⚡ IEC 60364-5-52 · DIN VDE · NEK 400 · SS 436 40 00

Kabeltverrsnitt for 5 Ampere ved 45 Meter (400V — NEK 400)

Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 5 A over 45 m ved 400V.

Copper Cable (≤3% Drop)1.5 mm²Drop: 5.56V (1.39%)

Aluminum Cable (≤3% Drop)1.5 mm²Drop: 9.17V (2.29%)

Voltage at Load394.4 VLine Loss: 48.1 W

Max Power & Breaker3.46 kW6A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 5A at 45m

Cross-Section (mm²)	Cu Ampacity	Al Ampacity	Cu Voltage Drop	Load Voltage	Al Voltage Drop	Power Loss	Status
1.5 mm²	16 A	12 A	5.56 V (1.39%)	394.4 V	9.17 V (2.29%)	48.1 W	✓ OK (≤3%)
2.5 mm²	24 A	18 A	3.34 V (0.83%)	396.7 V	5.5 V (1.38%)	28.9 W	✓ OK (≤3%)
4 mm²	32 A	25 A	2.08 V (0.52%)	397.9 V	3.44 V (0.86%)	18.1 W	✓ OK (≤3%)
6 mm²	41 A	32 A	1.39 V (0.35%)	398.6 V	2.29 V (0.57%)	12.0 W	✓ OK (≤3%)
10 mm²	57 A	44 A	0.83 V (0.21%)	399.2 V	1.38 V (0.34%)	7.2 W	✓ OK (≤3%)
16 mm²	76 A	59 A	0.52 V (0.13%)	399.5 V	0.86 V (0.21%)	4.5 W	✓ OK (≤3%)
25 mm²	101 A	78 A	0.33 V (0.08%)	399.7 V	0.55 V (0.14%)	2.9 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.24 V (0.06%)	399.8 V	0.39 V (0.1%)	2.1 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.17 V (0.04%)	399.8 V	0.28 V (0.07%)	1.4 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.12 V (0.03%)	399.9 V	0.2 V (0.05%)	1.0 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.09 V (0.02%)	399.9 V	0.14 V (0.04%)	0.8 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.07 V (0.02%)	399.9 V	0.11 V (0.03%)	0.6 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.06 V (0.01%)	399.9 V	0.09 V (0.02%)	0.5 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.05 V (0.01%)	400.0 V	0.07 V (0.02%)	0.4 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.03 V (0.01%)	400.0 V	0.06 V (0.01%)	0.3 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.03 V (0.01%)	400.0 V	0.05 V (0.01%)	0.2 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.02 V (0.01%)	400.0 V	0.03 V (0.01%)	0.2 W	✓ OK (≤3%)

Etter NEK 400 anbefales 1.5 mm² kobberkabel for 5A ved 45 meter (400V), som gir et spenningsfall på 5.56V (1.39%).

Kursen leverer opptil 3.46 kW med 6A vern.