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

Kabeltværsnit for 300 Ampere ved 5 Meter (400V)

Beregning af kabeltværsnit (mm²), spændingsfald og sikringsstørrelse efter dansk standard DS/HD 60364 for 300 A over 5 m ved 400V.

Copper Cable (≤3% Drop)150 mm²Drop: 0.37V (0.09%)

Aluminum Cable (≤3% Drop)240 mm²Drop: 0.38V (0.1%)

Voltage at Load399.6 VLine Loss: 192.6 W

Max Power & Breaker207.85 kW300A MCB/MCCB

IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 300A at 5m

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	37.07 V (9.27%)	362.9 V	61.14 V (15.29%)	19260.0 W	Drop High
2.5 mm²	24 A	18 A	22.24 V (5.56%)	377.8 V	36.68 V (9.17%)	11556.0 W	Drop High
4 mm²	32 A	25 A	13.9 V (3.47%)	386.1 V	22.93 V (5.73%)	7222.5 W	Drop High
6 mm²	41 A	32 A	9.27 V (2.32%)	390.7 V	15.29 V (3.82%)	4815.0 W	Drop High
10 mm²	57 A	44 A	5.56 V (1.39%)	394.4 V	9.17 V (2.29%)	2889.0 W	Drop High
16 mm²	76 A	59 A	3.47 V (0.87%)	396.5 V	5.73 V (1.43%)	1805.6 W	Drop High
25 mm²	101 A	78 A	2.22 V (0.56%)	397.8 V	3.67 V (0.92%)	1155.6 W	Drop High
35 mm²	125 A	97 A	1.59 V (0.4%)	398.4 V	2.62 V (0.66%)	825.4 W	Drop High
50 mm²	151 A	118 A	1.11 V (0.28%)	398.9 V	1.83 V (0.46%)	577.8 W	Drop High
70 mm²	192 A	150 A	0.79 V (0.2%)	399.2 V	1.31 V (0.33%)	412.7 W	Drop High
95 mm²	232 A	181 A	0.59 V (0.15%)	399.4 V	0.97 V (0.24%)	304.1 W	Drop High
120 mm²	269 A	210 A	0.46 V (0.12%)	399.5 V	0.76 V (0.19%)	240.8 W	Drop High
150 mm²	309 A	241 A	0.37 V (0.09%)	399.6 V	0.61 V (0.15%)	192.6 W	✓ OK (≤3%)
185 mm²	353 A	275 A	0.3 V (0.08%)	399.7 V	0.5 V (0.12%)	156.2 W	✓ OK (≤3%)
240 mm²	415 A	324 A	0.23 V (0.06%)	399.8 V	0.38 V (0.1%)	120.4 W	✓ OK (≤3%)
300 mm²	477 A	372 A	0.19 V (0.05%)	399.8 V	0.31 V (0.08%)	96.3 W	✓ OK (≤3%)
400 mm²	570 A	445 A	0.14 V (0.03%)	399.9 V	0.23 V (0.06%)	72.2 W	✓ OK (≤3%)

Til 300 Ampere over 5 meter ved 400V anbefales 150 mm² kobberkabel (spændingsfald 0.37V / 0.09%).

Det svarer til 207.85 kW med en anbefalet sikring på 300A.