 kW med 450A vern.