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

Kabeltværsnit for 40 Ampere ved 10 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 40 A over 10 m ved 400V.

Copper Cable (≤3% Drop)6 mm²Drop: 2.47V (0.62%)

Aluminum Cable (≤3% Drop)10 mm²Drop: 2.45V (0.61%)

Voltage at Load397.5 VLine Loss: 171.2 W

Max Power & Breaker27.71 kW40A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 40A at 10m

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	9.88 V (2.47%)	390.1 V	16.3 V (4.08%)	684.8 W	Drop High
2.5 mm²	24 A	18 A	5.93 V (1.48%)	394.1 V	9.78 V (2.45%)	410.9 W	Drop High
4 mm²	32 A	25 A	3.71 V (0.93%)	396.3 V	6.11 V (1.53%)	256.8 W	Drop High
6 mm²	41 A	32 A	2.47 V (0.62%)	397.5 V	4.08 V (1.02%)	171.2 W	✓ OK (≤3%)
10 mm²	57 A	44 A	1.48 V (0.37%)	398.5 V	2.45 V (0.61%)	102.7 W	✓ OK (≤3%)
16 mm²	76 A	59 A	0.93 V (0.23%)	399.1 V	1.53 V (0.38%)	64.2 W	✓ OK (≤3%)
25 mm²	101 A	78 A	0.59 V (0.15%)	399.4 V	0.98 V (0.24%)	41.1 W	✓ OK (≤3%)
35 mm²	125 A	97 A	0.42 V (0.11%)	399.6 V	0.7 V (0.17%)	29.3 W	✓ OK (≤3%)
50 mm²	151 A	118 A	0.3 V (0.07%)	399.7 V	0.49 V (0.12%)	20.5 W	✓ OK (≤3%)
70 mm²	192 A	150 A	0.21 V (0.05%)	399.8 V	0.35 V (0.09%)	14.7 W	✓ OK (≤3%)
95 mm²	232 A	181 A	0.16 V (0.04%)	399.8 V	0.26 V (0.06%)	10.8 W	✓ OK (≤3%)
120 mm²	269 A	210 A	0.12 V (0.03%)	399.9 V	0.2 V (0.05%)	8.6 W	✓ OK (≤3%)
150 mm²	309 A	241 A	0.1 V (0.02%)	399.9 V	0.16 V (0.04%)	6.8 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.08 V (0.02%)	399.9 V	0.13 V (0.03%)	5.6 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.06 V (0.02%)	399.9 V	0.1 V (0.03%)	4.3 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.05 V (0.01%)	400.0 V	0.08 V (0.02%)	3.4 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.04 V (0.01%)	400.0 V	0.06 V (0.02%)	2.6 W	✓ OK (≤3%)

Til 40 Ampere over 10 meter ved 400V anbefales 6 mm² kobberkabel (spændingsfald 2.47V / 0.62%).

Det svarer til 27.71 kW med en anbefalet sikring på 40A.