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

Kabeltverrsnitt for 30 Ampere ved 5 Meter (400V — NEK 400)

Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 30 A over 5 m ved 400V.

Copper Cable (≤3% Drop)4 mm²Drop: 1.39V (0.35%)

Aluminum Cable (≤3% Drop)6 mm²Drop: 1.53V (0.38%)

Voltage at Load398.6 VLine Loss: 72.2 W

Max Power & Breaker20.78 kW30A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 30A 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	3.71 V (0.93%)	396.3 V	6.11 V (1.53%)	192.6 W	Drop High
2.5 mm²	24 A	18 A	2.22 V (0.56%)	397.8 V	3.67 V (0.92%)	115.6 W	Drop High
4 mm²	32 A	25 A	1.39 V (0.35%)	398.6 V	2.29 V (0.57%)	72.2 W	✓ OK (≤3%)
6 mm²	41 A	32 A	0.93 V (0.23%)	399.1 V	1.53 V (0.38%)	48.1 W	✓ OK (≤3%)
10 mm²	57 A	44 A	0.56 V (0.14%)	399.4 V	0.92 V (0.23%)	28.9 W	✓ OK (≤3%)
16 mm²	76 A	59 A	0.35 V (0.09%)	399.7 V	0.57 V (0.14%)	18.1 W	✓ OK (≤3%)
25 mm²	101 A	78 A	0.22 V (0.06%)	399.8 V	0.37 V (0.09%)	11.6 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.16 V (0.04%)	399.8 V	0.26 V (0.07%)	8.3 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.11 V (0.03%)	399.9 V	0.18 V (0.05%)	5.8 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.08 V (0.02%)	399.9 V	0.13 V (0.03%)	4.1 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.06 V (0.01%)	399.9 V	0.1 V (0.02%)	3.0 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.05 V (0.01%)	400.0 V	0.08 V (0.02%)	2.4 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.04 V (0.01%)	400.0 V	0.06 V (0.02%)	1.9 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.03 V (0.01%)	400.0 V	0.05 V (0.01%)	1.6 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.02 V (0.01%)	400.0 V	0.04 V (0.01%)	1.2 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.02 V (0.0%)	400.0 V	0.03 V (0.01%)	1.0 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.01 V (0.0%)	400.0 V	0.02 V (0.01%)	0.7 W	✓ OK (≤3%)

Etter NEK 400 anbefales 4 mm² kobberkabel for 30A ved 5 meter (400V), som gir et spenningsfall på 1.39V (0.35%).

Kursen leverer opptil 20.78 kW med 30A vern.