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

Kabeltverrsnitt for 32 Ampere ved 70 Meter (400V — NEK 400)

Nøyaktig beregning av kabeltverrsnitt (mm²), spenningsfall og sikring etter norsk standard NEK 400 for 32 A over 70 m ved 400V.

Copper Cable (≤3% Drop)10 mm²Drop: 8.3V (2.08%)

Aluminum Cable (≤3% Drop)16 mm²Drop: 8.56V (2.14%)

Voltage at Load391.7 VLine Loss: 460.2 W

Max Power & Breaker22.17 kW32A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 70m

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	55.35 V (13.84%)	344.6 V	91.3 V (22.83%)	3067.9 W	Drop High
2.5 mm²	24 A	18 A	33.21 V (8.3%)	366.8 V	54.78 V (13.7%)	1840.7 W	Drop High
4 mm²	32 A	25 A	20.76 V (5.19%)	379.2 V	34.24 V (8.56%)	1150.5 W	Drop High
6 mm²	41 A	32 A	13.84 V (3.46%)	386.2 V	22.83 V (5.71%)	767.0 W	~ ≤5%
10 mm²	57 A	44 A	8.3 V (2.08%)	391.7 V	13.7 V (3.42%)	460.2 W	✓ OK (≤3%)
16 mm²	76 A	59 A	5.19 V (1.3%)	394.8 V	8.56 V (2.14%)	287.6 W	✓ OK (≤3%)
25 mm²	101 A	78 A	3.32 V (0.83%)	396.7 V	5.48 V (1.37%)	184.1 W	✓ OK (≤3%)
35 mm²	125 A	97 A	2.37 V (0.59%)	397.6 V	3.91 V (0.98%)	131.5 W	✓ OK (≤3%)
50 mm²	151 A	118 A	1.66 V (0.42%)	398.3 V	2.74 V (0.68%)	92.0 W	✓ OK (≤3%)
70 mm²	192 A	150 A	1.19 V (0.3%)	398.8 V	1.96 V (0.49%)	65.7 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.87 V (0.22%)	399.1 V	1.44 V (0.36%)	48.4 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.69 V (0.17%)	399.3 V	1.14 V (0.29%)	38.3 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.55 V (0.14%)	399.4 V	0.91 V (0.23%)	30.7 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.45 V (0.11%)	399.6 V	0.74 V (0.19%)	24.9 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.35 V (0.09%)	399.7 V	0.57 V (0.14%)	19.2 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.28 V (0.07%)	399.7 V	0.46 V (0.11%)	15.3 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.21 V (0.05%)	399.8 V	0.34 V (0.09%)	11.5 W	✓ OK (≤3%)

Etter NEK 400 anbefales 10 mm² kobberkabel for 32A ved 70 meter (400V), som gir et spenningsfall på 8.3V (2.08%).

Kursen leverer opptil 22.17 kW med 32A vern.