⚡ 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 650 Ampere ved 175 Meter (400V — NEK 400)

Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 650 A over 175 m ved 400V.

Copper Cable (≤3% Drop)2× 400 mm²Drop: 5.27V (1.32%)
Aluminum Cable (≤3% Drop)400 mm²Drop: 17.39V (4.35%)
Voltage at Load394.7 VLine Loss: 5933.5 W
Max Power & Breaker450.33 kW700A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 650A at 175m

Cross-Section (mm²)Cu AmpacityAl Ampacity Cu Voltage DropLoad VoltageAl Voltage DropPower LossStatus
1.5 mm²16 A12 A2810.83 V (702.71%)0.0 V4636.56 V (1159.14%)3164525.0 WDrop High
2.5 mm²24 A18 A1686.5 V (421.62%)0.0 V2781.93 V (695.48%)1898715.0 WDrop High
4 mm²32 A25 A1054.06 V (263.52%)0.0 V1738.71 V (434.68%)1186696.9 WDrop High
6 mm²41 A32 A702.71 V (175.68%)0.0 V1159.14 V (289.78%)791131.2 WDrop High
10 mm²57 A44 A421.62 V (105.41%)0.0 V695.48 V (173.87%)474678.7 WDrop High
16 mm²76 A59 A263.52 V (65.88%)136.5 V434.68 V (108.67%)296674.2 WDrop High
25 mm²101 A78 A168.65 V (42.16%)231.4 V278.19 V (69.55%)189871.5 WDrop High
35 mm²125 A97 A120.46 V (30.12%)279.5 V198.71 V (49.68%)135622.5 WDrop High
50 mm²151 A118 A84.32 V (21.08%)315.7 V139.1 V (34.77%)94935.8 WDrop High
70 mm²192 A150 A60.23 V (15.06%)339.8 V99.35 V (24.84%)67811.2 WDrop High
95 mm²232 A181 A44.38 V (11.1%)355.6 V73.21 V (18.3%)49966.2 WDrop High
120 mm²269 A210 A35.14 V (8.78%)364.9 V57.96 V (14.49%)39556.6 WDrop High
150 mm²309 A241 A28.11 V (7.03%)371.9 V46.37 V (11.59%)31645.2 WDrop High
185 mm²353 A275 A22.79 V (5.7%)377.2 V37.59 V (9.4%)25658.3 WDrop High
240 mm²415 A324 A17.57 V (4.39%)382.4 V28.98 V (7.24%)19778.3 WDrop High
300 mm²477 A372 A14.05 V (3.51%)385.9 V23.18 V (5.8%)15822.6 WDrop High
400 mm²570 A445 A10.54 V (2.64%)389.5 V17.39 V (4.35%)11867.0 WDrop High

FAQ — Kabeltverrsnitt for 650 Ampere ved 175 Meter (400V — NEK 400)

Hvilket kabeltverrsnitt må jeg bruke for 650A over 175 meter (400V)?

Etter NEK 400 anbefales 2× 400 mm² kobberkabel for 650A ved 175 meter (400V), som gir et spenningsfall på 5.27V (1.32%).

Hvor mange kW tåler 650A ved 400V?

Kursen leverer opptil 450.33 kW med 700A vern.