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

Kabeltverrsnitt for 40 Ampere ved 10 Meter (230V — NEK 400)

Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 40 A over 10 m ved 230V.

Copper Cable (≤3% Drop)6 mm²Drop: 2.85V (1.24%)

Aluminum Cable (≤3% Drop)10 mm²Drop: 2.82V (1.23%)

Voltage at Load227.1 VLine Loss: 114.1 W

Max Power & Breaker9.2 kW40A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 40A at 10m

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	11.41 V (4.96%)	218.6 V	18.83 V (8.19%)	456.5 W	Drop High
2.5 mm²	24 A	18 A	6.85 V (2.98%)	223.2 V	11.3 V (4.91%)	273.9 W	Drop High
4 mm²	32 A	25 A	4.28 V (1.86%)	225.7 V	7.06 V (3.07%)	171.2 W	Drop High
6 mm²	41 A	32 A	2.85 V (1.24%)	227.1 V	4.71 V (2.05%)	114.1 W	✓ OK (≤3%)
10 mm²	57 A	44 A	1.71 V (0.74%)	228.3 V	2.82 V (1.23%)	68.5 W	✓ OK (≤3%)
16 mm²	76 A	59 A	1.07 V (0.47%)	228.9 V	1.76 V (0.77%)	42.8 W	✓ OK (≤3%)
25 mm²	101 A	78 A	0.68 V (0.3%)	229.3 V	1.13 V (0.49%)	27.4 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.49 V (0.21%)	229.5 V	0.81 V (0.35%)	19.6 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.34 V (0.15%)	229.7 V	0.56 V (0.25%)	13.7 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.24 V (0.11%)	229.8 V	0.4 V (0.18%)	9.8 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.18 V (0.08%)	229.8 V	0.3 V (0.13%)	7.2 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.14 V (0.06%)	229.9 V	0.24 V (0.1%)	5.7 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.11 V (0.05%)	229.9 V	0.19 V (0.08%)	4.6 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.09 V (0.04%)	229.9 V	0.15 V (0.07%)	3.7 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.07 V (0.03%)	229.9 V	0.12 V (0.05%)	2.9 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.06 V (0.02%)	229.9 V	0.09 V (0.04%)	2.3 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.04 V (0.02%)	230.0 V	0.07 V (0.03%)	1.7 W	✓ OK (≤3%)

Etter NEK 400 anbefales 6 mm² kobberkabel for 40A ved 10 meter (230V), som gir et spenningsfall på 2.85V (1.24%).

Kursen leverer opptil 9.2 kW med 40A vern.