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

Kabeltværsnit for 32 Ampere ved 80 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 32 A over 80 m ved 400V.

Copper Cable (≤3% Drop)10 mm²Drop: 9.49V (2.37%)

Aluminum Cable (≤3% Drop)16 mm²Drop: 9.78V (2.45%)

Voltage at Load390.5 VLine Loss: 525.9 W

Max Power & Breaker22.17 kW32A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 80m

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	63.26 V (15.81%)	336.7 V	104.35 V (26.09%)	3506.2 W	Drop High
2.5 mm²	24 A	18 A	37.96 V (9.49%)	362.0 V	62.61 V (15.65%)	2103.7 W	Drop High
4 mm²	32 A	25 A	23.72 V (5.93%)	376.3 V	39.13 V (9.78%)	1314.8 W	Drop High
6 mm²	41 A	32 A	15.81 V (3.95%)	384.2 V	26.09 V (6.52%)	876.5 W	~ ≤5%
10 mm²	57 A	44 A	9.49 V (2.37%)	390.5 V	15.65 V (3.91%)	525.9 W	✓ OK (≤3%)
16 mm²	76 A	59 A	5.93 V (1.48%)	394.1 V	9.78 V (2.45%)	328.7 W	✓ OK (≤3%)
25 mm²	101 A	78 A	3.8 V (0.95%)	396.2 V	6.26 V (1.57%)	210.4 W	✓ OK (≤3%)
35 mm²	125 A	97 A	2.71 V (0.68%)	397.3 V	4.47 V (1.12%)	150.3 W	✓ OK (≤3%)
50 mm²	151 A	118 A	1.9 V (0.47%)	398.1 V	3.13 V (0.78%)	105.2 W	✓ OK (≤3%)
70 mm²	192 A	150 A	1.36 V (0.34%)	398.6 V	2.24 V (0.56%)	75.1 W	✓ OK (≤3%)
95 mm²	232 A	181 A	1.0 V (0.25%)	399.0 V	1.65 V (0.41%)	55.4 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.79 V (0.2%)	399.2 V	1.3 V (0.33%)	43.8 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.63 V (0.16%)	399.4 V	1.04 V (0.26%)	35.1 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.51 V (0.13%)	399.5 V	0.85 V (0.21%)	28.4 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.4 V (0.1%)	399.6 V	0.65 V (0.16%)	21.9 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.32 V (0.08%)	399.7 V	0.52 V (0.13%)	17.5 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.24 V (0.06%)	399.8 V	0.39 V (0.1%)	13.1 W	✓ OK (≤3%)

Til 32 Ampere over 80 meter ved 400V anbefales 10 mm² kobberkabel (spændingsfald 9.49V / 2.37%).

Det svarer til 22.17 kW med en anbefalet sikring på 32A.