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

Kabeltværsnit for 32 Ampere ved 50 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 32 A over 50 m ved 400V.

Copper Cable (≤3% Drop)6 mm²Drop: 9.88V (2.47%)

Aluminum Cable (≤3% Drop)10 mm²Drop: 9.78V (2.45%)

Voltage at Load390.1 VLine Loss: 547.8 W

Max Power & Breaker22.17 kW32A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 50m

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	39.54 V (9.88%)	360.5 V	65.22 V (16.3%)	2191.4 W	Drop High
2.5 mm²	24 A	18 A	23.72 V (5.93%)	376.3 V	39.13 V (9.78%)	1314.8 W	Drop High
4 mm²	32 A	25 A	14.83 V (3.71%)	385.2 V	24.46 V (6.11%)	821.8 W	~ ≤5%
6 mm²	41 A	32 A	9.88 V (2.47%)	390.1 V	16.3 V (4.08%)	547.8 W	✓ OK (≤3%)
10 mm²	57 A	44 A	5.93 V (1.48%)	394.1 V	9.78 V (2.45%)	328.7 W	✓ OK (≤3%)
16 mm²	76 A	59 A	3.71 V (0.93%)	396.3 V	6.11 V (1.53%)	205.4 W	✓ OK (≤3%)
25 mm²	101 A	78 A	2.37 V (0.59%)	397.6 V	3.91 V (0.98%)	131.5 W	✓ OK (≤3%)
35 mm²	125 A	97 A	1.69 V (0.42%)	398.3 V	2.8 V (0.7%)	93.9 W	✓ OK (≤3%)
50 mm²	151 A	118 A	1.19 V (0.3%)	398.8 V	1.96 V (0.49%)	65.7 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.85 V (0.21%)	399.2 V	1.4 V (0.35%)	47.0 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.62 V (0.16%)	399.4 V	1.03 V (0.26%)	34.6 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.49 V (0.12%)	399.5 V	0.82 V (0.2%)	27.4 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.4 V (0.1%)	399.6 V	0.65 V (0.16%)	21.9 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.32 V (0.08%)	399.7 V	0.53 V (0.13%)	17.8 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.25 V (0.06%)	399.8 V	0.41 V (0.1%)	13.7 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.2 V (0.05%)	399.8 V	0.33 V (0.08%)	11.0 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.15 V (0.04%)	399.9 V	0.24 V (0.06%)	8.2 W	✓ OK (≤3%)

Til 32 Ampere over 50 meter ved 400V anbefales 6 mm² kobberkabel (spændingsfald 9.88V / 2.47%).

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