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

Kabeltverrsnitt for 32 Ampere ved 25 Meter (400V — NEK 400)

Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 32 A over 25 m ved 400V.

Copper Cable (≤3% Drop)4 mm²Drop: 7.41V (1.85%)

Aluminum Cable (≤3% Drop)6 mm²Drop: 8.15V (2.04%)

Voltage at Load392.6 VLine Loss: 410.9 W

Max Power & Breaker22.17 kW32A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 25m

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	19.77 V (4.94%)	380.2 V	32.61 V (8.15%)	1095.7 W	Drop High
2.5 mm²	24 A	18 A	11.86 V (2.97%)	388.1 V	19.57 V (4.89%)	657.4 W	Drop High
4 mm²	32 A	25 A	7.41 V (1.85%)	392.6 V	12.23 V (3.06%)	410.9 W	✓ OK (≤3%)
6 mm²	41 A	32 A	4.94 V (1.24%)	395.1 V	8.15 V (2.04%)	273.9 W	✓ OK (≤3%)
10 mm²	57 A	44 A	2.97 V (0.74%)	397.0 V	4.89 V (1.22%)	164.4 W	✓ OK (≤3%)
16 mm²	76 A	59 A	1.85 V (0.46%)	398.1 V	3.06 V (0.76%)	102.7 W	✓ OK (≤3%)
25 mm²	101 A	78 A	1.19 V (0.3%)	398.8 V	1.96 V (0.49%)	65.7 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.85 V (0.21%)	399.2 V	1.4 V (0.35%)	47.0 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.59 V (0.15%)	399.4 V	0.98 V (0.24%)	32.9 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.42 V (0.11%)	399.6 V	0.7 V (0.17%)	23.5 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.31 V (0.08%)	399.7 V	0.51 V (0.13%)	17.3 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.25 V (0.06%)	399.8 V	0.41 V (0.1%)	13.7 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.2 V (0.05%)	399.8 V	0.33 V (0.08%)	11.0 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.16 V (0.04%)	399.8 V	0.26 V (0.07%)	8.9 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.12 V (0.03%)	399.9 V	0.2 V (0.05%)	6.8 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.1 V (0.02%)	399.9 V	0.16 V (0.04%)	5.5 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.07 V (0.02%)	399.9 V	0.12 V (0.03%)	4.1 W	✓ OK (≤3%)

Etter NEK 400 anbefales 4 mm² kobberkabel for 32A ved 25 meter (400V), som gir et spenningsfall på 7.41V (1.85%).

Kursen leverer opptil 22.17 kW med 32A vern.