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

Kabeltværsnit for 32 Ampere ved 15 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 32 A over 15 m ved 400V.

Copper Cable (≤3% Drop)4 mm²Drop: 4.45V (1.11%)

Aluminum Cable (≤3% Drop)6 mm²Drop: 4.89V (1.22%)

Voltage at Load395.6 VLine Loss: 246.5 W

Max Power & Breaker22.17 kW32A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 32A at 15m

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	11.86 V (2.97%)	388.1 V	19.57 V (4.89%)	657.4 W	Drop High
2.5 mm²	24 A	18 A	7.12 V (1.78%)	392.9 V	11.74 V (2.93%)	394.4 W	Drop High
4 mm²	32 A	25 A	4.45 V (1.11%)	395.6 V	7.34 V (1.83%)	246.5 W	✓ OK (≤3%)
6 mm²	41 A	32 A	2.97 V (0.74%)	397.0 V	4.89 V (1.22%)	164.4 W	✓ OK (≤3%)
10 mm²	57 A	44 A	1.78 V (0.44%)	398.2 V	2.93 V (0.73%)	98.6 W	✓ OK (≤3%)
16 mm²	76 A	59 A	1.11 V (0.28%)	398.9 V	1.83 V (0.46%)	61.6 W	✓ OK (≤3%)
25 mm²	101 A	78 A	0.71 V (0.18%)	399.3 V	1.17 V (0.29%)	39.4 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.51 V (0.13%)	399.5 V	0.84 V (0.21%)	28.2 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.36 V (0.09%)	399.6 V	0.59 V (0.15%)	19.7 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.25 V (0.06%)	399.7 V	0.42 V (0.1%)	14.1 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.19 V (0.05%)	399.8 V	0.31 V (0.08%)	10.4 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.15 V (0.04%)	399.9 V	0.24 V (0.06%)	8.2 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.12 V (0.03%)	399.9 V	0.2 V (0.05%)	6.6 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.1 V (0.02%)	399.9 V	0.16 V (0.04%)	5.3 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.07 V (0.02%)	399.9 V	0.12 V (0.03%)	4.1 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.06 V (0.01%)	399.9 V	0.1 V (0.02%)	3.3 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.04 V (0.01%)	400.0 V	0.07 V (0.02%)	2.5 W	✓ OK (≤3%)

Til 32 Ampere over 15 meter ved 400V anbefales 4 mm² kobberkabel (spændingsfald 4.45V / 1.11%).

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