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

Kabeltverrsnitt for 25 Ampere ved 5 Meter (230V — NEK 400)

Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 25 A over 5 m ved 230V.

Copper Cable (≤3% Drop)4 mm²Drop: 1.34V (0.58%)

Aluminum Cable (≤3% Drop)4 mm²Drop: 2.21V (0.96%)

Voltage at Load228.7 VLine Loss: 33.4 W

Max Power & Breaker5.75 kW25A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 25A at 5m

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	3.57 V (1.55%)	226.4 V	5.88 V (2.56%)	89.2 W	Drop High
2.5 mm²	24 A	18 A	2.14 V (0.93%)	227.9 V	3.53 V (1.53%)	53.5 W	Drop High
4 mm²	32 A	25 A	1.34 V (0.58%)	228.7 V	2.21 V (0.96%)	33.4 W	✓ OK (≤3%)
6 mm²	41 A	32 A	0.89 V (0.39%)	229.1 V	1.47 V (0.64%)	22.3 W	✓ OK (≤3%)
10 mm²	57 A	44 A	0.53 V (0.23%)	229.5 V	0.88 V (0.38%)	13.4 W	✓ OK (≤3%)
16 mm²	76 A	59 A	0.33 V (0.15%)	229.7 V	0.55 V (0.24%)	8.4 W	✓ OK (≤3%)
25 mm²	101 A	78 A	0.21 V (0.09%)	229.8 V	0.35 V (0.15%)	5.3 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.15 V (0.07%)	229.8 V	0.25 V (0.11%)	3.8 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.11 V (0.05%)	229.9 V	0.18 V (0.08%)	2.7 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.08 V (0.03%)	229.9 V	0.13 V (0.05%)	1.9 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.06 V (0.02%)	229.9 V	0.09 V (0.04%)	1.4 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.04 V (0.02%)	230.0 V	0.07 V (0.03%)	1.1 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.04 V (0.02%)	230.0 V	0.06 V (0.03%)	0.9 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.03 V (0.01%)	230.0 V	0.05 V (0.02%)	0.7 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.02 V (0.01%)	230.0 V	0.04 V (0.02%)	0.6 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.02 V (0.01%)	230.0 V	0.03 V (0.01%)	0.4 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.01 V (0.01%)	230.0 V	0.02 V (0.01%)	0.3 W	✓ OK (≤3%)

Etter NEK 400 anbefales 4 mm² kobberkabel for 25A ved 5 meter (230V), som gir et spenningsfall på 1.34V (0.58%).

Kursen leverer opptil 5.75 kW med 25A vern.